*/
#include "PG.h"
-// #include "msg/Messenger.h"
#include "messages/MOSDRepScrub.h"
-// #include "common/cmdparse.h"
-// #include "common/ceph_context.h"
#include "common/errno.h"
+#include "common/ceph_releases.h"
#include "common/config.h"
#include "OSD.h"
#include "OpRequest.h"
-#include "ScrubStore.h"
+#include "osd/scrubber/ScrubStore.h"
+#include "osd/scrubber/pg_scrubber.h"
+#include "osd/scheduler/OpSchedulerItem.h"
#include "Session.h"
#include "common/Timer.h"
#include "common/perf_counters.h"
#include "messages/MOSDOp.h"
-#include "messages/MOSDPGNotify.h"
-// #include "messages/MOSDPGLog.h"
-#include "messages/MOSDPGRemove.h"
-#include "messages/MOSDPGInfo.h"
-#include "messages/MOSDPGTrim.h"
#include "messages/MOSDPGScan.h"
#include "messages/MOSDPGBackfill.h"
#include "messages/MOSDPGBackfillRemove.h"
#include "messages/MOSDPGUpdateLogMissingReply.h"
#include "messages/MOSDBackoff.h"
#include "messages/MOSDScrubReserve.h"
-#include "messages/MOSDSubOp.h"
#include "messages/MOSDRepOp.h"
-#include "messages/MOSDSubOpReply.h"
#include "messages/MOSDRepOpReply.h"
#include "messages/MOSDRepScrubMap.h"
#include "messages/MOSDPGRecoveryDelete.h"
#undef dout_prefix
#define dout_prefix _prefix(_dout, this)
-// prefix pgmeta_oid keys with _ so that PGLog::read_log_and_missing() can
-// easily skip them
-const string infover_key("_infover");
-const string info_key("_info");
-const string biginfo_key("_biginfo");
-const string epoch_key("_epoch");
-const string fastinfo_key("_fastinfo");
+using std::list;
+using std::map;
+using std::ostringstream;
+using std::pair;
+using std::set;
+using std::string;
+using std::stringstream;
+using std::unique_ptr;
+using std::vector;
-template <class T>
-static ostream& _prefix(std::ostream *_dout, T *t)
-{
- return *_dout << t->gen_prefix();
-}
+using ceph::bufferlist;
+using ceph::bufferptr;
+using ceph::decode;
+using ceph::encode;
+using ceph::Formatter;
-MEMPOOL_DEFINE_OBJECT_FACTORY(PG::CephPeeringEvt, pg_peering_evt, osd);
+using namespace ceph::osd::scheduler;
-void PGStateHistory::enter(PG* pg, const utime_t entime, const char* state)
+template <class T>
+static ostream& _prefix(std::ostream *_dout, T *t)
{
- // Ignore trimming state machine for now
- if (::strstr(state, "Trimming") != NULL) {
- return;
- } else if (pi != nullptr) {
- pi->enter_state(entime, state);
- } else {
- // Store current state since we can't reliably take the PG lock here
- if ( tmppi == nullptr) {
- tmppi = std::unique_ptr<PGStateInstance>(new PGStateInstance);
- }
-
- thispg = pg;
- tmppi->enter_state(entime, state);
- }
-}
-
-void PGStateHistory::exit(const char* state) {
- // Ignore trimming state machine for now
- // Do nothing if PG is being destroyed!
- if (::strstr(state, "Trimming") != NULL || pg_in_destructor) {
- return;
- } else {
- bool ilocked = false;
- if(!thispg->is_locked()) {
- thispg->lock();
- ilocked = true;
- }
- if (pi == nullptr) {
- buffer.push_back(std::unique_ptr<PGStateInstance>(tmppi.release()));
- pi = buffer.back().get();
- pi->setepoch(thispg->get_osdmap()->get_epoch());
- }
-
- pi->exit_state(ceph_clock_now());
- if (::strcmp(state, "Reset") == 0) {
- this->reset();
- }
- if(ilocked) {
- thispg->unlock();
- }
- }
-}
-
-void PGStateHistory::dump(Formatter* f) const {
- f->open_array_section("history");
- for (auto pi = buffer.begin(); pi != buffer.end(); ++pi) {
- f->open_object_section("states");
- f->dump_stream("epoch") << (*pi)->this_epoch;
- for (auto she : (*pi)->state_history) {
- f->dump_string("state", std::get<2>(she));
- f->dump_stream("enter") << std::get<0>(she);
- f->dump_stream("exit") << std::get<1>(she);
- }
- f->close_section();
- }
- f->close_section();
+ return t->gen_prefix(*_dout);
}
void PG::get(const char* tag)
{
- ref++;
+ int after = ++ref;
+ lgeneric_subdout(cct, refs, 5) << "PG::get " << this << " "
+ << "tag " << (tag ? tag : "(none") << " "
+ << (after - 1) << " -> " << after << dendl;
#ifdef PG_DEBUG_REFS
- Mutex::Locker l(_ref_id_lock);
+ std::lock_guard l(_ref_id_lock);
_tag_counts[tag]++;
#endif
}
{
#ifdef PG_DEBUG_REFS
{
- Mutex::Locker l(_ref_id_lock);
+ std::lock_guard l(_ref_id_lock);
auto tag_counts_entry = _tag_counts.find(tag);
- assert(tag_counts_entry != _tag_counts.end());
+ ceph_assert(tag_counts_entry != _tag_counts.end());
--tag_counts_entry->second;
if (tag_counts_entry->second == 0) {
_tag_counts.erase(tag_counts_entry);
}
}
#endif
- if (--ref== 0)
+ auto local_cct = cct;
+ int after = --ref;
+ lgeneric_subdout(local_cct, refs, 5) << "PG::put " << this << " "
+ << "tag " << (tag ? tag : "(none") << " "
+ << (after + 1) << " -> " << after
+ << dendl;
+ if (after == 0)
delete this;
}
uint64_t PG::get_with_id()
{
ref++;
- Mutex::Locker l(_ref_id_lock);
+ std::lock_guard l(_ref_id_lock);
uint64_t id = ++_ref_id;
- BackTrace bt(0);
+ ClibBackTrace bt(0);
stringstream ss;
bt.print(ss);
- dout(20) << __func__ << ": " << info.pgid << " got id " << id << " (new) ref==" << ref << dendl;
- assert(!_live_ids.count(id));
+ lgeneric_subdout(cct, refs, 5) << "PG::get " << this << " " << info.pgid
+ << " got id " << id << " "
+ << (ref - 1) << " -> " << ref
+ << dendl;
+ ceph_assert(!_live_ids.count(id));
_live_ids.insert(make_pair(id, ss.str()));
return id;
}
void PG::put_with_id(uint64_t id)
{
- dout(20) << __func__ << ": " << info.pgid << " put id " << id << " (current) ref==" << ref << dendl;
+ int newref = --ref;
+ lgeneric_subdout(cct, refs, 5) << "PG::put " << this << " " << info.pgid
+ << " put id " << id << " "
+ << (newref + 1) << " -> " << newref
+ << dendl;
{
- Mutex::Locker l(_ref_id_lock);
- assert(_live_ids.count(id));
+ std::lock_guard l(_ref_id_lock);
+ ceph_assert(_live_ids.count(id));
_live_ids.erase(id);
}
- if (--ref == 0)
+ if (newref)
delete this;
}
void PG::dump_live_ids()
{
- Mutex::Locker l(_ref_id_lock);
+ std::lock_guard l(_ref_id_lock);
dout(0) << "\t" << __func__ << ": " << info.pgid << " live ids:" << dendl;
for (map<uint64_t, string>::iterator i = _live_ids.begin();
i != _live_ids.end();
}
#endif
-
-void PGPool::update(OSDMapRef map)
-{
- const pg_pool_t *pi = map->get_pg_pool(id);
- assert(pi);
- info = *pi;
- auid = pi->auid;
- name = map->get_pool_name(id);
- bool updated = false;
- if ((map->get_epoch() != cached_epoch + 1) ||
- (pi->get_snap_epoch() == map->get_epoch())) {
- updated = true;
- if (pi->maybe_updated_removed_snaps(cached_removed_snaps)) {
- pi->build_removed_snaps(newly_removed_snaps);
- if (cached_removed_snaps.subset_of(newly_removed_snaps)) {
- interval_set<snapid_t> removed_snaps = newly_removed_snaps;
- newly_removed_snaps.subtract(cached_removed_snaps);
- cached_removed_snaps.swap(removed_snaps);
- } else {
- lgeneric_subdout(cct, osd, 0) << __func__
- << " cached_removed_snaps shrank from " << cached_removed_snaps
- << " to " << newly_removed_snaps << dendl;
- cached_removed_snaps.swap(newly_removed_snaps);
- newly_removed_snaps.clear();
- }
- } else
- newly_removed_snaps.clear();
- snapc = pi->get_snap_context();
- } else {
- /* 1) map->get_epoch() == cached_epoch + 1 &&
- * 2) pi->get_snap_epoch() != map->get_epoch()
- *
- * From the if branch, 1 && 2 must be true. From 2, we know that
- * this map didn't change the set of removed snaps. From 1, we
- * know that our cached_removed_snaps matches the previous map.
- * Thus, from 1 && 2, cached_removed snaps matches the current
- * set of removed snaps and all we have to do is clear
- * newly_removed_snaps.
- */
- newly_removed_snaps.clear();
- }
- cached_epoch = map->get_epoch();
- lgeneric_subdout(cct, osd, 20)
- << "PGPool::update cached_removed_snaps "
- << cached_removed_snaps
- << " newly_removed_snaps "
- << newly_removed_snaps
- << " snapc " << snapc
- << (updated ? " (updated)":" (no change)")
- << dendl;
-}
-
PG::PG(OSDService *o, OSDMapRef curmap,
const PGPool &_pool, spg_t p) :
+ pg_whoami(o->whoami, p.shard),
+ pg_id(p),
+ coll(p),
osd(o),
cct(o->cct),
osdriver(osd->store, coll_t(), OSD::make_snapmapper_oid()),
cct,
&osdriver,
p.ps(),
- p.get_split_bits(curmap->get_pg_num(_pool.id)),
+ p.get_split_bits(_pool.info.get_pg_num()),
_pool.id,
p.shard),
- osdmap_ref(curmap), last_persisted_osdmap_ref(curmap), pool(_pool),
- _lock("PG::_lock"),
- #ifdef PG_DEBUG_REFS
- _ref_id_lock("PG::_ref_id_lock"), _ref_id(0),
- #endif
- deleting(false),
trace_endpoint("0.0.0.0", 0, "PG"),
- dirty_info(false), dirty_big_info(false),
- info(p),
info_struct_v(0),
- coll(p),
- pg_log(cct),
pgmeta_oid(p.make_pgmeta_oid()),
- missing_loc(this),
- past_intervals(
- curmap->get_pools().at(p.pgid.pool()).ec_pool(),
- *curmap),
stat_queue_item(this),
- scrub_queued(false),
recovery_queued(false),
recovery_ops_active(0),
- role(-1),
- state(0),
- send_notify(false),
- pg_whoami(osd->whoami, p.shard),
- need_up_thru(false),
- last_peering_reset(0),
- heartbeat_peer_lock("PG::heartbeat_peer_lock"),
- backfill_reserved(false),
backfill_reserving(false),
- flushes_in_progress(0),
- pg_stats_publish_lock("PG::pg_stats_publish_lock"),
- pg_stats_publish_valid(false),
- osr(osd->osr_registry.lookup_or_create(p, (stringify(p)))),
finish_sync_event(NULL),
- backoff_lock("PG::backoff_lock"),
scrub_after_recovery(false),
active_pushes(0),
- recovery_state(this),
- pg_id(p),
- peer_features(CEPH_FEATURES_SUPPORTED_DEFAULT),
- acting_features(CEPH_FEATURES_SUPPORTED_DEFAULT),
- upacting_features(CEPH_FEATURES_SUPPORTED_DEFAULT),
- last_epoch(0)
+ recovery_state(
+ o->cct,
+ pg_whoami,
+ p,
+ _pool,
+ curmap,
+ this,
+ this),
+ pool(recovery_state.get_pool()),
+ info(recovery_state.get_info())
{
#ifdef PG_DEBUG_REFS
osd->add_pgid(p, this);
ss << "PG " << info.pgid;
trace_endpoint.copy_name(ss.str());
#endif
- osr->shard_hint = p;
}
PG::~PG()
{
- pgstate_history.set_pg_in_destructor();
#ifdef PG_DEBUG_REFS
osd->remove_pgid(info.pgid, this);
#endif
}
-void PG::lock_suspend_timeout(ThreadPool::TPHandle &handle)
-{
- handle.suspend_tp_timeout();
- lock();
- handle.reset_tp_timeout();
-}
-
void PG::lock(bool no_lockdep) const
{
- _lock.Lock(no_lockdep);
+#ifdef CEPH_DEBUG_MUTEX
+ _lock.lock(no_lockdep);
+#else
+ _lock.lock();
+ locked_by = std::this_thread::get_id();
+#endif
// if we have unrecorded dirty state with the lock dropped, there is a bug
- assert(!dirty_info);
- assert(!dirty_big_info);
+ ceph_assert(!recovery_state.debug_has_dirty_state());
dout(30) << "lock" << dendl;
}
-std::string PG::gen_prefix() const
+bool PG::is_locked() const
+{
+ return ceph_mutex_is_locked(_lock);
+}
+
+void PG::unlock() const
{
- stringstream out;
- OSDMapRef mapref = osdmap_ref;
+ //generic_dout(0) << this << " " << info.pgid << " unlock" << dendl;
+ ceph_assert(!recovery_state.debug_has_dirty_state());
+#ifndef CEPH_DEBUG_MUTEX
+ locked_by = {};
+#endif
+ _lock.unlock();
+}
+
+std::ostream& PG::gen_prefix(std::ostream& out) const
+{
+ OSDMapRef mapref = recovery_state.get_osdmap();
+#ifdef CEPH_DEBUG_MUTEX
if (_lock.is_locked_by_me()) {
+#else
+ if (locked_by == std::this_thread::get_id()) {
+#endif
out << "osd." << osd->whoami
<< " pg_epoch: " << (mapref ? mapref->get_epoch():0)
<< " " << *this << " ";
} else {
out << "osd." << osd->whoami
<< " pg_epoch: " << (mapref ? mapref->get_epoch():0)
- << " pg[" << info.pgid << "(unlocked)] ";
+ << " pg[" << pg_id.pgid << "(unlocked)] ";
}
- return out.str();
+ return out;
}
-
-/********* PG **********/
-void PG::proc_master_log(
- ObjectStore::Transaction& t, pg_info_t &oinfo,
- pg_log_t &olog, pg_missing_t& omissing, pg_shard_t from)
-{
- dout(10) << "proc_master_log for osd." << from << ": "
- << olog << " " << omissing << dendl;
- assert(!is_peered() && is_primary());
-
- // merge log into our own log to build master log. no need to
- // make any adjustments to their missing map; we are taking their
- // log to be authoritative (i.e., their entries are by definitely
- // non-divergent).
- merge_log(t, oinfo, olog, from);
- peer_info[from] = oinfo;
- dout(10) << " peer osd." << from << " now " << oinfo << " " << omissing << dendl;
- might_have_unfound.insert(from);
-
- // See doc/dev/osd_internals/last_epoch_started
- if (oinfo.last_epoch_started > info.last_epoch_started) {
- info.last_epoch_started = oinfo.last_epoch_started;
- dirty_info = true;
- }
- if (oinfo.last_interval_started > info.last_interval_started) {
- info.last_interval_started = oinfo.last_interval_started;
- dirty_info = true;
- }
- update_history(oinfo.history);
- assert(cct->_conf->osd_find_best_info_ignore_history_les ||
- info.last_epoch_started >= info.history.last_epoch_started);
-
- peer_missing[from].claim(omissing);
-}
-
-void PG::proc_replica_log(
- pg_info_t &oinfo,
- const pg_log_t &olog,
- pg_missing_t& omissing,
- pg_shard_t from)
-{
- dout(10) << "proc_replica_log for osd." << from << ": "
- << oinfo << " " << olog << " " << omissing << dendl;
-
- pg_log.proc_replica_log(oinfo, olog, omissing, from);
-
- peer_info[from] = oinfo;
- dout(10) << " peer osd." << from << " now " << oinfo << " " << omissing << dendl;
- might_have_unfound.insert(from);
-
- for (map<hobject_t, pg_missing_item>::const_iterator i =
- omissing.get_items().begin();
- i != omissing.get_items().end();
- ++i) {
- dout(20) << " after missing " << i->first << " need " << i->second.need
- << " have " << i->second.have << dendl;
- }
- peer_missing[from].claim(omissing);
+PerfCounters &PG::get_peering_perf() {
+ return *(osd->recoverystate_perf);
}
-bool PG::proc_replica_info(
- pg_shard_t from, const pg_info_t &oinfo, epoch_t send_epoch)
-{
- map<pg_shard_t, pg_info_t>::iterator p = peer_info.find(from);
- if (p != peer_info.end() && p->second.last_update == oinfo.last_update) {
- dout(10) << " got dup osd." << from << " info " << oinfo << ", identical to ours" << dendl;
- return false;
- }
-
- if (!get_osdmap()->has_been_up_since(from.osd, send_epoch)) {
- dout(10) << " got info " << oinfo << " from down osd." << from
- << " discarding" << dendl;
- return false;
- }
-
- dout(10) << " got osd." << from << " " << oinfo << dendl;
- assert(is_primary());
- peer_info[from] = oinfo;
- might_have_unfound.insert(from);
-
- update_history(oinfo.history);
-
- // stray?
- if (!is_up(from) && !is_acting(from)) {
- dout(10) << " osd." << from << " has stray content: " << oinfo << dendl;
- stray_set.insert(from);
- if (is_clean()) {
- purge_strays();
- }
- }
+PerfCounters &PG::get_perf_logger() {
+ return *(osd->logger);
+}
- // was this a new info? if so, update peers!
- if (p == peer_info.end())
- update_heartbeat_peers();
+void PG::log_state_enter(const char *state) {
+ osd->pg_recovery_stats.log_enter(state);
+}
- return true;
+void PG::log_state_exit(
+ const char *state_name, utime_t enter_time,
+ uint64_t events, utime_t event_dur) {
+ osd->pg_recovery_stats.log_exit(
+ state_name, ceph_clock_now() - enter_time, events, event_dur);
}
+/********* PG **********/
+
void PG::remove_snap_mapped_object(
ObjectStore::Transaction &t, const hobject_t &soid)
{
ObjectStore::Transaction *t, const hobject_t &soid, const set<snapid_t> &snaps)
{
OSDriver::OSTransaction _t(osdriver.get_transaction(t));
- assert(soid.snap < CEPH_MAXSNAP);
+ ceph_assert(soid.snap < CEPH_MAXSNAP);
int r = snap_mapper.remove_oid(
soid,
&_t);
&_t);
}
-void PG::merge_log(
- ObjectStore::Transaction& t, pg_info_t &oinfo, pg_log_t &olog, pg_shard_t from)
-{
- PGLogEntryHandler rollbacker{this, &t};
- pg_log.merge_log(
- oinfo, olog, from, info, &rollbacker, dirty_info, dirty_big_info);
-}
-
-void PG::rewind_divergent_log(ObjectStore::Transaction& t, eversion_t newhead)
-{
- PGLogEntryHandler rollbacker{this, &t};
- pg_log.rewind_divergent_log(
- newhead, info, &rollbacker, dirty_info, dirty_big_info);
-}
-
-/*
- * Process information from a replica to determine if it could have any
- * objects that i need.
- *
- * TODO: if the missing set becomes very large, this could get expensive.
- * Instead, we probably want to just iterate over our unfound set.
- */
-bool PG::search_for_missing(
- const pg_info_t &oinfo, const pg_missing_t &omissing,
- pg_shard_t from,
- RecoveryCtx *ctx)
+/******* PG ***********/
+void PG::clear_primary_state()
{
- uint64_t num_unfound_before = missing_loc.num_unfound();
- bool found_missing = missing_loc.add_source_info(
- from, oinfo, omissing, ctx->handle);
- if (found_missing && num_unfound_before != missing_loc.num_unfound())
- publish_stats_to_osd();
- // avoid doing this if the peer is empty. This is abit of paranoia
- // to avoid doing something rash if add_source_info() above
- // incorrectly decided we found something new. (if the peer has
- // last_update=0'0 that's impossible.)
- if (found_missing &&
- (get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD, NULL) &
- CEPH_FEATURE_OSD_ERASURE_CODES) &&
- oinfo.last_update != eversion_t()) {
- pg_info_t tinfo(oinfo);
- tinfo.pgid.shard = pg_whoami.shard;
- (*(ctx->info_map))[from.osd].push_back(
- make_pair(
- pg_notify_t(
- from.shard, pg_whoami.shard,
- get_osdmap()->get_epoch(),
- get_osdmap()->get_epoch(),
- tinfo),
- past_intervals));
- }
- return found_missing;
-}
+ dout(20) << __func__ << dendl;
+ projected_log = PGLog::IndexedLog();
-// MissingLoc
+ snap_trimq.clear();
+ snap_trimq_repeat.clear();
+ finish_sync_event = 0; // so that _finish_recovery doesn't go off in another thread
+ release_pg_backoffs();
-bool PG::MissingLoc::readable_with_acting(
- const hobject_t &hoid,
- const set<pg_shard_t> &acting) const {
- if (!needs_recovery(hoid))
- return true;
- if (is_deleted(hoid))
- return false;
- auto missing_loc_entry = missing_loc.find(hoid);
- if (missing_loc_entry == missing_loc.end())
- return false;
- const set<pg_shard_t> &locs = missing_loc_entry->second;
- ldout(pg->cct, 10) << __func__ << ": locs:" << locs << dendl;
- set<pg_shard_t> have_acting;
- for (set<pg_shard_t>::const_iterator i = locs.begin();
- i != locs.end();
- ++i) {
- if (acting.count(*i))
- have_acting.insert(*i);
+ if (m_scrubber) {
+ m_scrubber->discard_replica_reservations();
}
- return (*is_readable)(have_acting);
-}
-
-void PG::MissingLoc::add_batch_sources_info(
- const set<pg_shard_t> &sources, ThreadPool::TPHandle* handle)
-{
- ldout(pg->cct, 10) << __func__ << ": adding sources in batch "
- << sources.size() << dendl;
- unsigned loop = 0;
- for (map<hobject_t, pg_missing_item>::const_iterator i = needs_recovery_map.begin();
- i != needs_recovery_map.end();
- ++i) {
- if (handle && ++loop >= pg->cct->_conf->osd_loop_before_reset_tphandle) {
- handle->reset_tp_timeout();
- loop = 0;
- }
- if (i->second.is_delete())
- continue;
-
- auto p = missing_loc.find(i->first);
- if (p == missing_loc.end()) {
- p = missing_loc.emplace(i->first, set<pg_shard_t>()).first;
- } else {
- _dec_count(p->second);
- }
- missing_loc[i->first].insert(sources.begin(), sources.end());
- missing_loc_sources.insert(sources.begin(), sources.end());
- _inc_count(p->second);
+ scrub_after_recovery = false;
- }
+ agent_clear();
}
-bool PG::MissingLoc::add_source_info(
- pg_shard_t fromosd,
- const pg_info_t &oinfo,
- const pg_missing_t &omissing,
- ThreadPool::TPHandle* handle)
+
+bool PG::op_has_sufficient_caps(OpRequestRef& op)
{
- bool found_missing = false;
- unsigned loop = 0;
- // found items?
- for (map<hobject_t,pg_missing_item>::const_iterator p = needs_recovery_map.begin();
- p != needs_recovery_map.end();
- ++p) {
- const hobject_t &soid(p->first);
- eversion_t need = p->second.need;
- if (handle && ++loop >= pg->cct->_conf->osd_loop_before_reset_tphandle) {
- handle->reset_tp_timeout();
- loop = 0;
- }
- if (p->second.is_delete()) {
- ldout(pg->cct, 10) << __func__ << " " << soid
- << " delete, ignoring source" << dendl;
- continue;
- }
- if (oinfo.last_update < need) {
- ldout(pg->cct, 10) << "search_for_missing " << soid << " " << need
- << " also missing on osd." << fromosd
- << " (last_update " << oinfo.last_update
- << " < needed " << need << ")" << dendl;
- continue;
- }
- if (!oinfo.last_backfill.is_max() &&
- !oinfo.last_backfill_bitwise) {
- ldout(pg->cct, 10) << "search_for_missing " << soid << " " << need
- << " also missing on osd." << fromosd
- << " (last_backfill " << oinfo.last_backfill
- << " but with wrong sort order)"
- << dendl;
- continue;
- }
- if (p->first >= oinfo.last_backfill) {
- // FIXME: this is _probably_ true, although it could conceivably
- // be in the undefined region! Hmm!
- ldout(pg->cct, 10) << "search_for_missing " << soid << " " << need
- << " also missing on osd." << fromosd
- << " (past last_backfill " << oinfo.last_backfill
- << ")" << dendl;
- continue;
- }
- if (oinfo.last_complete < need) {
- if (omissing.is_missing(soid)) {
- ldout(pg->cct, 10) << "search_for_missing " << soid << " " << need
- << " also missing on osd." << fromosd << dendl;
- continue;
- }
- }
+ // only check MOSDOp
+ if (op->get_req()->get_type() != CEPH_MSG_OSD_OP)
+ return true;
- ldout(pg->cct, 10) << "search_for_missing " << soid << " " << need
- << " is on osd." << fromosd << dendl;
+ auto req = op->get_req<MOSDOp>();
+ auto priv = req->get_connection()->get_priv();
+ auto session = static_cast<Session*>(priv.get());
+ if (!session) {
+ dout(0) << "op_has_sufficient_caps: no session for op " << *req << dendl;
+ return false;
+ }
+ OSDCap& caps = session->caps;
+ priv.reset();
- missing_loc_sources.insert(fromosd);
- {
- auto p = missing_loc.find(soid);
- if (p == missing_loc.end()) {
- p = missing_loc.emplace(soid, set<pg_shard_t>()).first;
- } else {
- _dec_count(p->second);
- }
- p->second.insert(fromosd);
- _inc_count(p->second);
- }
+ const string &key = req->get_hobj().get_key().empty() ?
+ req->get_oid().name :
+ req->get_hobj().get_key();
- found_missing = true;
- }
+ bool cap = caps.is_capable(pool.name, req->get_hobj().nspace,
+ pool.info.application_metadata,
+ key,
+ op->need_read_cap(),
+ op->need_write_cap(),
+ op->classes(),
+ session->get_peer_socket_addr());
- ldout(pg->cct, 20) << "needs_recovery_map missing " << needs_recovery_map
- << dendl;
- return found_missing;
+ dout(20) << "op_has_sufficient_caps "
+ << "session=" << session
+ << " pool=" << pool.id << " (" << pool.name
+ << " " << req->get_hobj().nspace
+ << ")"
+ << " pool_app_metadata=" << pool.info.application_metadata
+ << " need_read_cap=" << op->need_read_cap()
+ << " need_write_cap=" << op->need_write_cap()
+ << " classes=" << op->classes()
+ << " -> " << (cap ? "yes" : "NO")
+ << dendl;
+ return cap;
}
-void PG::MissingLoc::check_recovery_sources(const OSDMapRef& osdmap)
+void PG::queue_recovery()
{
- set<pg_shard_t> now_down;
- for (set<pg_shard_t>::iterator p = missing_loc_sources.begin();
- p != missing_loc_sources.end();
- ) {
- if (osdmap->is_up(p->osd)) {
- ++p;
- continue;
- }
- ldout(pg->cct, 10) << __func__ << " source osd." << *p << " now down" << dendl;
- now_down.insert(*p);
- missing_loc_sources.erase(p++);
- }
-
- if (now_down.empty()) {
- ldout(pg->cct, 10) << __func__ << " no source osds (" << missing_loc_sources << ") went down" << dendl;
+ if (!is_primary() || !is_peered()) {
+ dout(10) << "queue_recovery -- not primary or not peered " << dendl;
+ ceph_assert(!recovery_queued);
+ } else if (recovery_queued) {
+ dout(10) << "queue_recovery -- already queued" << dendl;
} else {
- ldout(pg->cct, 10) << __func__ << " sources osds " << now_down << " now down, remaining sources are "
- << missing_loc_sources << dendl;
-
- // filter missing_loc
- map<hobject_t, set<pg_shard_t>>::iterator p = missing_loc.begin();
- while (p != missing_loc.end()) {
- set<pg_shard_t>::iterator q = p->second.begin();
- bool changed = false;
- while (q != p->second.end()) {
- if (now_down.count(*q)) {
- if (!changed) {
- changed = true;
- _dec_count(p->second);
- }
- p->second.erase(q++);
- } else {
- ++q;
- }
- }
- if (p->second.empty()) {
- missing_loc.erase(p++);
- } else {
- if (changed) {
- _inc_count(p->second);
- }
- ++p;
- }
- }
+ dout(10) << "queue_recovery -- queuing" << dendl;
+ recovery_queued = true;
+ osd->queue_for_recovery(this);
}
}
-
-void PG::discover_all_missing(map<int, map<spg_t,pg_query_t> > &query_map)
-{
- auto &missing = pg_log.get_missing();
- uint64_t unfound = get_num_unfound();
- dout(10) << __func__ << " "
- << missing.num_missing() << " missing, "
- << unfound << " unfound"
- << dendl;
+void PG::queue_scrub_after_repair()
+{
+ dout(10) << __func__ << dendl;
+ ceph_assert(ceph_mutex_is_locked(_lock));
- std::set<pg_shard_t>::const_iterator m = might_have_unfound.begin();
- std::set<pg_shard_t>::const_iterator mend = might_have_unfound.end();
- for (; m != mend; ++m) {
- pg_shard_t peer(*m);
-
- if (!get_osdmap()->is_up(peer.osd)) {
- dout(20) << __func__ << " skipping down osd." << peer << dendl;
- continue;
- }
+ m_planned_scrub.must_deep_scrub = true;
+ m_planned_scrub.check_repair = true;
+ m_planned_scrub.must_scrub = true;
- map<pg_shard_t, pg_info_t>::const_iterator iter = peer_info.find(peer);
- if (iter != peer_info.end() &&
- (iter->second.is_empty() || iter->second.dne())) {
- // ignore empty peers
- continue;
- }
+ if (is_scrub_queued_or_active()) {
+ dout(10) << __func__ << ": scrubbing already ("
+ << (is_scrubbing() ? "active)" : "queued)") << dendl;
+ return;
+ }
- // If we've requested any of this stuff, the pg_missing_t information
- // should be on its way.
- // TODO: coalsce requested_* into a single data structure
- if (peer_missing.find(peer) != peer_missing.end()) {
- dout(20) << __func__ << ": osd." << peer
- << ": we already have pg_missing_t" << dendl;
- continue;
- }
- if (peer_log_requested.find(peer) != peer_log_requested.end()) {
- dout(20) << __func__ << ": osd." << peer
- << ": in peer_log_requested" << dendl;
- continue;
- }
- if (peer_missing_requested.find(peer) != peer_missing_requested.end()) {
- dout(20) << __func__ << ": osd." << peer
- << ": in peer_missing_requested" << dendl;
- continue;
- }
+ m_scrubber->set_op_parameters(m_planned_scrub);
+ dout(15) << __func__ << ": queueing" << dendl;
- // Request missing
- dout(10) << __func__ << ": osd." << peer << ": requesting pg_missing_t"
- << dendl;
- peer_missing_requested.insert(peer);
- query_map[peer.osd][spg_t(info.pgid.pgid, peer.shard)] =
- pg_query_t(
- pg_query_t::FULLLOG,
- peer.shard, pg_whoami.shard,
- info.history, get_osdmap()->get_epoch());
- }
+ osd->queue_scrub_after_repair(this, Scrub::scrub_prio_t::high_priority);
}
-/******* PG ***********/
-bool PG::needs_recovery() const
+unsigned PG::get_scrub_priority()
{
- assert(is_primary());
-
- auto &missing = pg_log.get_missing();
+ // a higher value -> a higher priority
+ int64_t pool_scrub_priority =
+ pool.info.opts.value_or(pool_opts_t::SCRUB_PRIORITY, (int64_t)0);
+ return pool_scrub_priority > 0 ? pool_scrub_priority : cct->_conf->osd_scrub_priority;
+}
- if (missing.num_missing()) {
- dout(10) << __func__ << " primary has " << missing.num_missing()
- << " missing" << dendl;
- return true;
- }
+Context *PG::finish_recovery()
+{
+ dout(10) << "finish_recovery" << dendl;
+ ceph_assert(info.last_complete == info.last_update);
- assert(!actingbackfill.empty());
- set<pg_shard_t>::const_iterator end = actingbackfill.end();
- set<pg_shard_t>::const_iterator a = actingbackfill.begin();
- for (; a != end; ++a) {
- if (*a == get_primary()) continue;
- pg_shard_t peer = *a;
- map<pg_shard_t, pg_missing_t>::const_iterator pm = peer_missing.find(peer);
- if (pm == peer_missing.end()) {
- dout(10) << __func__ << " osd." << peer << " doesn't have missing set"
- << dendl;
- continue;
- }
- if (pm->second.num_missing()) {
- dout(10) << __func__ << " osd." << peer << " has "
- << pm->second.num_missing() << " missing" << dendl;
- return true;
- }
- }
+ clear_recovery_state();
- dout(10) << __func__ << " is recovered" << dendl;
- return false;
+ /*
+ * sync all this before purging strays. but don't block!
+ */
+ finish_sync_event = new C_PG_FinishRecovery(this);
+ return finish_sync_event;
}
-bool PG::needs_backfill() const
+void PG::_finish_recovery(Context* c)
{
- assert(is_primary());
-
- // We can assume that only possible osds that need backfill
- // are on the backfill_targets vector nodes.
- set<pg_shard_t>::const_iterator end = backfill_targets.end();
- set<pg_shard_t>::const_iterator a = backfill_targets.begin();
- for (; a != end; ++a) {
- pg_shard_t peer = *a;
- map<pg_shard_t, pg_info_t>::const_iterator pi = peer_info.find(peer);
- if (!pi->second.last_backfill.is_max()) {
- dout(10) << __func__ << " osd." << peer << " has last_backfill " << pi->second.last_backfill << dendl;
- return true;
- }
- }
+ dout(15) << __func__ << " finish_sync_event? " << finish_sync_event << " clean? "
+ << is_clean() << dendl;
- dout(10) << __func__ << " does not need backfill" << dendl;
- return false;
-}
+ std::scoped_lock locker{*this};
+ if (recovery_state.is_deleting() || !is_clean()) {
+ dout(10) << __func__ << " raced with delete or repair" << dendl;
+ return;
+ }
+ // When recovery is initiated by a repair, that flag is left on
+ state_clear(PG_STATE_REPAIR);
+ if (c == finish_sync_event) {
+ dout(15) << __func__ << " scrub_after_recovery? " << scrub_after_recovery << dendl;
+ finish_sync_event = 0;
+ recovery_state.purge_strays();
+ publish_stats_to_osd();
-void PG::check_past_interval_bounds() const
-{
- auto rpib = get_required_past_interval_bounds(
- info,
- osd->get_superblock().oldest_map);
- if (rpib.first >= rpib.second) {
- if (!past_intervals.empty()) {
- osd->clog->error() << info.pgid << " required past_interval bounds are"
- << " empty [" << rpib << ") but past_intervals is not: "
- << past_intervals;
- derr << info.pgid << " required past_interval bounds are"
- << " empty [" << rpib << ") but past_intervals is not: "
- << past_intervals << dendl;
+ if (scrub_after_recovery) {
+ dout(10) << "_finish_recovery requeueing for scrub" << dendl;
+ scrub_after_recovery = false;
+ queue_scrub_after_repair();
}
} else {
- if (past_intervals.empty()) {
- osd->clog->error() << info.pgid << " required past_interval bounds are"
- << " not empty [" << rpib << ") but past_intervals "
- << past_intervals << " is empty";
- derr << info.pgid << " required past_interval bounds are"
- << " not empty [" << rpib << ") but past_intervals "
- << past_intervals << " is empty" << dendl;
- assert(!past_intervals.empty());
- }
-
- auto apib = past_intervals.get_bounds();
- if (apib.first > rpib.first) {
- osd->clog->error() << info.pgid << " past_intervals [" << apib
- << ") start interval does not contain the required"
- << " bound [" << rpib << ") start";
- derr << info.pgid << " past_intervals [" << apib
- << ") start interval does not contain the required"
- << " bound [" << rpib << ") start" << dendl;
- assert(0 == "past_interval start interval mismatch");
- }
- if (apib.second != rpib.second) {
- osd->clog->error() << info.pgid << " past_interal bound [" << apib
- << ") end does not match required [" << rpib
- << ") end";
- derr << info.pgid << " past_interal bound [" << apib
- << ") end does not match required [" << rpib
- << ") end" << dendl;
- assert(0 == "past_interval end mismatch");
- }
+ dout(10) << "_finish_recovery -- stale" << dendl;
}
}
-bool PG::adjust_need_up_thru(const OSDMapRef osdmap)
+void PG::start_recovery_op(const hobject_t& soid)
{
- epoch_t up_thru = osdmap->get_up_thru(osd->whoami);
- if (need_up_thru &&
- up_thru >= info.history.same_interval_since) {
- dout(10) << "adjust_need_up_thru now " << up_thru << ", need_up_thru now false" << dendl;
- need_up_thru = false;
- return true;
- }
- return false;
+ dout(10) << "start_recovery_op " << soid
+#ifdef DEBUG_RECOVERY_OIDS
+ << " (" << recovering_oids << ")"
+#endif
+ << dendl;
+ ceph_assert(recovery_ops_active >= 0);
+ recovery_ops_active++;
+#ifdef DEBUG_RECOVERY_OIDS
+ recovering_oids.insert(soid);
+#endif
+ osd->start_recovery_op(this, soid);
}
-void PG::remove_down_peer_info(const OSDMapRef osdmap)
+void PG::finish_recovery_op(const hobject_t& soid, bool dequeue)
{
- // Remove any downed osds from peer_info
- bool removed = false;
- map<pg_shard_t, pg_info_t>::iterator p = peer_info.begin();
- while (p != peer_info.end()) {
- if (!osdmap->is_up(p->first.osd)) {
- dout(10) << " dropping down osd." << p->first << " info " << p->second << dendl;
- peer_missing.erase(p->first);
- peer_log_requested.erase(p->first);
- peer_missing_requested.erase(p->first);
- peer_info.erase(p++);
- removed = true;
- } else
- ++p;
- }
-
- // if we removed anyone, update peers (which include peer_info)
- if (removed)
- update_heartbeat_peers();
- check_recovery_sources(osdmap);
-}
-
-/*
- * Returns true unless there is a non-lost OSD in might_have_unfound.
- */
-bool PG::all_unfound_are_queried_or_lost(const OSDMapRef osdmap) const
-{
- assert(is_primary());
+ dout(10) << "finish_recovery_op " << soid
+#ifdef DEBUG_RECOVERY_OIDS
+ << " (" << recovering_oids << ")"
+#endif
+ << dendl;
+ ceph_assert(recovery_ops_active > 0);
+ recovery_ops_active--;
+#ifdef DEBUG_RECOVERY_OIDS
+ ceph_assert(recovering_oids.count(soid));
+ recovering_oids.erase(recovering_oids.find(soid));
+#endif
+ osd->finish_recovery_op(this, soid, dequeue);
- set<pg_shard_t>::const_iterator peer = might_have_unfound.begin();
- set<pg_shard_t>::const_iterator mend = might_have_unfound.end();
- for (; peer != mend; ++peer) {
- if (peer_missing.count(*peer))
- continue;
- map<pg_shard_t, pg_info_t>::const_iterator iter = peer_info.find(*peer);
- if (iter != peer_info.end() &&
- (iter->second.is_empty() || iter->second.dne()))
- continue;
- if (!osdmap->exists(peer->osd))
- continue;
- const osd_info_t &osd_info(osdmap->get_info(peer->osd));
- if (osd_info.lost_at <= osd_info.up_from) {
- // If there is even one OSD in might_have_unfound that isn't lost, we
- // still might retrieve our unfound.
- return false;
- }
+ if (!dequeue) {
+ queue_recovery();
}
- dout(10) << "all_unfound_are_queried_or_lost all of might_have_unfound " << might_have_unfound
- << " have been queried or are marked lost" << dendl;
- return true;
}
-PastIntervals::PriorSet PG::build_prior()
+void PG::split_into(pg_t child_pgid, PG *child, unsigned split_bits)
{
- if (1) {
- // sanity check
- for (map<pg_shard_t,pg_info_t>::iterator it = peer_info.begin();
- it != peer_info.end();
- ++it) {
- assert(info.history.last_epoch_started >= it->second.history.last_epoch_started);
- }
- }
+ recovery_state.split_into(child_pgid, &child->recovery_state, split_bits);
- const OSDMap &osdmap = *get_osdmap();
- PastIntervals::PriorSet prior = past_intervals.get_prior_set(
- pool.info.ec_pool(),
- info.history.last_epoch_started,
- get_pgbackend()->get_is_recoverable_predicate(),
- [&](epoch_t start, int osd, epoch_t *lost_at) {
- const osd_info_t *pinfo = 0;
- if (osdmap.exists(osd)) {
- pinfo = &osdmap.get_info(osd);
- if (lost_at)
- *lost_at = pinfo->lost_at;
- }
+ child->update_snap_mapper_bits(split_bits);
- if (osdmap.is_up(osd)) {
- return PastIntervals::UP;
- } else if (!pinfo) {
- return PastIntervals::DNE;
- } else if (pinfo->lost_at > start) {
- return PastIntervals::LOST;
- } else {
- return PastIntervals::DOWN;
- }
- },
- up,
- acting,
- this);
-
- if (prior.pg_down) {
- state_set(PG_STATE_DOWN);
- }
+ child->snap_trimq = snap_trimq;
+ child->snap_trimq_repeat = snap_trimq_repeat;
- if (get_osdmap()->get_up_thru(osd->whoami) < info.history.same_interval_since) {
- dout(10) << "up_thru " << get_osdmap()->get_up_thru(osd->whoami)
- << " < same_since " << info.history.same_interval_since
- << ", must notify monitor" << dendl;
- need_up_thru = true;
- } else {
- dout(10) << "up_thru " << get_osdmap()->get_up_thru(osd->whoami)
- << " >= same_since " << info.history.same_interval_since
- << ", all is well" << dendl;
- need_up_thru = false;
- }
- set_probe_targets(prior.probe);
- return prior;
+ _split_into(child_pgid, child, split_bits);
+
+ // release all backoffs for simplicity
+ release_backoffs(hobject_t(), hobject_t::get_max());
}
-void PG::clear_primary_state()
+void PG::start_split_stats(const set<spg_t>& childpgs, vector<object_stat_sum_t> *out)
{
- dout(10) << "clear_primary_state" << dendl;
-
- // clear peering state
- stray_set.clear();
- peer_log_requested.clear();
- peer_missing_requested.clear();
- peer_info.clear();
- peer_missing.clear();
- need_up_thru = false;
- peer_last_complete_ondisk.clear();
- peer_activated.clear();
- min_last_complete_ondisk = eversion_t();
- pg_trim_to = eversion_t();
- might_have_unfound.clear();
- projected_log = PGLog::IndexedLog();
-
- last_update_ondisk = eversion_t();
-
- snap_trimq.clear();
+ recovery_state.start_split_stats(childpgs, out);
+}
- finish_sync_event = 0; // so that _finish_recovery doesn't go off in another thread
+void PG::finish_split_stats(const object_stat_sum_t& stats, ObjectStore::Transaction &t)
+{
+ recovery_state.finish_split_stats(stats, t);
+}
- missing_loc.clear();
+void PG::merge_from(map<spg_t,PGRef>& sources, PeeringCtx &rctx,
+ unsigned split_bits,
+ const pg_merge_meta_t& last_pg_merge_meta)
+{
+ dout(10) << __func__ << " from " << sources << " split_bits " << split_bits
+ << dendl;
+ map<spg_t, PeeringState*> source_ps;
+ for (auto &&source : sources) {
+ source_ps.emplace(source.first, &source.second->recovery_state);
+ }
+ recovery_state.merge_from(source_ps, rctx, split_bits, last_pg_merge_meta);
- release_pg_backoffs();
+ for (auto& i : sources) {
+ auto& source = i.second;
+ // wipe out source's pgmeta
+ rctx.transaction.remove(source->coll, source->pgmeta_oid);
- pg_log.reset_recovery_pointers();
+ // merge (and destroy source collection)
+ rctx.transaction.merge_collection(source->coll, coll, split_bits);
+ }
- scrubber.reserved_peers.clear();
- scrub_after_recovery = false;
+ // merge_collection does this, but maybe all of our sources were missing.
+ rctx.transaction.collection_set_bits(coll, split_bits);
- agent_clear();
+ snap_mapper.update_bits(split_bits);
}
-PG::Scrubber::Scrubber()
- : reserved(false), reserve_failed(false),
- epoch_start(0),
- active(false),
- shallow_errors(0), deep_errors(0), fixed(0),
- must_scrub(false), must_deep_scrub(false), must_repair(false),
- auto_repair(false),
- num_digest_updates_pending(0),
- state(INACTIVE),
- deep(false)
-{}
-
-PG::Scrubber::~Scrubber() {}
-
-/**
- * find_best_info
- *
- * Returns an iterator to the best info in infos sorted by:
- * 1) Prefer newer last_update
- * 2) Prefer longer tail if it brings another info into contiguity
- * 3) Prefer current primary
- */
-map<pg_shard_t, pg_info_t>::const_iterator PG::find_best_info(
- const map<pg_shard_t, pg_info_t> &infos,
- bool restrict_to_up_acting,
- bool *history_les_bound) const
+void PG::add_backoff(const ceph::ref_t<Session>& s, const hobject_t& begin, const hobject_t& end)
{
- assert(history_les_bound);
- /* See doc/dev/osd_internals/last_epoch_started.rst before attempting
- * to make changes to this process. Also, make sure to update it
- * when you find bugs! */
- eversion_t min_last_update_acceptable = eversion_t::max();
- epoch_t max_last_epoch_started_found = 0;
- for (map<pg_shard_t, pg_info_t>::const_iterator i = infos.begin();
- i != infos.end();
- ++i) {
- if (!cct->_conf->osd_find_best_info_ignore_history_les &&
- max_last_epoch_started_found < i->second.history.last_epoch_started) {
- *history_les_bound = true;
- max_last_epoch_started_found = i->second.history.last_epoch_started;
- }
- if (!i->second.is_incomplete() &&
- max_last_epoch_started_found < i->second.last_epoch_started) {
- max_last_epoch_started_found = i->second.last_epoch_started;
- }
+ auto con = s->con;
+ if (!con) // OSD::ms_handle_reset clears s->con without a lock
+ return;
+ auto b = s->have_backoff(info.pgid, begin);
+ if (b) {
+ derr << __func__ << " already have backoff for " << s << " begin " << begin
+ << " " << *b << dendl;
+ ceph_abort();
}
- for (map<pg_shard_t, pg_info_t>::const_iterator i = infos.begin();
- i != infos.end();
- ++i) {
- if (max_last_epoch_started_found <= i->second.last_epoch_started) {
- if (min_last_update_acceptable > i->second.last_update)
- min_last_update_acceptable = i->second.last_update;
+ std::lock_guard l(backoff_lock);
+ b = ceph::make_ref<Backoff>(info.pgid, this, s, ++s->backoff_seq, begin, end);
+ backoffs[begin].insert(b);
+ s->add_backoff(b);
+ dout(10) << __func__ << " session " << s << " added " << *b << dendl;
+ con->send_message(
+ new MOSDBackoff(
+ info.pgid,
+ get_osdmap_epoch(),
+ CEPH_OSD_BACKOFF_OP_BLOCK,
+ b->id,
+ begin,
+ end));
+}
+
+void PG::release_backoffs(const hobject_t& begin, const hobject_t& end)
+{
+ dout(10) << __func__ << " [" << begin << "," << end << ")" << dendl;
+ vector<ceph::ref_t<Backoff>> bv;
+ {
+ std::lock_guard l(backoff_lock);
+ auto p = backoffs.lower_bound(begin);
+ while (p != backoffs.end()) {
+ int r = cmp(p->first, end);
+ dout(20) << __func__ << " ? " << r << " " << p->first
+ << " " << p->second << dendl;
+ // note: must still examine begin=end=p->first case
+ if (r > 0 || (r == 0 && begin < end)) {
+ break;
+ }
+ dout(20) << __func__ << " checking " << p->first
+ << " " << p->second << dendl;
+ auto q = p->second.begin();
+ while (q != p->second.end()) {
+ dout(20) << __func__ << " checking " << *q << dendl;
+ int rr = cmp((*q)->begin, begin);
+ if (rr == 0 || (rr > 0 && (*q)->end < end)) {
+ bv.push_back(*q);
+ q = p->second.erase(q);
+ } else {
+ ++q;
+ }
+ }
+ if (p->second.empty()) {
+ p = backoffs.erase(p);
+ } else {
+ ++p;
+ }
}
}
- if (min_last_update_acceptable == eversion_t::max())
- return infos.end();
-
- map<pg_shard_t, pg_info_t>::const_iterator best = infos.end();
- // find osd with newest last_update (oldest for ec_pool).
- // if there are multiples, prefer
- // - a longer tail, if it brings another peer into log contiguity
- // - the current primary
- for (map<pg_shard_t, pg_info_t>::const_iterator p = infos.begin();
- p != infos.end();
- ++p) {
- if (restrict_to_up_acting && !is_up(p->first) &&
- !is_acting(p->first))
- continue;
- // Only consider peers with last_update >= min_last_update_acceptable
- if (p->second.last_update < min_last_update_acceptable)
- continue;
- // Disqualify anyone with a too old last_epoch_started
- if (p->second.last_epoch_started < max_last_epoch_started_found)
- continue;
- // Disqualify anyone who is incomplete (not fully backfilled)
- if (p->second.is_incomplete())
- continue;
- if (best == infos.end()) {
- best = p;
- continue;
- }
- // Prefer newer last_update
- if (pool.info.require_rollback()) {
- if (p->second.last_update > best->second.last_update)
- continue;
- if (p->second.last_update < best->second.last_update) {
- best = p;
- continue;
+ for (auto b : bv) {
+ std::lock_guard l(b->lock);
+ dout(10) << __func__ << " " << *b << dendl;
+ if (b->session) {
+ ceph_assert(b->pg == this);
+ ConnectionRef con = b->session->con;
+ if (con) { // OSD::ms_handle_reset clears s->con without a lock
+ con->send_message(
+ new MOSDBackoff(
+ info.pgid,
+ get_osdmap_epoch(),
+ CEPH_OSD_BACKOFF_OP_UNBLOCK,
+ b->id,
+ b->begin,
+ b->end));
}
- } else {
- if (p->second.last_update < best->second.last_update)
- continue;
- if (p->second.last_update > best->second.last_update) {
- best = p;
- continue;
+ if (b->is_new()) {
+ b->state = Backoff::STATE_DELETING;
+ } else {
+ b->session->rm_backoff(b);
+ b->session.reset();
}
- }
-
- // Prefer longer tail
- if (p->second.log_tail > best->second.log_tail) {
- continue;
- } else if (p->second.log_tail < best->second.log_tail) {
- best = p;
- continue;
- }
-
- // prefer current primary (usually the caller), all things being equal
- if (p->first == pg_whoami) {
- dout(10) << "calc_acting prefer osd." << p->first
- << " because it is current primary" << dendl;
- best = p;
- continue;
+ b->pg.reset();
}
}
- return best;
-}
-
-void PG::calc_ec_acting(
- map<pg_shard_t, pg_info_t>::const_iterator auth_log_shard,
- unsigned size,
- const vector<int> &acting,
- pg_shard_t acting_primary,
- const vector<int> &up,
- pg_shard_t up_primary,
- const map<pg_shard_t, pg_info_t> &all_info,
- bool restrict_to_up_acting,
- vector<int> *_want,
- set<pg_shard_t> *backfill,
- set<pg_shard_t> *acting_backfill,
- pg_shard_t *want_primary,
- ostream &ss)
+}
+
+void PG::clear_backoffs()
{
- vector<int> want(size, CRUSH_ITEM_NONE);
- map<shard_id_t, set<pg_shard_t> > all_info_by_shard;
- unsigned usable = 0;
- for (map<pg_shard_t, pg_info_t>::const_iterator i = all_info.begin();
- i != all_info.end();
- ++i) {
- all_info_by_shard[i->first.shard].insert(i->first);
+ dout(10) << __func__ << " " << dendl;
+ map<hobject_t,set<ceph::ref_t<Backoff>>> ls;
+ {
+ std::lock_guard l(backoff_lock);
+ ls.swap(backoffs);
}
- for (uint8_t i = 0; i < want.size(); ++i) {
- ss << "For position " << (unsigned)i << ": ";
- if (up.size() > (unsigned)i && up[i] != CRUSH_ITEM_NONE &&
- !all_info.find(pg_shard_t(up[i], shard_id_t(i)))->second.is_incomplete() &&
- all_info.find(pg_shard_t(up[i], shard_id_t(i)))->second.last_update >=
- auth_log_shard->second.log_tail) {
- ss << " selecting up[i]: " << pg_shard_t(up[i], shard_id_t(i)) << std::endl;
- want[i] = up[i];
- ++usable;
- continue;
- }
- if (up.size() > (unsigned)i && up[i] != CRUSH_ITEM_NONE) {
- ss << " backfilling up[i]: " << pg_shard_t(up[i], shard_id_t(i))
- << " and ";
- backfill->insert(pg_shard_t(up[i], shard_id_t(i)));
- }
-
- if (acting.size() > (unsigned)i && acting[i] != CRUSH_ITEM_NONE &&
- !all_info.find(pg_shard_t(acting[i], shard_id_t(i)))->second.is_incomplete() &&
- all_info.find(pg_shard_t(acting[i], shard_id_t(i)))->second.last_update >=
- auth_log_shard->second.log_tail) {
- ss << " selecting acting[i]: " << pg_shard_t(acting[i], shard_id_t(i)) << std::endl;
- want[i] = acting[i];
- ++usable;
- } else if (!restrict_to_up_acting) {
- for (set<pg_shard_t>::iterator j = all_info_by_shard[shard_id_t(i)].begin();
- j != all_info_by_shard[shard_id_t(i)].end();
- ++j) {
- assert(j->shard == i);
- if (!all_info.find(*j)->second.is_incomplete() &&
- all_info.find(*j)->second.last_update >=
- auth_log_shard->second.log_tail) {
- ss << " selecting stray: " << *j << std::endl;
- want[i] = j->osd;
- ++usable;
- break;
+ for (auto& p : ls) {
+ for (auto& b : p.second) {
+ std::lock_guard l(b->lock);
+ dout(10) << __func__ << " " << *b << dendl;
+ if (b->session) {
+ ceph_assert(b->pg == this);
+ if (b->is_new()) {
+ b->state = Backoff::STATE_DELETING;
+ } else {
+ b->session->rm_backoff(b);
+ b->session.reset();
}
+ b->pg.reset();
}
- if (want[i] == CRUSH_ITEM_NONE)
- ss << " failed to fill position " << (int)i << std::endl;
}
}
+}
- bool found_primary = false;
- for (uint8_t i = 0; i < want.size(); ++i) {
- if (want[i] != CRUSH_ITEM_NONE) {
- acting_backfill->insert(pg_shard_t(want[i], shard_id_t(i)));
- if (!found_primary) {
- *want_primary = pg_shard_t(want[i], shard_id_t(i));
- found_primary = true;
+// called by Session::clear_backoffs()
+void PG::rm_backoff(const ceph::ref_t<Backoff>& b)
+{
+ dout(10) << __func__ << " " << *b << dendl;
+ std::lock_guard l(backoff_lock);
+ ceph_assert(ceph_mutex_is_locked_by_me(b->lock));
+ ceph_assert(b->pg == this);
+ auto p = backoffs.find(b->begin);
+ // may race with release_backoffs()
+ if (p != backoffs.end()) {
+ auto q = p->second.find(b);
+ if (q != p->second.end()) {
+ p->second.erase(q);
+ if (p->second.empty()) {
+ backoffs.erase(p);
}
}
}
- acting_backfill->insert(backfill->begin(), backfill->end());
- _want->swap(want);
}
-/**
- * calculate the desired acting set.
- *
- * Choose an appropriate acting set. Prefer up[0], unless it is
- * incomplete, or another osd has a longer tail that allows us to
- * bring other up nodes up to date.
- */
-void PG::calc_replicated_acting(
- map<pg_shard_t, pg_info_t>::const_iterator auth_log_shard,
- unsigned size,
- const vector<int> &acting,
- pg_shard_t acting_primary,
- const vector<int> &up,
- pg_shard_t up_primary,
- const map<pg_shard_t, pg_info_t> &all_info,
- bool restrict_to_up_acting,
- vector<int> *want,
- set<pg_shard_t> *backfill,
- set<pg_shard_t> *acting_backfill,
- pg_shard_t *want_primary,
- ostream &ss)
+void PG::clear_recovery_state()
{
- ss << "calc_acting newest update on osd." << auth_log_shard->first
- << " with " << auth_log_shard->second
- << (restrict_to_up_acting ? " restrict_to_up_acting" : "") << std::endl;
- pg_shard_t auth_log_shard_id = auth_log_shard->first;
-
- // select primary
- map<pg_shard_t,pg_info_t>::const_iterator primary;
- if (up.size() &&
- !all_info.find(up_primary)->second.is_incomplete() &&
- all_info.find(up_primary)->second.last_update >=
- auth_log_shard->second.log_tail) {
- ss << "up_primary: " << up_primary << ") selected as primary" << std::endl;
- primary = all_info.find(up_primary); // prefer up[0], all thing being equal
- } else {
- assert(!auth_log_shard->second.is_incomplete());
- ss << "up[0] needs backfill, osd." << auth_log_shard_id
- << " selected as primary instead" << std::endl;
- primary = auth_log_shard;
- }
+ dout(10) << "clear_recovery_state" << dendl;
- ss << "calc_acting primary is osd." << primary->first
- << " with " << primary->second << std::endl;
- *want_primary = primary->first;
- want->push_back(primary->first.osd);
- acting_backfill->insert(primary->first);
- unsigned usable = 1;
-
- // select replicas that have log contiguity with primary.
- // prefer up, then acting, then any peer_info osds
- for (vector<int>::const_iterator i = up.begin();
- i != up.end();
- ++i) {
- pg_shard_t up_cand = pg_shard_t(*i, shard_id_t::NO_SHARD);
- if (up_cand == primary->first)
- continue;
- const pg_info_t &cur_info = all_info.find(up_cand)->second;
- if (cur_info.is_incomplete() ||
- cur_info.last_update < MIN(
- primary->second.log_tail,
- auth_log_shard->second.log_tail)) {
- /* We include auth_log_shard->second.log_tail because in GetLog,
- * we will request logs back to the min last_update over our
- * acting_backfill set, which will result in our log being extended
- * as far backwards as necessary to pick up any peers which can
- * be log recovered by auth_log_shard's log */
- ss << " shard " << up_cand << " (up) backfill " << cur_info << std::endl;
- backfill->insert(up_cand);
- acting_backfill->insert(up_cand);
- } else {
- want->push_back(*i);
- acting_backfill->insert(up_cand);
- usable++;
- ss << " osd." << *i << " (up) accepted " << cur_info << std::endl;
- }
- if (want->size() >= size) {
- break;
- }
+ finish_sync_event = 0;
+
+ hobject_t soid;
+ while (recovery_ops_active > 0) {
+#ifdef DEBUG_RECOVERY_OIDS
+ soid = *recovering_oids.begin();
+#endif
+ finish_recovery_op(soid, true);
}
- // This no longer has backfill OSDs, but they are covered above.
- for (vector<int>::const_iterator i = acting.begin();
- i != acting.end();
- ++i) {
- pg_shard_t acting_cand(*i, shard_id_t::NO_SHARD);
- if (usable >= size)
- break;
+ backfill_info.clear();
+ peer_backfill_info.clear();
+ waiting_on_backfill.clear();
+ _clear_recovery_state(); // pg impl specific hook
+}
- // skip up osds we already considered above
- if (acting_cand == primary->first)
- continue;
- vector<int>::const_iterator up_it = find(up.begin(), up.end(), acting_cand.osd);
- if (up_it != up.end())
- continue;
+void PG::cancel_recovery()
+{
+ dout(10) << "cancel_recovery" << dendl;
+ clear_recovery_state();
+}
- const pg_info_t &cur_info = all_info.find(acting_cand)->second;
- if (cur_info.is_incomplete() ||
- cur_info.last_update < primary->second.log_tail) {
- ss << " shard " << acting_cand << " (stray) REJECTED "
- << cur_info << std::endl;
- } else {
- want->push_back(*i);
- acting_backfill->insert(acting_cand);
- ss << " shard " << acting_cand << " (stray) accepted "
- << cur_info << std::endl;
- usable++;
- }
+void PG::set_probe_targets(const set<pg_shard_t> &probe_set)
+{
+ std::lock_guard l(heartbeat_peer_lock);
+ probe_targets.clear();
+ for (set<pg_shard_t>::iterator i = probe_set.begin();
+ i != probe_set.end();
+ ++i) {
+ probe_targets.insert(i->osd);
}
+}
- if (restrict_to_up_acting) {
+void PG::send_cluster_message(
+ int target, MessageRef m,
+ epoch_t epoch, bool share_map_update)
+{
+ ConnectionRef con = osd->get_con_osd_cluster(
+ target, get_osdmap_epoch());
+ if (!con) {
return;
}
- for (map<pg_shard_t,pg_info_t>::const_iterator i = all_info.begin();
- i != all_info.end();
- ++i) {
- if (usable >= size)
- break;
-
- // skip up osds we already considered above
- if (i->first == primary->first)
- continue;
- vector<int>::const_iterator up_it = find(up.begin(), up.end(), i->first.osd);
- if (up_it != up.end())
- continue;
- vector<int>::const_iterator acting_it = find(
- acting.begin(), acting.end(), i->first.osd);
- if (acting_it != acting.end())
- continue;
- if (i->second.is_incomplete() ||
- i->second.last_update < primary->second.log_tail) {
- ss << " shard " << i->first << " (stray) REJECTED "
- << i->second << std::endl;
- } else {
- want->push_back(i->first.osd);
- acting_backfill->insert(i->first);
- ss << " shard " << i->first << " (stray) accepted "
- << i->second << std::endl;
- usable++;
- }
+ if (share_map_update) {
+ osd->maybe_share_map(con.get(), get_osdmap());
}
+ osd->send_message_osd_cluster(m, con.get());
}
-/**
- * choose acting
- *
- * calculate the desired acting, and request a change with the monitor
- * if it differs from the current acting.
- *
- * if restrict_to_up_acting=true, we filter out anything that's not in
- * up/acting. in order to lift this restriction, we need to
- * 1) check whether it's worth switching the acting set any time we get
- * a new pg info (not just here, when recovery finishes)
- * 2) check whether anything in want_acting went down on each new map
- * (and, if so, calculate a new want_acting)
- * 3) remove the assertion in PG::RecoveryState::Active::react(const AdvMap)
- * TODO!
- */
-bool PG::choose_acting(pg_shard_t &auth_log_shard_id,
- bool restrict_to_up_acting,
- bool *history_les_bound)
+void PG::clear_probe_targets()
{
- map<pg_shard_t, pg_info_t> all_info(peer_info.begin(), peer_info.end());
- all_info[pg_whoami] = info;
+ std::lock_guard l(heartbeat_peer_lock);
+ probe_targets.clear();
+}
- for (map<pg_shard_t, pg_info_t>::iterator p = all_info.begin();
- p != all_info.end();
- ++p) {
- dout(10) << __func__ << " all_info osd." << p->first << " " << p->second << dendl;
+void PG::update_heartbeat_peers(set<int> new_peers)
+{
+ bool need_update = false;
+ heartbeat_peer_lock.lock();
+ if (new_peers == heartbeat_peers) {
+ dout(10) << "update_heartbeat_peers " << heartbeat_peers << " unchanged" << dendl;
+ } else {
+ dout(10) << "update_heartbeat_peers " << heartbeat_peers << " -> " << new_peers << dendl;
+ heartbeat_peers.swap(new_peers);
+ need_update = true;
}
+ heartbeat_peer_lock.unlock();
- map<pg_shard_t, pg_info_t>::const_iterator auth_log_shard =
- find_best_info(all_info, restrict_to_up_acting, history_les_bound);
+ if (need_update)
+ osd->need_heartbeat_peer_update();
+}
- if (auth_log_shard == all_info.end()) {
- if (up != acting) {
- dout(10) << "choose_acting no suitable info found (incomplete backfills?),"
- << " reverting to up" << dendl;
- want_acting = up;
- vector<int> empty;
- osd->queue_want_pg_temp(info.pgid.pgid, empty);
- } else {
- dout(10) << "choose_acting failed" << dendl;
- assert(want_acting.empty());
- }
- return false;
- }
- assert(!auth_log_shard->second.is_incomplete());
- auth_log_shard_id = auth_log_shard->first;
+bool PG::check_in_progress_op(
+ const osd_reqid_t &r,
+ eversion_t *version,
+ version_t *user_version,
+ int *return_code,
+ vector<pg_log_op_return_item_t> *op_returns
+ ) const
+{
+ return (
+ projected_log.get_request(r, version, user_version, return_code,
+ op_returns) ||
+ recovery_state.get_pg_log().get_log().get_request(
+ r, version, user_version, return_code, op_returns));
+}
- set<pg_shard_t> want_backfill, want_acting_backfill;
- vector<int> want;
- pg_shard_t want_primary;
- stringstream ss;
- if (!pool.info.ec_pool())
- calc_replicated_acting(
- auth_log_shard,
- get_osdmap()->get_pg_size(info.pgid.pgid),
- acting,
- primary,
- up,
- up_primary,
- all_info,
- restrict_to_up_acting,
- &want,
- &want_backfill,
- &want_acting_backfill,
- &want_primary,
- ss);
- else
- calc_ec_acting(
- auth_log_shard,
- get_osdmap()->get_pg_size(info.pgid.pgid),
- acting,
- primary,
- up,
- up_primary,
- all_info,
- restrict_to_up_acting,
- &want,
- &want_backfill,
- &want_acting_backfill,
- &want_primary,
- ss);
- dout(10) << ss.str() << dendl;
-
- unsigned num_want_acting = 0;
- set<pg_shard_t> have;
- for (int i = 0; i < (int)want.size(); ++i) {
- if (want[i] != CRUSH_ITEM_NONE) {
- ++num_want_acting;
- have.insert(
- pg_shard_t(
- want[i],
- pool.info.ec_pool() ? shard_id_t(i) : shard_id_t::NO_SHARD));
- }
- }
-
- // We go incomplete if below min_size for ec_pools since backfill
- // does not currently maintain rollbackability
- // Otherwise, we will go "peered", but not "active"
- if (num_want_acting < pool.info.min_size &&
- (pool.info.ec_pool() ||
- !cct->_conf->osd_allow_recovery_below_min_size)) {
- want_acting.clear();
- dout(10) << "choose_acting failed, below min size" << dendl;
- return false;
- }
-
- /* Check whether we have enough acting shards to later perform recovery */
- boost::scoped_ptr<IsPGRecoverablePredicate> recoverable_predicate(
- get_pgbackend()->get_is_recoverable_predicate());
- if (!(*recoverable_predicate)(have)) {
- want_acting.clear();
- dout(10) << "choose_acting failed, not recoverable" << dendl;
- return false;
- }
-
- if (want != acting) {
- dout(10) << "choose_acting want " << want << " != acting " << acting
- << ", requesting pg_temp change" << dendl;
- want_acting = want;
-
- if (want_acting == up) {
- // There can't be any pending backfill if
- // want is the same as crush map up OSDs.
- assert(want_backfill.empty());
- vector<int> empty;
- osd->queue_want_pg_temp(info.pgid.pgid, empty);
- } else
- osd->queue_want_pg_temp(info.pgid.pgid, want);
- return false;
- }
- want_acting.clear();
- actingbackfill = want_acting_backfill;
- dout(10) << "actingbackfill is " << actingbackfill << dendl;
- assert(backfill_targets.empty() || backfill_targets == want_backfill);
- if (backfill_targets.empty()) {
- // Caller is GetInfo
- backfill_targets = want_backfill;
- }
- // Will not change if already set because up would have had to change
- // Verify that nothing in backfill is in stray_set
- for (set<pg_shard_t>::iterator i = want_backfill.begin();
- i != want_backfill.end();
- ++i) {
- assert(stray_set.find(*i) == stray_set.end());
- }
- dout(10) << "choose_acting want " << want << " (== acting) backfill_targets "
- << want_backfill << dendl;
- return true;
-}
-
-/* Build the might_have_unfound set.
- *
- * This is used by the primary OSD during recovery.
- *
- * This set tracks the OSDs which might have unfound objects that the primary
- * OSD needs. As we receive pg_missing_t from each OSD in might_have_unfound, we
- * will remove the OSD from the set.
- */
-void PG::build_might_have_unfound()
-{
- assert(might_have_unfound.empty());
- assert(is_primary());
-
- dout(10) << __func__ << dendl;
-
- check_past_interval_bounds();
-
- might_have_unfound = past_intervals.get_might_have_unfound(
- pg_whoami,
- pool.info.ec_pool());
-
- // include any (stray) peers
- for (map<pg_shard_t, pg_info_t>::iterator p = peer_info.begin();
- p != peer_info.end();
- ++p)
- might_have_unfound.insert(p->first);
-
- dout(15) << __func__ << ": built " << might_have_unfound << dendl;
-}
-
-struct C_PG_ActivateCommitted : public Context {
- PGRef pg;
- epoch_t epoch;
- epoch_t activation_epoch;
- C_PG_ActivateCommitted(PG *p, epoch_t e, epoch_t ae)
- : pg(p), epoch(e), activation_epoch(ae) {}
- void finish(int r) override {
- pg->_activate_committed(epoch, activation_epoch);
- }
-};
-
-void PG::activate(ObjectStore::Transaction& t,
- epoch_t activation_epoch,
- list<Context*>& tfin,
- map<int, map<spg_t,pg_query_t> >& query_map,
- map<int,
- vector<
- pair<pg_notify_t,
- PastIntervals> > > *activator_map,
- RecoveryCtx *ctx)
+void PG::publish_stats_to_osd()
{
- assert(!is_peered());
- assert(scrubber.callbacks.empty());
- assert(callbacks_for_degraded_object.empty());
-
- // twiddle pg state
- state_clear(PG_STATE_DOWN);
-
- send_notify = false;
-
- if (is_primary()) {
- // only update primary last_epoch_started if we will go active
- if (acting.size() >= pool.info.min_size) {
- assert(cct->_conf->osd_find_best_info_ignore_history_les ||
- info.last_epoch_started <= activation_epoch);
- info.last_epoch_started = activation_epoch;
- info.last_interval_started = info.history.same_interval_since;
- }
- } else if (is_acting(pg_whoami)) {
- /* update last_epoch_started on acting replica to whatever the primary sent
- * unless it's smaller (could happen if we are going peered rather than
- * active, see doc/dev/osd_internals/last_epoch_started.rst) */
- if (info.last_epoch_started < activation_epoch) {
- info.last_epoch_started = activation_epoch;
- info.last_interval_started = info.history.same_interval_since;
- }
- }
-
- auto &missing = pg_log.get_missing();
-
- if (is_primary()) {
- last_update_ondisk = info.last_update;
- min_last_complete_ondisk = eversion_t(0,0); // we don't know (yet)!
- }
- last_update_applied = info.last_update;
- last_rollback_info_trimmed_to_applied = pg_log.get_can_rollback_to();
-
- need_up_thru = false;
-
- // write pg info, log
- dirty_info = true;
- dirty_big_info = true; // maybe
-
- // find out when we commit
- t.register_on_complete(
- new C_PG_ActivateCommitted(
- this,
- get_osdmap()->get_epoch(),
- activation_epoch));
-
- // initialize snap_trimq
- if (is_primary()) {
- dout(20) << "activate - purged_snaps " << info.purged_snaps
- << " cached_removed_snaps " << pool.cached_removed_snaps << dendl;
- snap_trimq = pool.cached_removed_snaps;
- interval_set<snapid_t> intersection;
- intersection.intersection_of(snap_trimq, info.purged_snaps);
- if (intersection == info.purged_snaps) {
- snap_trimq.subtract(info.purged_snaps);
- } else {
- dout(0) << "warning: info.purged_snaps (" << info.purged_snaps
- << ") is not a subset of pool.cached_removed_snaps ("
- << pool.cached_removed_snaps << ")" << dendl;
- snap_trimq.subtract(intersection);
- }
- }
-
- // init complete pointer
- if (missing.num_missing() == 0) {
- dout(10) << "activate - no missing, moving last_complete " << info.last_complete
- << " -> " << info.last_update << dendl;
- info.last_complete = info.last_update;
- pg_log.reset_recovery_pointers();
- } else {
- dout(10) << "activate - not complete, " << missing << dendl;
- pg_log.activate_not_complete(info);
- }
-
- log_weirdness();
-
- // if primary..
- if (is_primary()) {
- assert(ctx);
- // start up replicas
-
- assert(!actingbackfill.empty());
- for (set<pg_shard_t>::iterator i = actingbackfill.begin();
- i != actingbackfill.end();
- ++i) {
- if (*i == pg_whoami) continue;
- pg_shard_t peer = *i;
- assert(peer_info.count(peer));
- pg_info_t& pi = peer_info[peer];
-
- dout(10) << "activate peer osd." << peer << " " << pi << dendl;
-
- MOSDPGLog *m = 0;
- assert(peer_missing.count(peer));
- pg_missing_t& pm = peer_missing[peer];
-
- bool needs_past_intervals = pi.dne();
-
- /*
- * cover case where peer sort order was different and
- * last_backfill cannot be interpreted
- */
- bool force_restart_backfill =
- !pi.last_backfill.is_max() &&
- !pi.last_backfill_bitwise;
-
- if (pi.last_update == info.last_update && !force_restart_backfill) {
- // empty log
- if (!pi.last_backfill.is_max())
- osd->clog->info() << info.pgid << " continuing backfill to osd."
- << peer
- << " from (" << pi.log_tail << "," << pi.last_update
- << "] " << pi.last_backfill
- << " to " << info.last_update;
- if (!pi.is_empty() && activator_map) {
- dout(10) << "activate peer osd." << peer << " is up to date, queueing in pending_activators" << dendl;
- (*activator_map)[peer.osd].push_back(
- make_pair(
- pg_notify_t(
- peer.shard, pg_whoami.shard,
- get_osdmap()->get_epoch(),
- get_osdmap()->get_epoch(),
- info),
- past_intervals));
- } else {
- dout(10) << "activate peer osd." << peer << " is up to date, but sending pg_log anyway" << dendl;
- m = new MOSDPGLog(
- i->shard, pg_whoami.shard,
- get_osdmap()->get_epoch(), info);
- }
- } else if (
- pg_log.get_tail() > pi.last_update ||
- pi.last_backfill == hobject_t() ||
- force_restart_backfill ||
- (backfill_targets.count(*i) && pi.last_backfill.is_max())) {
- /* ^ This last case covers a situation where a replica is not contiguous
- * with the auth_log, but is contiguous with this replica. Reshuffling
- * the active set to handle this would be tricky, so instead we just go
- * ahead and backfill it anyway. This is probably preferrable in any
- * case since the replica in question would have to be significantly
- * behind.
- */
- // backfill
- osd->clog->debug() << info.pgid << " starting backfill to osd." << peer
- << " from (" << pi.log_tail << "," << pi.last_update
- << "] " << pi.last_backfill
- << " to " << info.last_update;
-
- pi.last_update = info.last_update;
- pi.last_complete = info.last_update;
- pi.set_last_backfill(hobject_t());
- pi.last_epoch_started = info.last_epoch_started;
- pi.last_interval_started = info.last_interval_started;
- pi.history = info.history;
- pi.hit_set = info.hit_set;
- pi.stats.stats.clear();
-
- // initialize peer with our purged_snaps.
- pi.purged_snaps = info.purged_snaps;
-
- m = new MOSDPGLog(
- i->shard, pg_whoami.shard,
- get_osdmap()->get_epoch(), pi);
-
- // send some recent log, so that op dup detection works well.
- m->log.copy_up_to(pg_log.get_log(), cct->_conf->osd_min_pg_log_entries);
- m->info.log_tail = m->log.tail;
- pi.log_tail = m->log.tail; // sigh...
-
- pm.clear();
- } else {
- // catch up
- assert(pg_log.get_tail() <= pi.last_update);
- m = new MOSDPGLog(
- i->shard, pg_whoami.shard,
- get_osdmap()->get_epoch(), info);
- // send new stuff to append to replicas log
- m->log.copy_after(pg_log.get_log(), pi.last_update);
- }
-
- // share past_intervals if we are creating the pg on the replica
- // based on whether our info for that peer was dne() *before*
- // updating pi.history in the backfill block above.
- if (m && needs_past_intervals)
- m->past_intervals = past_intervals;
-
- // update local version of peer's missing list!
- if (m && pi.last_backfill != hobject_t()) {
- for (list<pg_log_entry_t>::iterator p = m->log.log.begin();
- p != m->log.log.end();
- ++p) {
- if (p->soid <= pi.last_backfill &&
- !p->is_error()) {
- if (perform_deletes_during_peering() && p->is_delete()) {
- pm.rm(p->soid, p->version);
- } else {
- pm.add_next_event(*p);
- }
- }
- }
- }
-
- if (m) {
- dout(10) << "activate peer osd." << peer << " sending " << m->log << dendl;
- //m->log.print(cout);
- osd->send_message_osd_cluster(peer.osd, m, get_osdmap()->get_epoch());
- }
-
- // peer now has
- pi.last_update = info.last_update;
-
- // update our missing
- if (pm.num_missing() == 0) {
- pi.last_complete = pi.last_update;
- dout(10) << "activate peer osd." << peer << " " << pi << " uptodate" << dendl;
- } else {
- dout(10) << "activate peer osd." << peer << " " << pi << " missing " << pm << dendl;
- }
- }
-
- // Set up missing_loc
- set<pg_shard_t> complete_shards;
- for (set<pg_shard_t>::iterator i = actingbackfill.begin();
- i != actingbackfill.end();
- ++i) {
- dout(20) << __func__ << " setting up missing_loc from shard " << *i << " " << dendl;
- if (*i == get_primary()) {
- missing_loc.add_active_missing(missing);
- if (!missing.have_missing())
- complete_shards.insert(*i);
- } else {
- auto peer_missing_entry = peer_missing.find(*i);
- assert(peer_missing_entry != peer_missing.end());
- missing_loc.add_active_missing(peer_missing_entry->second);
- if (!peer_missing_entry->second.have_missing() &&
- peer_info[*i].last_backfill.is_max())
- complete_shards.insert(*i);
- }
- }
-
- // If necessary, create might_have_unfound to help us find our unfound objects.
- // NOTE: It's important that we build might_have_unfound before trimming the
- // past intervals.
- might_have_unfound.clear();
- if (needs_recovery()) {
- // If only one shard has missing, we do a trick to add all others as recovery
- // source, this is considered safe since the PGLogs have been merged locally,
- // and covers vast majority of the use cases, like one OSD/host is down for
- // a while for hardware repairing
- if (complete_shards.size() + 1 == actingbackfill.size()) {
- missing_loc.add_batch_sources_info(complete_shards, ctx->handle);
- } else {
- missing_loc.add_source_info(pg_whoami, info, pg_log.get_missing(),
- ctx->handle);
- for (set<pg_shard_t>::iterator i = actingbackfill.begin();
- i != actingbackfill.end();
- ++i) {
- if (*i == pg_whoami) continue;
- dout(10) << __func__ << ": adding " << *i << " as a source" << dendl;
- assert(peer_missing.count(*i));
- assert(peer_info.count(*i));
- missing_loc.add_source_info(
- *i,
- peer_info[*i],
- peer_missing[*i],
- ctx->handle);
- }
- }
- for (map<pg_shard_t, pg_missing_t>::iterator i = peer_missing.begin();
- i != peer_missing.end();
- ++i) {
- if (is_actingbackfill(i->first))
- continue;
- assert(peer_info.count(i->first));
- search_for_missing(
- peer_info[i->first],
- i->second,
- i->first,
- ctx);
- }
-
- build_might_have_unfound();
-
- // Always call now so _update_calc_stats() will be accurate
- discover_all_missing(query_map);
- }
+ if (!is_primary())
+ return;
- // num_objects_degraded if calculated should reflect this too, unless no
- // missing and we are about to go clean.
- if (get_osdmap()->get_pg_size(info.pgid.pgid) > actingset.size()) {
- state_set(PG_STATE_UNDERSIZED);
- }
+ ceph_assert(m_scrubber);
+ recovery_state.update_stats_wo_resched(
+ [scrubber = m_scrubber.get()](pg_history_t& hist,
+ pg_stat_t& info) mutable -> void {
+ info.scrub_sched_status = scrubber->get_schedule();
+ });
- state_set(PG_STATE_ACTIVATING);
- release_pg_backoffs();
- projected_last_update = info.last_update;
- }
- if (acting.size() >= pool.info.min_size) {
- PGLogEntryHandler handler{this, &t};
- pg_log.roll_forward(&handler);
+ std::lock_guard l{pg_stats_publish_lock};
+ auto stats =
+ recovery_state.prepare_stats_for_publish(pg_stats_publish, unstable_stats);
+ if (stats) {
+ pg_stats_publish = std::move(stats);
}
}
-bool PG::op_has_sufficient_caps(OpRequestRef& op)
+unsigned PG::get_target_pg_log_entries() const
{
- // only check MOSDOp
- if (op->get_req()->get_type() != CEPH_MSG_OSD_OP)
- return true;
-
- const MOSDOp *req = static_cast<const MOSDOp*>(op->get_req());
-
- Session *session = static_cast<Session*>(req->get_connection()->get_priv());
- if (!session) {
- dout(0) << "op_has_sufficient_caps: no session for op " << *req << dendl;
- return false;
- }
- OSDCap& caps = session->caps;
- session->put();
-
- const string &key = req->get_hobj().get_key().empty() ?
- req->get_oid().name :
- req->get_hobj().get_key();
-
- bool cap = caps.is_capable(pool.name, req->get_hobj().nspace,
- pool.auid, key,
- op->need_read_cap(),
- op->need_write_cap(),
- op->classes());
-
- dout(20) << "op_has_sufficient_caps "
- << "session=" << session
- << " pool=" << pool.id << " (" << pool.name
- << " " << req->get_hobj().nspace
- << ") owner=" << pool.auid
- << " need_read_cap=" << op->need_read_cap()
- << " need_write_cap=" << op->need_write_cap()
- << " classes=" << op->classes()
- << " -> " << (cap ? "yes" : "NO")
- << dendl;
- return cap;
+ return osd->get_target_pg_log_entries();
}
-void PG::_activate_committed(epoch_t epoch, epoch_t activation_epoch)
+void PG::clear_publish_stats()
{
- lock();
- if (pg_has_reset_since(epoch)) {
- dout(10) << "_activate_committed " << epoch
- << ", that was an old interval" << dendl;
- } else if (is_primary()) {
- peer_activated.insert(pg_whoami);
- dout(10) << "_activate_committed " << epoch
- << " peer_activated now " << peer_activated
- << " last_interval_started " << info.history.last_interval_started
- << " last_epoch_started " << info.history.last_epoch_started
- << " same_interval_since " << info.history.same_interval_since << dendl;
- assert(!actingbackfill.empty());
- if (peer_activated.size() == actingbackfill.size())
- all_activated_and_committed();
- } else {
- dout(10) << "_activate_committed " << epoch << " telling primary" << dendl;
- MOSDPGInfo *m = new MOSDPGInfo(epoch);
- pg_notify_t i = pg_notify_t(
- get_primary().shard, pg_whoami.shard,
- get_osdmap()->get_epoch(),
- get_osdmap()->get_epoch(),
- info);
-
- i.info.history.last_epoch_started = activation_epoch;
- i.info.history.last_interval_started = i.info.history.same_interval_since;
- if (acting.size() >= pool.info.min_size) {
- state_set(PG_STATE_ACTIVE);
- } else {
- state_set(PG_STATE_PEERED);
- }
-
- m->pg_list.push_back(make_pair(i, PastIntervals()));
- osd->send_message_osd_cluster(get_primary().osd, m, get_osdmap()->get_epoch());
-
- // waiters
- if (flushes_in_progress == 0) {
- requeue_ops(waiting_for_peered);
- } else if (!waiting_for_peered.empty()) {
- dout(10) << __func__ << " flushes in progress, moving "
- << waiting_for_peered.size() << " items to waiting_for_flush"
- << dendl;
- assert(waiting_for_flush.empty());
- waiting_for_flush.swap(waiting_for_peered);
- }
- }
-
- assert(!dirty_info);
-
- unlock();
+ dout(15) << "clear_stats" << dendl;
+ std::lock_guard l{pg_stats_publish_lock};
+ pg_stats_publish.reset();
}
-/*
- * update info.history.last_epoch_started ONLY after we and all
- * replicas have activated AND committed the activate transaction
- * (i.e. the peering results are stable on disk).
+/**
+ * initialize a newly instantiated pg
+ *
+ * Initialize PG state, as when a PG is initially created, or when it
+ * is first instantiated on the current node.
+ *
+ * @param role our role/rank
+ * @param newup up set
+ * @param newacting acting set
+ * @param history pg history
+ * @param pi past_intervals
+ * @param backfill true if info should be marked as backfill
+ * @param t transaction to write out our new state in
*/
-void PG::all_activated_and_committed()
-{
- dout(10) << "all_activated_and_committed" << dendl;
- assert(is_primary());
- assert(peer_activated.size() == actingbackfill.size());
- assert(!actingbackfill.empty());
- assert(blocked_by.empty());
-
- // Degraded?
- _update_calc_stats();
- if (info.stats.stats.sum.num_objects_degraded) {
- state_set(PG_STATE_DEGRADED);
- } else {
- state_clear(PG_STATE_DEGRADED);
- }
-
- queue_peering_event(
- CephPeeringEvtRef(
- std::make_shared<CephPeeringEvt>(
- get_osdmap()->get_epoch(),
- get_osdmap()->get_epoch(),
- AllReplicasActivated())));
-}
-
-bool PG::requeue_scrub(bool high_priority)
-{
- assert(is_locked());
- if (scrub_queued) {
- dout(10) << __func__ << ": already queued" << dendl;
- return false;
- } else {
- dout(10) << __func__ << ": queueing" << dendl;
- scrub_queued = true;
- osd->queue_for_scrub(this, high_priority);
- return true;
- }
-}
-
-void PG::queue_recovery()
-{
- if (!is_primary() || !is_peered()) {
- dout(10) << "queue_recovery -- not primary or not peered " << dendl;
- assert(!recovery_queued);
- } else if (recovery_queued) {
- dout(10) << "queue_recovery -- already queued" << dendl;
- } else {
- dout(10) << "queue_recovery -- queuing" << dendl;
- recovery_queued = true;
- osd->queue_for_recovery(this);
- }
-}
-
-bool PG::queue_scrub()
+void PG::init(
+ int role,
+ const vector<int>& newup, int new_up_primary,
+ const vector<int>& newacting, int new_acting_primary,
+ const pg_history_t& history,
+ const PastIntervals& pi,
+ ObjectStore::Transaction &t)
{
- assert(is_locked());
- if (is_scrubbing()) {
- return false;
- }
- scrubber.priority = scrubber.must_scrub ?
- cct->_conf->osd_requested_scrub_priority : get_scrub_priority();
- scrubber.must_scrub = false;
- state_set(PG_STATE_SCRUBBING);
- if (scrubber.must_deep_scrub) {
- state_set(PG_STATE_DEEP_SCRUB);
- scrubber.must_deep_scrub = false;
- }
- if (scrubber.must_repair || scrubber.auto_repair) {
- state_set(PG_STATE_REPAIR);
- scrubber.must_repair = false;
- }
- requeue_scrub();
- return true;
+ recovery_state.init(
+ role, newup, new_up_primary, newacting,
+ new_acting_primary, history, pi, t);
}
-unsigned PG::get_scrub_priority()
+void PG::shutdown()
{
- // a higher value -> a higher priority
- int pool_scrub_priority = 0;
- pool.info.opts.get(pool_opts_t::SCRUB_PRIORITY, &pool_scrub_priority);
- return pool_scrub_priority > 0 ? pool_scrub_priority : cct->_conf->osd_scrub_priority;
+ ch->flush();
+ std::scoped_lock l{*this};
+ recovery_state.shutdown();
+ on_shutdown();
}
-struct C_PG_FinishRecovery : public Context {
- PGRef pg;
- explicit C_PG_FinishRecovery(PG *p) : pg(p) {}
- void finish(int r) override {
- pg->_finish_recovery(this);
- }
-};
+#pragma GCC diagnostic ignored "-Wpragmas"
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-void PG::mark_clean()
+void PG::upgrade(ObjectStore *store)
{
- if (actingset.size() == get_osdmap()->get_pg_size(info.pgid.pgid)) {
- state_clear(PG_STATE_FORCED_BACKFILL | PG_STATE_FORCED_RECOVERY);
- state_set(PG_STATE_CLEAN);
- info.history.last_epoch_clean = get_osdmap()->get_epoch();
- info.history.last_interval_clean = info.history.same_interval_since;
- past_intervals.clear();
- dirty_big_info = true;
- dirty_info = true;
- }
+ dout(0) << __func__ << " " << info_struct_v << " -> " << pg_latest_struct_v
+ << dendl;
+ ceph_assert(info_struct_v <= 10);
+ ObjectStore::Transaction t;
- kick_snap_trim();
-}
+ // <do upgrade steps here>
-void PG::_change_recovery_force_mode(int new_mode, bool clear)
-{
- if (!deleting) {
- // we can't and shouldn't do anything if the PG is being deleted locally
- if (clear) {
- state_clear(new_mode);
- } else {
- state_set(new_mode);
- }
- publish_stats_to_osd();
- }
-}
+ // finished upgrade!
+ ceph_assert(info_struct_v == 10);
-inline int PG::clamp_recovery_priority(int priority)
-{
- static_assert(OSD_RECOVERY_PRIORITY_MIN < OSD_RECOVERY_PRIORITY_MAX, "Invalid priority range");
- static_assert(OSD_RECOVERY_PRIORITY_MIN >= 0, "Priority range must match unsigned type");
-
- // Clamp to valid range
- if (priority > OSD_RECOVERY_PRIORITY_MAX) {
- return OSD_RECOVERY_PRIORITY_MAX;
- } else if (priority < OSD_RECOVERY_PRIORITY_MIN) {
- return OSD_RECOVERY_PRIORITY_MIN;
- } else {
- return priority;
+ // update infover_key
+ if (info_struct_v < pg_latest_struct_v) {
+ map<string,bufferlist> v;
+ __u8 ver = pg_latest_struct_v;
+ encode(ver, v[string(infover_key)]);
+ t.omap_setkeys(coll, pgmeta_oid, v);
}
-}
-unsigned PG::get_recovery_priority()
-{
- // a higher value -> a higher priority
- int ret = 0;
+ recovery_state.force_write_state(t);
- if (state & PG_STATE_FORCED_RECOVERY) {
- ret = OSD_RECOVERY_PRIORITY_FORCED;
- } else {
- pool.info.opts.get(pool_opts_t::RECOVERY_PRIORITY, &ret);
- ret = clamp_recovery_priority(OSD_RECOVERY_PRIORITY_BASE + ret);
+ ObjectStore::CollectionHandle ch = store->open_collection(coll);
+ int r = store->queue_transaction(ch, std::move(t));
+ if (r != 0) {
+ derr << __func__ << ": queue_transaction returned "
+ << cpp_strerror(r) << dendl;
+ ceph_abort();
}
- dout(20) << __func__ << " recovery priority for " << *this << " is " << ret << ", state is " << state << dendl;
- return static_cast<unsigned>(ret);
-}
-
-unsigned PG::get_backfill_priority()
-{
- // a higher value -> a higher priority
- int ret = OSD_BACKFILL_PRIORITY_BASE;
- if (state & PG_STATE_FORCED_BACKFILL) {
- ret = OSD_RECOVERY_PRIORITY_FORCED;
- } else {
- if (acting.size() < pool.info.min_size) {
- // inactive: no. of replicas < min_size, highest priority since it blocks IO
- ret = OSD_BACKFILL_INACTIVE_PRIORITY_BASE + (pool.info.min_size - acting.size());
-
- } else if (is_undersized()) {
- // undersized: OSD_BACKFILL_DEGRADED_PRIORITY_BASE + num missing replicas
- assert(pool.info.size > actingset.size());
- ret = OSD_BACKFILL_DEGRADED_PRIORITY_BASE + (pool.info.size - actingset.size());
-
- } else if (is_degraded()) {
- // degraded: baseline degraded
- ret = OSD_BACKFILL_DEGRADED_PRIORITY_BASE;
- }
-
- // Adjust with pool's recovery priority
- int pool_recovery_priority = 0;
- pool.info.opts.get(pool_opts_t::RECOVERY_PRIORITY, &pool_recovery_priority);
+ ceph_assert(r == 0);
- ret = clamp_recovery_priority(pool_recovery_priority + ret);
+ C_SaferCond waiter;
+ if (!ch->flush_commit(&waiter)) {
+ waiter.wait();
}
-
- return static_cast<unsigned>(ret);
}
-void PG::finish_recovery(list<Context*>& tfin)
-{
- dout(10) << "finish_recovery" << dendl;
- assert(info.last_complete == info.last_update);
-
- clear_recovery_state();
-
- /*
- * sync all this before purging strays. but don't block!
- */
- finish_sync_event = new C_PG_FinishRecovery(this);
- tfin.push_back(finish_sync_event);
-}
+#pragma GCC diagnostic pop
+#pragma GCC diagnostic warning "-Wpragmas"
-void PG::_finish_recovery(Context *c)
+void PG::prepare_write(
+ pg_info_t &info,
+ pg_info_t &last_written_info,
+ PastIntervals &past_intervals,
+ PGLog &pglog,
+ bool dirty_info,
+ bool dirty_big_info,
+ bool need_write_epoch,
+ ObjectStore::Transaction &t)
{
- lock();
- if (deleting) {
- unlock();
- return;
- }
- if (c == finish_sync_event) {
- dout(10) << "_finish_recovery" << dendl;
- finish_sync_event = 0;
- purge_strays();
-
- publish_stats_to_osd();
-
- if (scrub_after_recovery) {
- dout(10) << "_finish_recovery requeueing for scrub" << dendl;
- scrub_after_recovery = false;
- scrubber.must_deep_scrub = true;
- queue_scrub();
- }
- } else {
- dout(10) << "_finish_recovery -- stale" << dendl;
- }
- unlock();
-}
-
-void PG::start_recovery_op(const hobject_t& soid)
-{
- dout(10) << "start_recovery_op " << soid
-#ifdef DEBUG_RECOVERY_OIDS
- << " (" << recovering_oids << ")"
-#endif
- << dendl;
- assert(recovery_ops_active >= 0);
- recovery_ops_active++;
-#ifdef DEBUG_RECOVERY_OIDS
- assert(recovering_oids.count(soid) == 0);
- recovering_oids.insert(soid);
-#endif
- osd->start_recovery_op(this, soid);
-}
-
-void PG::finish_recovery_op(const hobject_t& soid, bool dequeue)
-{
- dout(10) << "finish_recovery_op " << soid
-#ifdef DEBUG_RECOVERY_OIDS
- << " (" << recovering_oids << ")"
-#endif
- << dendl;
- assert(recovery_ops_active > 0);
- recovery_ops_active--;
-#ifdef DEBUG_RECOVERY_OIDS
- assert(recovering_oids.count(soid));
- recovering_oids.erase(soid);
-#endif
- osd->finish_recovery_op(this, soid, dequeue);
-
- if (!dequeue) {
- queue_recovery();
- }
-}
-
-void PG::split_into(pg_t child_pgid, PG *child, unsigned split_bits)
-{
- child->update_snap_mapper_bits(split_bits);
- child->update_osdmap_ref(get_osdmap());
-
- child->pool = pool;
-
- // Log
- pg_log.split_into(child_pgid, split_bits, &(child->pg_log));
- child->info.last_complete = info.last_complete;
-
- info.last_update = pg_log.get_head();
- child->info.last_update = child->pg_log.get_head();
-
- child->info.last_user_version = info.last_user_version;
-
- info.log_tail = pg_log.get_tail();
- child->info.log_tail = child->pg_log.get_tail();
-
- if (info.last_complete < pg_log.get_tail())
- info.last_complete = pg_log.get_tail();
- if (child->info.last_complete < child->pg_log.get_tail())
- child->info.last_complete = child->pg_log.get_tail();
-
- // Info
- child->info.history = info.history;
- child->info.history.epoch_created = get_osdmap()->get_epoch();
- child->info.purged_snaps = info.purged_snaps;
-
- if (info.last_backfill.is_max()) {
- child->info.set_last_backfill(hobject_t::get_max());
- } else {
- // restart backfill on parent and child to be safe. we could
- // probably do better in the bitwise sort case, but it's more
- // fragile (there may be special work to do on backfill completion
- // in the future).
- info.set_last_backfill(hobject_t());
- child->info.set_last_backfill(hobject_t());
- // restarting backfill implies that the missing set is empty,
- // since it is only used for objects prior to last_backfill
- pg_log.reset_backfill();
- child->pg_log.reset_backfill();
- }
-
- child->info.stats = info.stats;
- child->info.stats.parent_split_bits = split_bits;
- info.stats.stats_invalid = true;
- child->info.stats.stats_invalid = true;
- child->info.last_epoch_started = info.last_epoch_started;
- child->info.last_interval_started = info.last_interval_started;
-
- child->snap_trimq = snap_trimq;
-
- // There can't be recovery/backfill going on now
- int primary, up_primary;
- vector<int> newup, newacting;
- get_osdmap()->pg_to_up_acting_osds(
- child->info.pgid.pgid, &newup, &up_primary, &newacting, &primary);
- child->init_primary_up_acting(
- newup,
- newacting,
- up_primary,
- primary);
- child->role = OSDMap::calc_pg_role(osd->whoami, child->acting);
-
- // this comparison includes primary rank via pg_shard_t
- if (get_primary() != child->get_primary())
- child->info.history.same_primary_since = get_osdmap()->get_epoch();
-
- child->info.stats.up = up;
- child->info.stats.up_primary = up_primary;
- child->info.stats.acting = acting;
- child->info.stats.acting_primary = primary;
- child->info.stats.mapping_epoch = get_osdmap()->get_epoch();
-
- // History
- child->past_intervals = past_intervals;
-
- _split_into(child_pgid, child, split_bits);
-
- // release all backoffs for simplicity
- release_backoffs(hobject_t(), hobject_t::get_max());
-
- child->on_new_interval();
-
- child->dirty_info = true;
- child->dirty_big_info = true;
- dirty_info = true;
- dirty_big_info = true;
-}
-
-void PG::add_backoff(SessionRef s, const hobject_t& begin, const hobject_t& end)
-{
- ConnectionRef con = s->con;
- if (!con) // OSD::ms_handle_reset clears s->con without a lock
- return;
- BackoffRef b(s->have_backoff(info.pgid, begin));
- if (b) {
- derr << __func__ << " already have backoff for " << s << " begin " << begin
- << " " << *b << dendl;
- ceph_abort();
- }
- Mutex::Locker l(backoff_lock);
- {
- b = new Backoff(info.pgid, this, s, ++s->backoff_seq, begin, end);
- backoffs[begin].insert(b);
- s->add_backoff(b);
- dout(10) << __func__ << " session " << s << " added " << *b << dendl;
- }
- con->send_message(
- new MOSDBackoff(
- info.pgid,
- get_osdmap()->get_epoch(),
- CEPH_OSD_BACKOFF_OP_BLOCK,
- b->id,
- begin,
- end));
-}
-
-void PG::release_backoffs(const hobject_t& begin, const hobject_t& end)
-{
- dout(10) << __func__ << " [" << begin << "," << end << ")" << dendl;
- vector<BackoffRef> bv;
- {
- Mutex::Locker l(backoff_lock);
- auto p = backoffs.lower_bound(begin);
- while (p != backoffs.end()) {
- int r = cmp(p->first, end);
- dout(20) << __func__ << " ? " << r << " " << p->first
- << " " << p->second << dendl;
- // note: must still examine begin=end=p->first case
- if (r > 0 || (r == 0 && begin < end)) {
- break;
- }
- dout(20) << __func__ << " checking " << p->first
- << " " << p->second << dendl;
- auto q = p->second.begin();
- while (q != p->second.end()) {
- dout(20) << __func__ << " checking " << *q << dendl;
- int r = cmp((*q)->begin, begin);
- if (r == 0 || (r > 0 && (*q)->end < end)) {
- bv.push_back(*q);
- q = p->second.erase(q);
- } else {
- ++q;
- }
- }
- if (p->second.empty()) {
- p = backoffs.erase(p);
- } else {
- ++p;
- }
- }
- }
- for (auto b : bv) {
- Mutex::Locker l(b->lock);
- dout(10) << __func__ << " " << *b << dendl;
- if (b->session) {
- assert(b->pg == this);
- ConnectionRef con = b->session->con;
- if (con) { // OSD::ms_handle_reset clears s->con without a lock
- con->send_message(
- new MOSDBackoff(
- info.pgid,
- get_osdmap()->get_epoch(),
- CEPH_OSD_BACKOFF_OP_UNBLOCK,
- b->id,
- b->begin,
- b->end));
- }
- if (b->is_new()) {
- b->state = Backoff::STATE_DELETING;
- } else {
- b->session->rm_backoff(b);
- b->session.reset();
- }
- b->pg.reset();
- }
- }
-}
-
-void PG::clear_backoffs()
-{
- dout(10) << __func__ << " " << dendl;
- map<hobject_t,set<BackoffRef>> ls;
- {
- Mutex::Locker l(backoff_lock);
- ls.swap(backoffs);
- }
- for (auto& p : ls) {
- for (auto& b : p.second) {
- Mutex::Locker l(b->lock);
- dout(10) << __func__ << " " << *b << dendl;
- if (b->session) {
- assert(b->pg == this);
- if (b->is_new()) {
- b->state = Backoff::STATE_DELETING;
- } else {
- b->session->rm_backoff(b);
- b->session.reset();
- }
- b->pg.reset();
- }
- }
- }
-}
-
-// called by Session::clear_backoffs()
-void PG::rm_backoff(BackoffRef b)
-{
- dout(10) << __func__ << " " << *b << dendl;
- Mutex::Locker l(backoff_lock);
- assert(b->lock.is_locked_by_me());
- assert(b->pg == this);
- auto p = backoffs.find(b->begin);
- // may race with release_backoffs()
- if (p != backoffs.end()) {
- auto q = p->second.find(b);
- if (q != p->second.end()) {
- p->second.erase(q);
- if (p->second.empty()) {
- backoffs.erase(p);
- }
- }
- }
-}
-
-void PG::clear_recovery_state()
-{
- dout(10) << "clear_recovery_state" << dendl;
-
- pg_log.reset_recovery_pointers();
- finish_sync_event = 0;
-
- hobject_t soid;
- while (recovery_ops_active > 0) {
-#ifdef DEBUG_RECOVERY_OIDS
- soid = *recovering_oids.begin();
-#endif
- finish_recovery_op(soid, true);
- }
-
- backfill_targets.clear();
- backfill_info.clear();
- peer_backfill_info.clear();
- waiting_on_backfill.clear();
- _clear_recovery_state(); // pg impl specific hook
-}
-
-void PG::cancel_recovery()
-{
- dout(10) << "cancel_recovery" << dendl;
- clear_recovery_state();
-}
-
-
-void PG::purge_strays()
-{
- dout(10) << "purge_strays " << stray_set << dendl;
-
- bool removed = false;
- for (set<pg_shard_t>::iterator p = stray_set.begin();
- p != stray_set.end();
- ++p) {
- assert(!is_actingbackfill(*p));
- if (get_osdmap()->is_up(p->osd)) {
- dout(10) << "sending PGRemove to osd." << *p << dendl;
- vector<spg_t> to_remove;
- to_remove.push_back(spg_t(info.pgid.pgid, p->shard));
- MOSDPGRemove *m = new MOSDPGRemove(
- get_osdmap()->get_epoch(),
- to_remove);
- osd->send_message_osd_cluster(p->osd, m, get_osdmap()->get_epoch());
- } else {
- dout(10) << "not sending PGRemove to down osd." << *p << dendl;
- }
- peer_missing.erase(*p);
- peer_info.erase(*p);
- peer_purged.insert(*p);
- removed = true;
- }
-
- // if we removed anyone, update peers (which include peer_info)
- if (removed)
- update_heartbeat_peers();
-
- stray_set.clear();
-
- // clear _requested maps; we may have to peer() again if we discover
- // (more) stray content
- peer_log_requested.clear();
- peer_missing_requested.clear();
-}
-
-void PG::set_probe_targets(const set<pg_shard_t> &probe_set)
-{
- Mutex::Locker l(heartbeat_peer_lock);
- probe_targets.clear();
- for (set<pg_shard_t>::iterator i = probe_set.begin();
- i != probe_set.end();
- ++i) {
- probe_targets.insert(i->osd);
- }
-}
-
-void PG::clear_probe_targets()
-{
- Mutex::Locker l(heartbeat_peer_lock);
- probe_targets.clear();
-}
-
-void PG::update_heartbeat_peers()
-{
- assert(is_locked());
-
- if (!is_primary())
- return;
-
- set<int> new_peers;
- for (unsigned i=0; i<acting.size(); i++) {
- if (acting[i] != CRUSH_ITEM_NONE)
- new_peers.insert(acting[i]);
- }
- for (unsigned i=0; i<up.size(); i++) {
- if (up[i] != CRUSH_ITEM_NONE)
- new_peers.insert(up[i]);
- }
- for (map<pg_shard_t,pg_info_t>::iterator p = peer_info.begin();
- p != peer_info.end();
- ++p)
- new_peers.insert(p->first.osd);
-
- bool need_update = false;
- heartbeat_peer_lock.Lock();
- if (new_peers == heartbeat_peers) {
- dout(10) << "update_heartbeat_peers " << heartbeat_peers << " unchanged" << dendl;
- } else {
- dout(10) << "update_heartbeat_peers " << heartbeat_peers << " -> " << new_peers << dendl;
- heartbeat_peers.swap(new_peers);
- need_update = true;
- }
- heartbeat_peer_lock.Unlock();
-
- if (need_update)
- osd->need_heartbeat_peer_update();
-}
-
-
-bool PG::check_in_progress_op(
- const osd_reqid_t &r,
- eversion_t *version,
- version_t *user_version,
- int *return_code) const
-{
- return (
- projected_log.get_request(r, version, user_version, return_code) ||
- pg_log.get_log().get_request(r, version, user_version, return_code));
-}
-
-static bool find_shard(const set<pg_shard_t> & pgs, shard_id_t shard)
-{
- for (auto&p : pgs)
- if (p.shard == shard)
- return true;
- return false;
-}
-
-static pg_shard_t get_another_shard(const set<pg_shard_t> & pgs, pg_shard_t skip, shard_id_t shard)
-{
- for (auto&p : pgs) {
- if (p == skip)
- continue;
- if (p.shard == shard)
- return p;
- }
- return pg_shard_t();
-}
-
-void PG::_update_calc_stats()
-{
- info.stats.version = info.last_update;
- info.stats.created = info.history.epoch_created;
- info.stats.last_scrub = info.history.last_scrub;
- info.stats.last_scrub_stamp = info.history.last_scrub_stamp;
- info.stats.last_deep_scrub = info.history.last_deep_scrub;
- info.stats.last_deep_scrub_stamp = info.history.last_deep_scrub_stamp;
- info.stats.last_clean_scrub_stamp = info.history.last_clean_scrub_stamp;
- info.stats.last_epoch_clean = info.history.last_epoch_clean;
-
- info.stats.log_size = pg_log.get_head().version - pg_log.get_tail().version;
- info.stats.ondisk_log_size = info.stats.log_size;
- info.stats.log_start = pg_log.get_tail();
- info.stats.ondisk_log_start = pg_log.get_tail();
- info.stats.snaptrimq_len = snap_trimq.size();
-
- unsigned num_shards = get_osdmap()->get_pg_size(info.pgid.pgid);
-
- // In rare case that upset is too large (usually transient), use as target
- // for calculations below.
- unsigned target = std::max(num_shards, (unsigned)upset.size());
- // For undersized actingset may be larger with OSDs out
- unsigned nrep = std::max(actingset.size(), upset.size());
- // calc num_object_copies
- info.stats.stats.calc_copies(MAX(target, nrep));
- info.stats.stats.sum.num_objects_degraded = 0;
- info.stats.stats.sum.num_objects_unfound = 0;
- info.stats.stats.sum.num_objects_misplaced = 0;
-
- if ((is_remapped() || is_undersized() || !is_clean()) && (is_peered() || is_activating())) {
- dout(20) << __func__ << " actingset " << actingset << " upset "
- << upset << " actingbackfill " << actingbackfill << dendl;
- dout(20) << __func__ << " acting " << acting << " up " << up << dendl;
-
- assert(!actingbackfill.empty());
-
- bool estimate = false;
-
- // NOTE: we only generate degraded, misplaced and unfound
- // values for the summation, not individual stat categories.
- int64_t num_objects = info.stats.stats.sum.num_objects;
-
- // Objects missing from up nodes, sorted by # objects.
- boost::container::flat_set<pair<int64_t,pg_shard_t>> missing_target_objects;
- // Objects missing from nodes not in up, sort by # objects
- boost::container::flat_set<pair<int64_t,pg_shard_t>> acting_source_objects;
-
- // Fill missing_target_objects/acting_source_objects
-
- {
- int64_t missing;
-
- // Primary first
- missing = pg_log.get_missing().num_missing();
- assert(actingbackfill.count(pg_whoami));
- if (upset.count(pg_whoami)) {
- missing_target_objects.insert(make_pair(missing, pg_whoami));
- } else {
- acting_source_objects.insert(make_pair(missing, pg_whoami));
- }
- info.stats.stats.sum.num_objects_missing_on_primary = missing;
- dout(20) << __func__ << " shard " << pg_whoami
- << " primary objects " << num_objects
- << " missing " << missing
- << dendl;
-
- }
-
- // All other peers
- for (auto& peer : peer_info) {
- // Primary should not be in the peer_info, skip if it is.
- if (peer.first == pg_whoami) continue;
- int64_t missing = 0;
- int64_t peer_num_objects = peer.second.stats.stats.sum.num_objects;
- // Backfill targets always track num_objects accurately
- // all other peers track missing accurately.
- if (is_backfill_targets(peer.first)) {
- missing = std::max((int64_t)0, num_objects - peer_num_objects);
- } else {
- if (peer_missing.count(peer.first)) {
- missing = peer_missing[peer.first].num_missing();
- } else {
- dout(20) << __func__ << " no peer_missing found for " << peer.first << dendl;
- if (is_recovering()) {
- estimate = true;
- }
- missing = std::max((int64_t)0, num_objects - peer_num_objects);
- }
- }
- if (upset.count(peer.first)) {
- missing_target_objects.insert(make_pair(missing, peer.first));
- } else if (actingset.count(peer.first)) {
- acting_source_objects.insert(make_pair(missing, peer.first));
- }
- peer.second.stats.stats.sum.num_objects_missing = missing;
- dout(20) << __func__ << " shard " << peer.first
- << " objects " << peer_num_objects
- << " missing " << missing
- << dendl;
- }
-
- // A misplaced object is not stored on the correct OSD
- int64_t misplaced = 0;
- // a degraded objects has fewer replicas or EC shards than the pool specifies.
- int64_t degraded = 0;
-
- if (is_recovering()) {
- for (auto& sml: missing_loc.get_missing_by_count()) {
- for (auto& ml: sml.second) {
- int missing_shards;
- if (sml.first == shard_id_t::NO_SHARD) {
- dout(0) << __func__ << " ml " << ml.second << " upset size " << upset.size() << " up " << ml.first.up << dendl;
- missing_shards = (int)upset.size() - ml.first.up;
- } else {
- // Handle shards not even in upset below
- if (!find_shard(upset, sml.first))
- continue;
- missing_shards = std::max(0, 1 - ml.first.up);
- dout(0) << __func__ << " shard " << sml.first << " ml " << ml.second << " missing shards " << missing_shards << dendl;
- }
- int odegraded = ml.second * missing_shards;
- // Copies on other osds but limited to the possible degraded
- int more_osds = std::min(missing_shards, ml.first.other);
- int omisplaced = ml.second * more_osds;
- assert(omisplaced <= odegraded);
- odegraded -= omisplaced;
-
- misplaced += omisplaced;
- degraded += odegraded;
- }
- }
-
- dout(20) << __func__ << " missing based degraded " << degraded << dendl;
- dout(20) << __func__ << " missing based misplaced " << misplaced << dendl;
-
- // Handle undersized case
- if (pool.info.is_replicated()) {
- // Add degraded for missing targets (num_objects missing)
- assert(target >= upset.size());
- unsigned needed = target - upset.size();
- degraded += num_objects * needed;
- } else {
- for (unsigned i = 0 ; i < num_shards; ++i) {
- shard_id_t shard(i);
-
- if (!find_shard(upset, shard)) {
- pg_shard_t pgs = get_another_shard(actingset, pg_shard_t(), shard);
-
- if (pgs != pg_shard_t()) {
- int64_t missing;
-
- if (pgs == pg_whoami)
- missing = info.stats.stats.sum.num_objects_missing_on_primary;
- else
- missing = peer_info[pgs].stats.stats.sum.num_objects_missing;
-
- degraded += missing;
- misplaced += std::max((int64_t)0, num_objects - missing);
- } else {
- // No shard anywhere
- degraded += num_objects;
- }
- }
- }
- }
- goto out;
- }
-
- // Handle undersized case
- if (pool.info.is_replicated()) {
- // Add to missing_target_objects
- assert(target >= missing_target_objects.size());
- unsigned needed = target - missing_target_objects.size();
- if (needed)
- missing_target_objects.insert(make_pair(num_objects * needed, pg_shard_t(pg_shard_t::NO_OSD)));
- } else {
- for (unsigned i = 0 ; i < num_shards; ++i) {
- shard_id_t shard(i);
- bool found = false;
- for (const auto& t : missing_target_objects) {
- if (std::get<1>(t).shard == shard) {
- found = true;
- break;
- }
- }
- if (!found)
- missing_target_objects.insert(make_pair(num_objects, pg_shard_t(pg_shard_t::NO_OSD,shard)));
- }
- }
-
- for (const auto& item : missing_target_objects)
- dout(20) << __func__ << " missing shard " << std::get<1>(item) << " missing= " << std::get<0>(item) << dendl;
- for (const auto& item : acting_source_objects)
- dout(20) << __func__ << " acting shard " << std::get<1>(item) << " missing= " << std::get<0>(item) << dendl;
-
- // Handle all objects not in missing for remapped
- // or backfill
- for (auto m = missing_target_objects.rbegin();
- m != missing_target_objects.rend(); ++m) {
-
- int64_t extra_missing = -1;
-
- if (pool.info.is_replicated()) {
- if (!acting_source_objects.empty()) {
- auto extra_copy = acting_source_objects.begin();
- extra_missing = std::get<0>(*extra_copy);
- acting_source_objects.erase(extra_copy);
- }
- } else { // Erasure coded
- // Use corresponding shard
- for (const auto& a : acting_source_objects) {
- if (std::get<1>(a).shard == std::get<1>(*m).shard) {
- extra_missing = std::get<0>(a);
- acting_source_objects.erase(a);
- break;
- }
- }
- }
-
- if (extra_missing >= 0 && std::get<0>(*m) >= extra_missing) {
- // We don't know which of the objects on the target
- // are part of extra_missing so assume are all degraded.
- misplaced += std::get<0>(*m) - extra_missing;
- degraded += extra_missing;
- } else {
- // 1. extra_missing == -1, more targets than sources so degraded
- // 2. extra_missing > std::get<0>(m), so that we know that some extra_missing
- // previously degraded are now present on the target.
- degraded += std::get<0>(*m);
- }
- }
- // If there are still acting that haven't been accounted for
- // then they are misplaced
- for (const auto& a : acting_source_objects) {
- int64_t extra_misplaced = std::max((int64_t)0, num_objects - std::get<0>(a));
- dout(20) << __func__ << " extra acting misplaced " << extra_misplaced << dendl;
- misplaced += extra_misplaced;
- }
-out:
- // NOTE: Tests use these messages to verify this code
- dout(20) << __func__ << " degraded " << degraded << (estimate ? " (est)": "") << dendl;
- dout(20) << __func__ << " misplaced " << misplaced << (estimate ? " (est)": "")<< dendl;
-
- info.stats.stats.sum.num_objects_degraded = degraded;
- info.stats.stats.sum.num_objects_unfound = get_num_unfound();
- info.stats.stats.sum.num_objects_misplaced = misplaced;
- }
-}
-
-void PG::_update_blocked_by()
-{
- // set a max on the number of blocking peers we report. if we go
- // over, report a random subset. keep the result sorted.
- unsigned keep = MIN(blocked_by.size(), cct->_conf->osd_max_pg_blocked_by);
- unsigned skip = blocked_by.size() - keep;
- info.stats.blocked_by.clear();
- info.stats.blocked_by.resize(keep);
- unsigned pos = 0;
- for (set<int>::iterator p = blocked_by.begin();
- p != blocked_by.end() && keep > 0;
- ++p) {
- if (skip > 0 && (rand() % (skip + keep) < skip)) {
- --skip;
- } else {
- info.stats.blocked_by[pos++] = *p;
- --keep;
- }
- }
-}
-
-void PG::publish_stats_to_osd()
-{
- if (!is_primary())
- return;
-
- pg_stats_publish_lock.Lock();
-
- if (info.stats.stats.sum.num_scrub_errors)
- state_set(PG_STATE_INCONSISTENT);
- else
- state_clear(PG_STATE_INCONSISTENT);
-
- utime_t now = ceph_clock_now();
- if (info.stats.state != state) {
- info.stats.last_change = now;
- // Optimistic estimation, if we just find out an inactive PG,
- // assumt it is active till now.
- if (!(state & PG_STATE_ACTIVE) &&
- (info.stats.state & PG_STATE_ACTIVE))
- info.stats.last_active = now;
-
- if ((state & PG_STATE_ACTIVE) &&
- !(info.stats.state & PG_STATE_ACTIVE))
- info.stats.last_became_active = now;
- if ((state & (PG_STATE_ACTIVE|PG_STATE_PEERED)) &&
- !(info.stats.state & (PG_STATE_ACTIVE|PG_STATE_PEERED)))
- info.stats.last_became_peered = now;
- if (!(state & PG_STATE_CREATING) &&
- (info.stats.state & PG_STATE_CREATING)) {
- osd->send_pg_created(get_pgid().pgid);
- }
- info.stats.state = state;
- }
-
- _update_calc_stats();
- if (info.stats.stats.sum.num_objects_degraded) {
- state_set(PG_STATE_DEGRADED);
- } else {
- state_clear(PG_STATE_DEGRADED);
- }
- _update_blocked_by();
-
- bool publish = false;
- pg_stat_t pre_publish = info.stats;
- pre_publish.stats.add(unstable_stats);
- utime_t cutoff = now;
- cutoff -= cct->_conf->osd_pg_stat_report_interval_max;
- if (pg_stats_publish_valid && pre_publish == pg_stats_publish &&
- info.stats.last_fresh > cutoff) {
- dout(15) << "publish_stats_to_osd " << pg_stats_publish.reported_epoch
- << ": no change since " << info.stats.last_fresh << dendl;
- } else {
- // update our stat summary and timestamps
- info.stats.reported_epoch = get_osdmap()->get_epoch();
- ++info.stats.reported_seq;
-
- info.stats.last_fresh = now;
-
- if (info.stats.state & PG_STATE_CLEAN)
- info.stats.last_clean = now;
- if (info.stats.state & PG_STATE_ACTIVE)
- info.stats.last_active = now;
- if (info.stats.state & (PG_STATE_ACTIVE|PG_STATE_PEERED))
- info.stats.last_peered = now;
- info.stats.last_unstale = now;
- if ((info.stats.state & PG_STATE_DEGRADED) == 0)
- info.stats.last_undegraded = now;
- if ((info.stats.state & PG_STATE_UNDERSIZED) == 0)
- info.stats.last_fullsized = now;
-
- // do not send pgstat to mon anymore once we are luminous, since mgr takes
- // care of this by sending MMonMgrReport to mon.
- publish =
- osd->osd->get_osdmap()->require_osd_release < CEPH_RELEASE_LUMINOUS;
- pg_stats_publish_valid = true;
- pg_stats_publish = pre_publish;
-
- dout(15) << "publish_stats_to_osd " << pg_stats_publish.reported_epoch
- << ":" << pg_stats_publish.reported_seq << dendl;
- }
- pg_stats_publish_lock.Unlock();
-
- if (publish)
- osd->pg_stat_queue_enqueue(this);
-}
-
-void PG::clear_publish_stats()
-{
- dout(15) << "clear_stats" << dendl;
- pg_stats_publish_lock.Lock();
- pg_stats_publish_valid = false;
- pg_stats_publish_lock.Unlock();
-
- osd->pg_stat_queue_dequeue(this);
-}
-
-/**
- * initialize a newly instantiated pg
- *
- * Initialize PG state, as when a PG is initially created, or when it
- * is first instantiated on the current node.
- *
- * @param role our role/rank
- * @param newup up set
- * @param newacting acting set
- * @param history pg history
- * @param pi past_intervals
- * @param backfill true if info should be marked as backfill
- * @param t transaction to write out our new state in
- */
-void PG::init(
- int role,
- const vector<int>& newup, int new_up_primary,
- const vector<int>& newacting, int new_acting_primary,
- const pg_history_t& history,
- const PastIntervals& pi,
- bool backfill,
- ObjectStore::Transaction *t)
-{
- dout(10) << "init role " << role << " up " << newup << " acting " << newacting
- << " history " << history
- << " past_intervals " << pi
- << dendl;
-
- set_role(role);
- acting = newacting;
- up = newup;
- init_primary_up_acting(
- newup,
- newacting,
- new_up_primary,
- new_acting_primary);
-
- info.history = history;
- past_intervals = pi;
-
- info.stats.up = up;
- info.stats.up_primary = new_up_primary;
- info.stats.acting = acting;
- info.stats.acting_primary = new_acting_primary;
- info.stats.mapping_epoch = info.history.same_interval_since;
-
- if (backfill) {
- dout(10) << __func__ << ": Setting backfill" << dendl;
- info.set_last_backfill(hobject_t());
- info.last_complete = info.last_update;
- pg_log.mark_log_for_rewrite();
- }
-
- on_new_interval();
-
- dirty_info = true;
- dirty_big_info = true;
- write_if_dirty(*t);
-}
-
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-
-void PG::upgrade(ObjectStore *store)
-{
- assert(info_struct_v <= 10);
- ObjectStore::Transaction t;
-
- assert(info_struct_v >= 7);
-
- // 7 -> 8
- if (info_struct_v <= 7) {
- pg_log.mark_log_for_rewrite();
- ghobject_t log_oid(OSD::make_pg_log_oid(pg_id));
- ghobject_t biginfo_oid(OSD::make_pg_biginfo_oid(pg_id));
- t.remove(coll_t::meta(), log_oid);
- t.remove(coll_t::meta(), biginfo_oid);
- t.touch(coll, pgmeta_oid);
- }
-
- // 8 -> 9
- if (info_struct_v <= 8) {
- // no special action needed.
- }
-
- // 9 -> 10
- if (info_struct_v <= 9) {
- // previous versions weren't (as) aggressively clearing past_intervals
- if (info.history.last_epoch_clean >= info.history.same_interval_since) {
- dout(20) << __func__ << " clearing past_intervals" << dendl;
- past_intervals.clear();
- }
- }
-
- // update infover_key
- if (info_struct_v < cur_struct_v) {
- map<string,bufferlist> v;
- __u8 ver = cur_struct_v;
- ::encode(ver, v[infover_key]);
- t.omap_setkeys(coll, pgmeta_oid, v);
- }
-
- dirty_info = true;
- dirty_big_info = true;
- write_if_dirty(t);
-
- ceph::shared_ptr<ObjectStore::Sequencer> osr (std::make_shared<
- ObjectStore::Sequencer>("upgrade"));
- int r = store->apply_transaction(osr.get(), std::move(t));
- if (r != 0) {
- derr << __func__ << ": apply_transaction returned "
- << cpp_strerror(r) << dendl;
- ceph_abort();
- }
- assert(r == 0);
-
- C_SaferCond waiter;
- if (!osr->flush_commit(&waiter)) {
- waiter.wait();
- }
-}
-
-#pragma GCC diagnostic pop
-#pragma GCC diagnostic warning "-Wpragmas"
-
-int PG::_prepare_write_info(CephContext* cct,
- map<string,bufferlist> *km,
- epoch_t epoch,
- pg_info_t &info, pg_info_t &last_written_info,
- PastIntervals &past_intervals,
- bool dirty_big_info,
- bool dirty_epoch,
- bool try_fast_info,
- PerfCounters *logger)
-{
- if (dirty_epoch) {
- ::encode(epoch, (*km)[epoch_key]);
- }
-
- if (logger)
- logger->inc(l_osd_pg_info);
-
- // try to do info efficiently?
- if (!dirty_big_info && try_fast_info &&
- info.last_update > last_written_info.last_update) {
- pg_fast_info_t fast;
- fast.populate_from(info);
- bool did = fast.try_apply_to(&last_written_info);
- assert(did); // we verified last_update increased above
- if (info == last_written_info) {
- ::encode(fast, (*km)[fastinfo_key]);
- if (logger)
- logger->inc(l_osd_pg_fastinfo);
- return 0;
- }
- generic_dout(30) << __func__ << " fastinfo failed, info:\n";
- {
- JSONFormatter jf(true);
- jf.dump_object("info", info);
- jf.flush(*_dout);
- }
- {
- *_dout << "\nlast_written_info:\n";
- JSONFormatter jf(true);
- jf.dump_object("last_written_info", last_written_info);
- jf.flush(*_dout);
- }
- *_dout << dendl;
- }
- last_written_info = info;
-
- // info. store purged_snaps separately.
- interval_set<snapid_t> purged_snaps;
- purged_snaps.swap(info.purged_snaps);
- ::encode(info, (*km)[info_key]);
- purged_snaps.swap(info.purged_snaps);
-
- if (dirty_big_info) {
- // potentially big stuff
- bufferlist& bigbl = (*km)[biginfo_key];
- ::encode(past_intervals, bigbl);
- ::encode(info.purged_snaps, bigbl);
- //dout(20) << "write_info bigbl " << bigbl.length() << dendl;
- if (logger)
- logger->inc(l_osd_pg_biginfo);
- }
-
- return 0;
-}
-
-void PG::_create(ObjectStore::Transaction& t, spg_t pgid, int bits)
-{
- coll_t coll(pgid);
- t.create_collection(coll, bits);
-}
-
-void PG::_init(ObjectStore::Transaction& t, spg_t pgid, const pg_pool_t *pool)
-{
- coll_t coll(pgid);
-
- if (pool) {
- // Give a hint to the PG collection
- bufferlist hint;
- uint32_t pg_num = pool->get_pg_num();
- uint64_t expected_num_objects_pg = pool->expected_num_objects / pg_num;
- ::encode(pg_num, hint);
- ::encode(expected_num_objects_pg, hint);
- uint32_t hint_type = ObjectStore::Transaction::COLL_HINT_EXPECTED_NUM_OBJECTS;
- t.collection_hint(coll, hint_type, hint);
- }
-
- ghobject_t pgmeta_oid(pgid.make_pgmeta_oid());
- t.touch(coll, pgmeta_oid);
- map<string,bufferlist> values;
- __u8 struct_v = cur_struct_v;
- ::encode(struct_v, values[infover_key]);
- t.omap_setkeys(coll, pgmeta_oid, values);
-}
-
-void PG::prepare_write_info(map<string,bufferlist> *km)
-{
- info.stats.stats.add(unstable_stats);
- unstable_stats.clear();
-
- bool need_update_epoch = last_epoch < get_osdmap()->get_epoch();
- int ret = _prepare_write_info(cct, km, get_osdmap()->get_epoch(),
- info,
- last_written_info,
- past_intervals,
- dirty_big_info, need_update_epoch,
- cct->_conf->osd_fast_info,
- osd->logger);
- assert(ret == 0);
- if (need_update_epoch)
- last_epoch = get_osdmap()->get_epoch();
- last_persisted_osdmap_ref = osdmap_ref;
-
- dirty_info = false;
- dirty_big_info = false;
-}
-
-#pragma GCC diagnostic ignored "-Wpragmas"
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-
-bool PG::_has_removal_flag(ObjectStore *store,
- spg_t pgid)
-{
- coll_t coll(pgid);
- ghobject_t pgmeta_oid(pgid.make_pgmeta_oid());
-
- // first try new way
- set<string> keys;
- keys.insert("_remove");
- map<string,bufferlist> values;
- if (store->omap_get_values(coll, pgmeta_oid, keys, &values) == 0 &&
- values.size() == 1)
- return true;
-
- return false;
-}
-
-int PG::peek_map_epoch(ObjectStore *store,
- spg_t pgid,
- epoch_t *pepoch,
- bufferlist *bl)
-{
- coll_t coll(pgid);
- ghobject_t legacy_infos_oid(OSD::make_infos_oid());
- ghobject_t pgmeta_oid(pgid.make_pgmeta_oid());
- epoch_t cur_epoch = 0;
-
- assert(bl);
- {
- // validate collection name
- assert(coll.is_pg());
- }
-
- // try for v8
- set<string> keys;
- keys.insert(infover_key);
- keys.insert(epoch_key);
- map<string,bufferlist> values;
- int r = store->omap_get_values(coll, pgmeta_oid, keys, &values);
- if (r == 0) {
- assert(values.size() == 2);
-
- // sanity check version
- bufferlist::iterator bp = values[infover_key].begin();
- __u8 struct_v = 0;
- ::decode(struct_v, bp);
- assert(struct_v >= 8);
-
- // get epoch
- bp = values[epoch_key].begin();
- ::decode(cur_epoch, bp);
- } else {
- // probably bug 10617; see OSD::load_pgs()
- return -1;
- }
-
- *pepoch = cur_epoch;
- return 0;
-}
-
-#pragma GCC diagnostic pop
-#pragma GCC diagnostic warning "-Wpragmas"
-
-void PG::write_if_dirty(ObjectStore::Transaction& t)
-{
- map<string,bufferlist> km;
- if (dirty_big_info || dirty_info)
- prepare_write_info(&km);
- pg_log.write_log_and_missing(t, &km, coll, pgmeta_oid, pool.info.require_rollback());
- if (!km.empty())
- t.omap_setkeys(coll, pgmeta_oid, km);
-}
-
-void PG::trim_log()
-{
- assert(is_primary());
- calc_trim_to();
- dout(10) << __func__ << " to " << pg_trim_to << dendl;
- if (pg_trim_to != eversion_t()) {
- // inform peers to trim log
- assert(!actingbackfill.empty());
- for (set<pg_shard_t>::iterator i = actingbackfill.begin();
- i != actingbackfill.end();
- ++i) {
- if (*i == pg_whoami) continue;
- osd->send_message_osd_cluster(
- i->osd,
- new MOSDPGTrim(
- get_osdmap()->get_epoch(),
- spg_t(info.pgid.pgid, i->shard),
- pg_trim_to),
- get_osdmap()->get_epoch());
- }
-
- // trim primary as well
- pg_log.trim(pg_trim_to, info);
- dirty_info = true;
- }
-}
-
-void PG::add_log_entry(const pg_log_entry_t& e, bool applied)
-{
- // raise last_complete only if we were previously up to date
- if (info.last_complete == info.last_update)
- info.last_complete = e.version;
-
- // raise last_update.
- assert(e.version > info.last_update);
- info.last_update = e.version;
-
- // raise user_version, if it increased (it may have not get bumped
- // by all logged updates)
- if (e.user_version > info.last_user_version)
- info.last_user_version = e.user_version;
-
- // log mutation
- pg_log.add(e, applied);
- dout(10) << "add_log_entry " << e << dendl;
-}
-
-
-void PG::append_log(
- const vector<pg_log_entry_t>& logv,
- eversion_t trim_to,
- eversion_t roll_forward_to,
- ObjectStore::Transaction &t,
- bool transaction_applied)
-{
- if (transaction_applied)
- update_snap_map(logv, t);
-
- /* The primary has sent an info updating the history, but it may not
- * have arrived yet. We want to make sure that we cannot remember this
- * write without remembering that it happened in an interval which went
- * active in epoch history.last_epoch_started.
- */
- if (info.last_epoch_started != info.history.last_epoch_started) {
- info.history.last_epoch_started = info.last_epoch_started;
- }
- if (info.last_interval_started != info.history.last_interval_started) {
- info.history.last_interval_started = info.last_interval_started;
- }
- dout(10) << "append_log " << pg_log.get_log() << " " << logv << dendl;
-
- PGLogEntryHandler handler{this, &t};
- if (!transaction_applied) {
- /* We must be a backfill peer, so it's ok if we apply
- * out-of-turn since we won't be considered when
- * determining a min possible last_update.
- */
- pg_log.roll_forward(&handler);
- }
-
- for (vector<pg_log_entry_t>::const_iterator p = logv.begin();
- p != logv.end();
- ++p) {
- add_log_entry(*p, transaction_applied);
-
- /* We don't want to leave the rollforward artifacts around
- * here past last_backfill. It's ok for the same reason as
- * above */
- if (transaction_applied &&
- p->soid > info.last_backfill) {
- pg_log.roll_forward(&handler);
- }
- }
- auto last = logv.rbegin();
- if (is_primary() && last != logv.rend()) {
- projected_log.skip_can_rollback_to_to_head();
- projected_log.trim(cct, last->version, nullptr, nullptr, nullptr);
- }
-
- if (transaction_applied && roll_forward_to > pg_log.get_can_rollback_to()) {
- pg_log.roll_forward_to(
- roll_forward_to,
- &handler);
- t.register_on_applied(
- new C_UpdateLastRollbackInfoTrimmedToApplied(
- this,
- get_osdmap()->get_epoch(),
- roll_forward_to));
- }
-
- pg_log.trim(trim_to, info);
-
- // update the local pg, pg log
- dirty_info = true;
- write_if_dirty(t);
-}
-
-bool PG::check_log_for_corruption(ObjectStore *store)
-{
- /// TODO: this method needs to work with the omap log
- return true;
-}
-
-//! Get the name we're going to save our corrupt page log as
-std::string PG::get_corrupt_pg_log_name() const
-{
- const int MAX_BUF = 512;
- char buf[MAX_BUF];
- struct tm tm_buf;
- time_t my_time(time(NULL));
- const struct tm *t = localtime_r(&my_time, &tm_buf);
- int ret = strftime(buf, sizeof(buf), "corrupt_log_%Y-%m-%d_%k:%M_", t);
- if (ret == 0) {
- dout(0) << "strftime failed" << dendl;
- return "corrupt_log_unknown_time";
- }
- string out(buf);
- out += stringify(info.pgid);
- return out;
-}
-
-int PG::read_info(
- ObjectStore *store, spg_t pgid, const coll_t &coll, bufferlist &bl,
- pg_info_t &info, PastIntervals &past_intervals,
- __u8 &struct_v)
-{
- // try for v8 or later
- set<string> keys;
- keys.insert(infover_key);
- keys.insert(info_key);
- keys.insert(biginfo_key);
- keys.insert(fastinfo_key);
- ghobject_t pgmeta_oid(pgid.make_pgmeta_oid());
- map<string,bufferlist> values;
- int r = store->omap_get_values(coll, pgmeta_oid, keys, &values);
- if (r == 0) {
- assert(values.size() == 3 ||
- values.size() == 4);
-
- bufferlist::iterator p = values[infover_key].begin();
- ::decode(struct_v, p);
- assert(struct_v >= 8);
-
- p = values[info_key].begin();
- ::decode(info, p);
-
- p = values[biginfo_key].begin();
- if (struct_v >= 10) {
- ::decode(past_intervals, p);
- } else {
- past_intervals.decode_classic(p);
- }
- ::decode(info.purged_snaps, p);
-
- p = values[fastinfo_key].begin();
- if (!p.end()) {
- pg_fast_info_t fast;
- ::decode(fast, p);
- fast.try_apply_to(&info);
- }
- return 0;
- }
-
- // legacy (ver < 8)
- ghobject_t infos_oid(OSD::make_infos_oid());
- bufferlist::iterator p = bl.begin();
- ::decode(struct_v, p);
- assert(struct_v == 7);
-
- // get info out of leveldb
- string k = get_info_key(info.pgid);
- string bk = get_biginfo_key(info.pgid);
- keys.clear();
- keys.insert(k);
- keys.insert(bk);
- values.clear();
- store->omap_get_values(coll_t::meta(), ghobject_t(infos_oid), keys, &values);
- assert(values.size() == 2);
-
- p = values[k].begin();
- ::decode(info, p);
-
- p = values[bk].begin();
- ::decode(past_intervals, p);
- interval_set<snapid_t> snap_collections; // obsolete
- ::decode(snap_collections, p);
- ::decode(info.purged_snaps, p);
- return 0;
-}
-
-void PG::read_state(ObjectStore *store, bufferlist &bl)
-{
- int r = read_info(store, pg_id, coll, bl, info, past_intervals,
- info_struct_v);
- assert(r >= 0);
-
- last_written_info = info;
-
- // if we are upgrading from jewel, we need to force rebuild of
- // missing set. v9 was fastinfo, added v11.0.2-331-g1d5dc29a13
- // (before kraken). persisted missing set was circa
- // v11.0.0-866-gb0e239da95 (a bit earlier, also before kraken).
- // v8 was pre-jewel (per-pg meta object).
- bool force_rebuild_missing = info_struct_v < 9;
- if (force_rebuild_missing) {
- dout(10) << __func__ << " detected upgrade from jewel, force_rebuild_missing"
- << dendl;
- }
-
- ostringstream oss;
- pg_log.read_log_and_missing(
- store,
- coll,
- info_struct_v < 8 ? coll_t::meta() : coll,
- ghobject_t(info_struct_v < 8 ? OSD::make_pg_log_oid(pg_id) : pgmeta_oid),
- info,
- force_rebuild_missing,
- oss,
- cct->_conf->osd_ignore_stale_divergent_priors,
- cct->_conf->osd_debug_verify_missing_on_start);
- if (oss.tellp())
- osd->clog->error() << oss.str();
-
- if (force_rebuild_missing) {
- dout(10) << __func__ << " forced rebuild of missing got "
- << pg_log.get_missing()
- << dendl;
- }
-
- // log any weirdness
- log_weirdness();
-}
-
-void PG::log_weirdness()
-{
- if (pg_log.get_tail() != info.log_tail)
- osd->clog->error() << info.pgid
- << " info mismatch, log.tail " << pg_log.get_tail()
- << " != info.log_tail " << info.log_tail;
- if (pg_log.get_head() != info.last_update)
- osd->clog->error() << info.pgid
- << " info mismatch, log.head " << pg_log.get_head()
- << " != info.last_update " << info.last_update;
-
- if (!pg_log.get_log().empty()) {
- // sloppy check
- if ((pg_log.get_log().log.begin()->version <= pg_log.get_tail()))
- osd->clog->error() << info.pgid
- << " log bound mismatch, info (tail,head] ("
- << pg_log.get_tail() << "," << pg_log.get_head() << "]"
- << " actual ["
- << pg_log.get_log().log.begin()->version << ","
- << pg_log.get_log().log.rbegin()->version << "]";
- }
-
- if (pg_log.get_log().caller_ops.size() > pg_log.get_log().log.size()) {
- osd->clog->error() << info.pgid
- << " caller_ops.size " << pg_log.get_log().caller_ops.size()
- << " > log size " << pg_log.get_log().log.size();
- }
-}
-
-void PG::update_snap_map(
- const vector<pg_log_entry_t> &log_entries,
- ObjectStore::Transaction &t)
-{
- for (vector<pg_log_entry_t>::const_iterator i = log_entries.begin();
- i != log_entries.end();
- ++i) {
- OSDriver::OSTransaction _t(osdriver.get_transaction(&t));
- if (i->soid.snap < CEPH_MAXSNAP) {
- if (i->is_delete()) {
- int r = snap_mapper.remove_oid(
- i->soid,
- &_t);
- assert(r == 0);
- } else if (i->is_update()) {
- assert(i->snaps.length() > 0);
- vector<snapid_t> snaps;
- bufferlist snapbl = i->snaps;
- bufferlist::iterator p = snapbl.begin();
- try {
- ::decode(snaps, p);
- } catch (...) {
- derr << __func__ << " decode snaps failure on " << *i << dendl;
- snaps.clear();
- }
- set<snapid_t> _snaps(snaps.begin(), snaps.end());
-
- if (i->is_clone() || i->is_promote()) {
- snap_mapper.add_oid(
- i->soid,
- _snaps,
- &_t);
- } else if (i->is_modify()) {
- assert(i->is_modify());
- int r = snap_mapper.update_snaps(
- i->soid,
- _snaps,
- 0,
- &_t);
- assert(r == 0);
- } else {
- assert(i->is_clean());
- }
- }
- }
- }
-}
-
-/**
- * filter trimming|trimmed snaps out of snapcontext
- */
-void PG::filter_snapc(vector<snapid_t> &snaps)
-{
- //nothing needs to trim, we can return immediately
- if(snap_trimq.empty() && info.purged_snaps.empty())
- return;
-
- bool filtering = false;
- vector<snapid_t> newsnaps;
- for (vector<snapid_t>::iterator p = snaps.begin();
- p != snaps.end();
- ++p) {
- if (snap_trimq.contains(*p) || info.purged_snaps.contains(*p)) {
- if (!filtering) {
- // start building a new vector with what we've seen so far
- dout(10) << "filter_snapc filtering " << snaps << dendl;
- newsnaps.insert(newsnaps.begin(), snaps.begin(), p);
- filtering = true;
- }
- dout(20) << "filter_snapc removing trimq|purged snap " << *p << dendl;
- } else {
- if (filtering)
- newsnaps.push_back(*p); // continue building new vector
- }
- }
- if (filtering) {
- snaps.swap(newsnaps);
- dout(10) << "filter_snapc result " << snaps << dendl;
- }
-}
-
-void PG::requeue_object_waiters(map<hobject_t, list<OpRequestRef>>& m)
-{
- for (map<hobject_t, list<OpRequestRef>>::iterator it = m.begin();
- it != m.end();
- ++it)
- requeue_ops(it->second);
- m.clear();
-}
-
-void PG::requeue_op(OpRequestRef op)
-{
- auto p = waiting_for_map.find(op->get_source());
- if (p != waiting_for_map.end()) {
- dout(20) << __func__ << " " << op << " (waiting_for_map " << p->first << ")"
- << dendl;
- p->second.push_front(op);
- } else {
- dout(20) << __func__ << " " << op << dendl;
- osd->enqueue_front(info.pgid, PGQueueable(op, get_osdmap()->get_epoch()));
- }
-}
-
-void PG::requeue_ops(list<OpRequestRef> &ls)
-{
- for (list<OpRequestRef>::reverse_iterator i = ls.rbegin();
- i != ls.rend();
- ++i) {
- auto p = waiting_for_map.find((*i)->get_source());
- if (p != waiting_for_map.end()) {
- dout(20) << __func__ << " " << *i << " (waiting_for_map " << p->first
- << ")" << dendl;
- p->second.push_front(*i);
- } else {
- dout(20) << __func__ << " " << *i << dendl;
- osd->enqueue_front(info.pgid, PGQueueable(*i, get_osdmap()->get_epoch()));
- }
- }
- ls.clear();
-}
-
-void PG::requeue_map_waiters()
-{
- epoch_t epoch = get_osdmap()->get_epoch();
- auto p = waiting_for_map.begin();
- while (p != waiting_for_map.end()) {
- if (epoch < p->second.front()->min_epoch) {
- dout(20) << __func__ << " " << p->first << " front op "
- << p->second.front() << " must still wait, doing nothing"
- << dendl;
- ++p;
- } else {
- dout(20) << __func__ << " " << p->first << " " << p->second << dendl;
- for (auto q = p->second.rbegin(); q != p->second.rend(); ++q) {
- osd->enqueue_front(info.pgid, PGQueueable(*q, epoch));
- }
- p = waiting_for_map.erase(p);
- }
- }
-}
-
-
-// ==========================================================================================
-// SCRUB
-
-/*
- * when holding pg and sched_scrub_lock, then the states are:
- * scheduling:
- * scrubber.reserved = true
- * scrub_rserved_peers includes whoami
- * osd->scrub_pending++
- * scheduling, replica declined:
- * scrubber.reserved = true
- * scrubber.reserved_peers includes -1
- * osd->scrub_pending++
- * pending:
- * scrubber.reserved = true
- * scrubber.reserved_peers.size() == acting.size();
- * pg on scrub_wq
- * osd->scrub_pending++
- * scrubbing:
- * scrubber.reserved = false;
- * scrubber.reserved_peers empty
- * osd->scrubber.active++
- */
-
-// returns true if a scrub has been newly kicked off
-bool PG::sched_scrub()
-{
- bool nodeep_scrub = false;
- assert(is_locked());
- if (!(is_primary() && is_active() && is_clean() && !is_scrubbing())) {
- return false;
- }
-
- double deep_scrub_interval = 0;
- pool.info.opts.get(pool_opts_t::DEEP_SCRUB_INTERVAL, &deep_scrub_interval);
- if (deep_scrub_interval <= 0) {
- deep_scrub_interval = cct->_conf->osd_deep_scrub_interval;
- }
- bool time_for_deep = ceph_clock_now() >=
- info.history.last_deep_scrub_stamp + deep_scrub_interval;
-
- bool deep_coin_flip = false;
- // Only add random deep scrubs when NOT user initiated scrub
- if (!scrubber.must_scrub)
- deep_coin_flip = (rand() % 100) < cct->_conf->osd_deep_scrub_randomize_ratio * 100;
- dout(20) << __func__ << ": time_for_deep=" << time_for_deep << " deep_coin_flip=" << deep_coin_flip << dendl;
-
- time_for_deep = (time_for_deep || deep_coin_flip);
-
- //NODEEP_SCRUB so ignore time initiated deep-scrub
- if (osd->osd->get_osdmap()->test_flag(CEPH_OSDMAP_NODEEP_SCRUB) ||
- pool.info.has_flag(pg_pool_t::FLAG_NODEEP_SCRUB)) {
- time_for_deep = false;
- nodeep_scrub = true;
- }
-
- if (!scrubber.must_scrub) {
- assert(!scrubber.must_deep_scrub);
-
- //NOSCRUB so skip regular scrubs
- if ((osd->osd->get_osdmap()->test_flag(CEPH_OSDMAP_NOSCRUB) ||
- pool.info.has_flag(pg_pool_t::FLAG_NOSCRUB)) && !time_for_deep) {
- if (scrubber.reserved) {
- // cancel scrub if it is still in scheduling,
- // so pgs from other pools where scrub are still legal
- // have a chance to go ahead with scrubbing.
- clear_scrub_reserved();
- scrub_unreserve_replicas();
- }
- return false;
- }
- }
-
- if (cct->_conf->osd_scrub_auto_repair
- && get_pgbackend()->auto_repair_supported()
- && time_for_deep
- // respect the command from user, and not do auto-repair
- && !scrubber.must_repair
- && !scrubber.must_scrub
- && !scrubber.must_deep_scrub) {
- dout(20) << __func__ << ": auto repair with deep scrubbing" << dendl;
- scrubber.auto_repair = true;
- } else {
- // this happens when user issue the scrub/repair command during
- // the scheduling of the scrub/repair (e.g. request reservation)
- scrubber.auto_repair = false;
- }
-
- bool ret = true;
- if (!scrubber.reserved) {
- assert(scrubber.reserved_peers.empty());
- if ((cct->_conf->osd_scrub_during_recovery || !osd->is_recovery_active()) &&
- osd->inc_scrubs_pending()) {
- dout(20) << __func__ << ": reserved locally, reserving replicas" << dendl;
- scrubber.reserved = true;
- scrubber.reserved_peers.insert(pg_whoami);
- scrub_reserve_replicas();
- } else {
- dout(20) << __func__ << ": failed to reserve locally" << dendl;
- ret = false;
- }
- }
- if (scrubber.reserved) {
- if (scrubber.reserve_failed) {
- dout(20) << "sched_scrub: failed, a peer declined" << dendl;
- clear_scrub_reserved();
- scrub_unreserve_replicas();
- ret = false;
- } else if (scrubber.reserved_peers.size() == acting.size()) {
- dout(20) << "sched_scrub: success, reserved self and replicas" << dendl;
- if (time_for_deep) {
- dout(10) << "sched_scrub: scrub will be deep" << dendl;
- state_set(PG_STATE_DEEP_SCRUB);
- } else if (!scrubber.must_deep_scrub && info.stats.stats.sum.num_deep_scrub_errors) {
- if (!nodeep_scrub) {
- osd->clog->info() << "osd." << osd->whoami
- << " pg " << info.pgid
- << " Deep scrub errors, upgrading scrub to deep-scrub";
- state_set(PG_STATE_DEEP_SCRUB);
- } else if (!scrubber.must_scrub) {
- osd->clog->error() << "osd." << osd->whoami
- << " pg " << info.pgid
- << " Regular scrub skipped due to deep-scrub errors and nodeep-scrub set";
- clear_scrub_reserved();
- scrub_unreserve_replicas();
- return false;
- } else {
- osd->clog->error() << "osd." << osd->whoami
- << " pg " << info.pgid
- << " Regular scrub request, deep-scrub details will be lost";
- }
- }
- queue_scrub();
- } else {
- // none declined, since scrubber.reserved is set
- dout(20) << "sched_scrub: reserved " << scrubber.reserved_peers << ", waiting for replicas" << dendl;
- }
- }
-
- return ret;
-}
-
-void PG::reg_next_scrub()
-{
- if (!is_primary())
- return;
-
- utime_t reg_stamp;
- if (scrubber.must_scrub ||
- (info.stats.stats_invalid && cct->_conf->osd_scrub_invalid_stats)) {
- reg_stamp = ceph_clock_now();
- } else {
- reg_stamp = info.history.last_scrub_stamp;
- }
- // note down the sched_time, so we can locate this scrub, and remove it
- // later on.
- double scrub_min_interval = 0, scrub_max_interval = 0;
- pool.info.opts.get(pool_opts_t::SCRUB_MIN_INTERVAL, &scrub_min_interval);
- pool.info.opts.get(pool_opts_t::SCRUB_MAX_INTERVAL, &scrub_max_interval);
- assert(scrubber.scrub_reg_stamp == utime_t());
- scrubber.scrub_reg_stamp = osd->reg_pg_scrub(info.pgid,
- reg_stamp,
- scrub_min_interval,
- scrub_max_interval,
- scrubber.must_scrub);
-}
-
-void PG::unreg_next_scrub()
-{
- if (is_primary()) {
- osd->unreg_pg_scrub(info.pgid, scrubber.scrub_reg_stamp);
- scrubber.scrub_reg_stamp = utime_t();
- }
-}
-
-void PG::do_replica_scrub_map(OpRequestRef op)
-{
- const MOSDRepScrubMap *m = static_cast<const MOSDRepScrubMap*>(op->get_req());
- dout(7) << __func__ << " " << *m << dendl;
- if (m->map_epoch < info.history.same_interval_since) {
- dout(10) << __func__ << " discarding old from "
- << m->map_epoch << " < " << info.history.same_interval_since
- << dendl;
- return;
- }
- if (!scrubber.is_chunky_scrub_active()) {
- dout(10) << __func__ << " scrub isn't active" << dendl;
- return;
- }
-
- op->mark_started();
-
- bufferlist::iterator p = const_cast<bufferlist&>(m->get_data()).begin();
- scrubber.received_maps[m->from].decode(p, info.pgid.pool());
- dout(10) << "map version is "
- << scrubber.received_maps[m->from].valid_through
- << dendl;
-
- dout(10) << __func__ << " waiting_on_whom was " << scrubber.waiting_on_whom
- << dendl;
- assert(scrubber.waiting_on_whom.count(m->from));
- scrubber.waiting_on_whom.erase(m->from);
- if (m->preempted) {
- dout(10) << __func__ << " replica was preempted, setting flag" << dendl;
- scrub_preempted = true;
- }
- if (scrubber.waiting_on_whom.empty()) {
- if (ops_blocked_by_scrub()) {
- requeue_scrub(true);
- } else {
- requeue_scrub(false);
- }
- }
-}
-
-void PG::sub_op_scrub_map(OpRequestRef op)
-{
- // for legacy jewel compatibility only
- const MOSDSubOp *m = static_cast<const MOSDSubOp *>(op->get_req());
- assert(m->get_type() == MSG_OSD_SUBOP);
- dout(7) << "sub_op_scrub_map" << dendl;
-
- if (m->map_epoch < info.history.same_interval_since) {
- dout(10) << "sub_op_scrub discarding old sub_op from "
- << m->map_epoch << " < " << info.history.same_interval_since << dendl;
- return;
- }
-
- if (!scrubber.is_chunky_scrub_active()) {
- dout(10) << "sub_op_scrub_map scrub isn't active" << dendl;
- return;
- }
-
- op->mark_started();
-
- dout(10) << " got " << m->from << " scrub map" << dendl;
- bufferlist::iterator p = const_cast<bufferlist&>(m->get_data()).begin();
-
- scrubber.received_maps[m->from].decode(p, info.pgid.pool());
- dout(10) << "map version is "
- << scrubber.received_maps[m->from].valid_through
- << dendl;
-
- scrubber.waiting_on_whom.erase(m->from);
-
- if (scrubber.waiting_on_whom.empty()) {
- if (ops_blocked_by_scrub()) {
- requeue_scrub(true);
- } else {
- requeue_scrub(false);
- }
- }
-}
-
-// send scrub v3 messages (chunky scrub)
-void PG::_request_scrub_map(
- pg_shard_t replica, eversion_t version,
- hobject_t start, hobject_t end,
- bool deep,
- bool allow_preemption)
-{
- assert(replica != pg_whoami);
- dout(10) << "scrub requesting scrubmap from osd." << replica
- << " deep " << (int)deep << dendl;
- MOSDRepScrub *repscrubop = new MOSDRepScrub(
- spg_t(info.pgid.pgid, replica.shard), version,
- get_osdmap()->get_epoch(),
- get_last_peering_reset(),
- start, end, deep,
- allow_preemption,
- scrubber.priority,
- ops_blocked_by_scrub());
- // default priority, we want the rep scrub processed prior to any recovery
- // or client io messages (we are holding a lock!)
- osd->send_message_osd_cluster(
- replica.osd, repscrubop, get_osdmap()->get_epoch());
-}
-
-void PG::handle_scrub_reserve_request(OpRequestRef op)
-{
- dout(7) << __func__ << " " << *op->get_req() << dendl;
- op->mark_started();
- if (scrubber.reserved) {
- dout(10) << __func__ << " ignoring reserve request: Already reserved"
- << dendl;
- return;
- }
- if ((cct->_conf->osd_scrub_during_recovery || !osd->is_recovery_active()) &&
- osd->inc_scrubs_pending()) {
- scrubber.reserved = true;
- } else {
- dout(20) << __func__ << ": failed to reserve remotely" << dendl;
- scrubber.reserved = false;
- }
- if (op->get_req()->get_type() == MSG_OSD_SCRUB_RESERVE) {
- const MOSDScrubReserve *m =
- static_cast<const MOSDScrubReserve*>(op->get_req());
- Message *reply = new MOSDScrubReserve(
- spg_t(info.pgid.pgid, primary.shard),
- m->map_epoch,
- scrubber.reserved ? MOSDScrubReserve::GRANT : MOSDScrubReserve::REJECT,
- pg_whoami);
- osd->send_message_osd_cluster(reply, op->get_req()->get_connection());
- } else {
- // for jewel compat only
- const MOSDSubOp *req = static_cast<const MOSDSubOp*>(op->get_req());
- assert(req->get_type() == MSG_OSD_SUBOP);
- MOSDSubOpReply *reply = new MOSDSubOpReply(
- req, pg_whoami, 0, get_osdmap()->get_epoch(), CEPH_OSD_FLAG_ACK);
- ::encode(scrubber.reserved, reply->get_data());
- osd->send_message_osd_cluster(reply, op->get_req()->get_connection());
- }
-}
-
-void PG::handle_scrub_reserve_grant(OpRequestRef op, pg_shard_t from)
-{
- dout(7) << __func__ << " " << *op->get_req() << dendl;
- op->mark_started();
- if (!scrubber.reserved) {
- dout(10) << "ignoring obsolete scrub reserve reply" << dendl;
- return;
- }
- if (scrubber.reserved_peers.find(from) != scrubber.reserved_peers.end()) {
- dout(10) << " already had osd." << from << " reserved" << dendl;
- } else {
- dout(10) << " osd." << from << " scrub reserve = success" << dendl;
- scrubber.reserved_peers.insert(from);
- sched_scrub();
- }
-}
-
-void PG::handle_scrub_reserve_reject(OpRequestRef op, pg_shard_t from)
-{
- dout(7) << __func__ << " " << *op->get_req() << dendl;
- op->mark_started();
- if (!scrubber.reserved) {
- dout(10) << "ignoring obsolete scrub reserve reply" << dendl;
- return;
- }
- if (scrubber.reserved_peers.find(from) != scrubber.reserved_peers.end()) {
- dout(10) << " already had osd." << from << " reserved" << dendl;
- } else {
- /* One decline stops this pg from being scheduled for scrubbing. */
- dout(10) << " osd." << from << " scrub reserve = fail" << dendl;
- scrubber.reserve_failed = true;
- sched_scrub();
- }
-}
-
-void PG::handle_scrub_reserve_release(OpRequestRef op)
-{
- dout(7) << __func__ << " " << *op->get_req() << dendl;
- op->mark_started();
- clear_scrub_reserved();
-}
-
-void PG::reject_reservation()
-{
- osd->send_message_osd_cluster(
- primary.osd,
- new MBackfillReserve(
- MBackfillReserve::REJECT,
- spg_t(info.pgid.pgid, primary.shard),
- get_osdmap()->get_epoch()),
- get_osdmap()->get_epoch());
-}
-
-void PG::schedule_backfill_retry(float delay)
-{
- Mutex::Locker lock(osd->recovery_request_lock);
- osd->recovery_request_timer.add_event_after(
- delay,
- new QueuePeeringEvt<RequestBackfill>(
- this, get_osdmap()->get_epoch(),
- RequestBackfill()));
-}
-
-void PG::schedule_recovery_retry(float delay)
-{
- Mutex::Locker lock(osd->recovery_request_lock);
- osd->recovery_request_timer.add_event_after(
- delay,
- new QueuePeeringEvt<DoRecovery>(
- this, get_osdmap()->get_epoch(),
- DoRecovery()));
-}
-
-void PG::clear_scrub_reserved()
-{
- scrubber.reserved_peers.clear();
- scrubber.reserve_failed = false;
-
- if (scrubber.reserved) {
- scrubber.reserved = false;
- osd->dec_scrubs_pending();
- }
-}
-
-void PG::scrub_reserve_replicas()
-{
- assert(backfill_targets.empty());
- for (set<pg_shard_t>::iterator i = actingbackfill.begin();
- i != actingbackfill.end();
- ++i) {
- if (*i == pg_whoami) continue;
- dout(10) << "scrub requesting reserve from osd." << *i << dendl;
- if (HAVE_FEATURE(get_min_acting_features(), SERVER_LUMINOUS)) {
- osd->send_message_osd_cluster(
- i->osd,
- new MOSDScrubReserve(spg_t(info.pgid.pgid, i->shard),
- get_osdmap()->get_epoch(),
- MOSDScrubReserve::REQUEST, pg_whoami),
- get_osdmap()->get_epoch());
- } else {
- // for jewel compat only
- vector<OSDOp> scrub(1);
- scrub[0].op.op = CEPH_OSD_OP_SCRUB_RESERVE;
- hobject_t poid;
- eversion_t v;
- osd_reqid_t reqid;
- MOSDSubOp *subop = new MOSDSubOp(
- reqid, pg_whoami, spg_t(info.pgid.pgid, i->shard), poid, 0,
- get_osdmap()->get_epoch(), osd->get_tid(), v);
- subop->ops = scrub;
- osd->send_message_osd_cluster(
- i->osd, subop, get_osdmap()->get_epoch());
- }
- }
-}
-
-void PG::scrub_unreserve_replicas()
-{
- assert(backfill_targets.empty());
- for (set<pg_shard_t>::iterator i = actingbackfill.begin();
- i != actingbackfill.end();
- ++i) {
- if (*i == pg_whoami) continue;
- dout(10) << "scrub requesting unreserve from osd." << *i << dendl;
- if (HAVE_FEATURE(get_min_acting_features(), SERVER_LUMINOUS)) {
- osd->send_message_osd_cluster(
- i->osd,
- new MOSDScrubReserve(spg_t(info.pgid.pgid, i->shard),
- get_osdmap()->get_epoch(),
- MOSDScrubReserve::RELEASE, pg_whoami),
- get_osdmap()->get_epoch());
- } else {
- // for jewel compat only
- vector<OSDOp> scrub(1);
- scrub[0].op.op = CEPH_OSD_OP_SCRUB_UNRESERVE;
- hobject_t poid;
- eversion_t v;
- osd_reqid_t reqid;
- MOSDSubOp *subop = new MOSDSubOp(
- reqid, pg_whoami, spg_t(info.pgid.pgid, i->shard), poid, 0,
- get_osdmap()->get_epoch(), osd->get_tid(), v);
- subop->ops = scrub;
- osd->send_message_osd_cluster(i->osd, subop, get_osdmap()->get_epoch());
- }
- }
-}
-
-void PG::_scan_rollback_obs(
- const vector<ghobject_t> &rollback_obs,
- ThreadPool::TPHandle &handle)
-{
- ObjectStore::Transaction t;
- eversion_t trimmed_to = last_rollback_info_trimmed_to_applied;
- for (vector<ghobject_t>::const_iterator i = rollback_obs.begin();
- i != rollback_obs.end();
- ++i) {
- if (i->generation < trimmed_to.version) {
- osd->clog->error() << "osd." << osd->whoami
- << " pg " << info.pgid
- << " found obsolete rollback obj "
- << *i << " generation < trimmed_to "
- << trimmed_to
- << "...repaired";
- t.remove(coll, *i);
- }
- }
- if (!t.empty()) {
- derr << __func__ << ": queueing trans to clean up obsolete rollback objs"
- << dendl;
- osd->store->queue_transaction(osr.get(), std::move(t), NULL);
- }
-}
-
-void PG::_scan_snaps(ScrubMap &smap)
-{
- hobject_t head;
- SnapSet snapset;
-
- // Test qa/standalone/scrub/osd-scrub-snaps.sh uses this message to verify
- // caller using clean_meta_map(), and it works properly.
- dout(20) << __func__ << " start" << dendl;
-
- for (map<hobject_t, ScrubMap::object>::reverse_iterator i = smap.objects.rbegin();
- i != smap.objects.rend();
- ++i) {
- const hobject_t &hoid = i->first;
- ScrubMap::object &o = i->second;
-
- dout(20) << __func__ << " " << hoid << dendl;
-
- if (hoid.is_head() || hoid.is_snapdir()) {
- // parse the SnapSet
- bufferlist bl;
- if (o.attrs.find(SS_ATTR) == o.attrs.end()) {
- continue;
- }
- bl.push_back(o.attrs[SS_ATTR]);
- auto p = bl.begin();
- try {
- ::decode(snapset, p);
- } catch(...) {
- continue;
- }
- head = hoid.get_head();
- // Make sure head_exists is correct for is_legacy() check
- if (hoid.is_head())
- snapset.head_exists = true;
- continue;
- }
- if (hoid.snap < CEPH_MAXSNAP) {
- // check and if necessary fix snap_mapper
- if (hoid.get_head() != head) {
- derr << __func__ << " no head for " << hoid << " (have " << head << ")"
- << dendl;
- continue;
- }
- set<snapid_t> obj_snaps;
- if (!snapset.is_legacy()) {
- auto p = snapset.clone_snaps.find(hoid.snap);
- if (p == snapset.clone_snaps.end()) {
- derr << __func__ << " no clone_snaps for " << hoid << " in " << snapset
- << dendl;
- continue;
- }
- obj_snaps.insert(p->second.begin(), p->second.end());
- } else {
- bufferlist bl;
- if (o.attrs.find(OI_ATTR) == o.attrs.end()) {
- continue;
- }
- bl.push_back(o.attrs[OI_ATTR]);
- object_info_t oi;
- try {
- oi.decode(bl);
- } catch(...) {
- continue;
- }
- obj_snaps.insert(oi.legacy_snaps.begin(), oi.legacy_snaps.end());
- }
- set<snapid_t> cur_snaps;
- int r = snap_mapper.get_snaps(hoid, &cur_snaps);
- if (r != 0 && r != -ENOENT) {
- derr << __func__ << ": get_snaps returned " << cpp_strerror(r) << dendl;
- ceph_abort();
- }
- if (r == -ENOENT || cur_snaps != obj_snaps) {
- ObjectStore::Transaction t;
- OSDriver::OSTransaction _t(osdriver.get_transaction(&t));
- if (r == 0) {
- r = snap_mapper.remove_oid(hoid, &_t);
- if (r != 0) {
- derr << __func__ << ": remove_oid returned " << cpp_strerror(r)
- << dendl;
- ceph_abort();
- }
- osd->clog->error() << "osd." << osd->whoami
- << " found snap mapper error on pg "
- << info.pgid
- << " oid " << hoid << " snaps in mapper: "
- << cur_snaps << ", oi: "
- << obj_snaps
- << "...repaired";
- } else {
- osd->clog->error() << "osd." << osd->whoami
- << " found snap mapper error on pg "
- << info.pgid
- << " oid " << hoid << " snaps missing in mapper"
- << ", should be: "
- << obj_snaps
- << "...repaired";
- }
- snap_mapper.add_oid(hoid, obj_snaps, &_t);
-
- // wait for repair to apply to avoid confusing other bits of the system.
- {
- Cond my_cond;
- Mutex my_lock("PG::_scan_snaps my_lock");
- int r = 0;
- bool done;
- t.register_on_applied_sync(
- new C_SafeCond(&my_lock, &my_cond, &done, &r));
- r = osd->store->apply_transaction(osr.get(), std::move(t));
- if (r != 0) {
- derr << __func__ << ": apply_transaction got " << cpp_strerror(r)
- << dendl;
- } else {
- my_lock.Lock();
- while (!done)
- my_cond.Wait(my_lock);
- my_lock.Unlock();
- }
- }
- }
- }
- }
-}
-
-void PG::_repair_oinfo_oid(ScrubMap &smap)
-{
- for (map<hobject_t, ScrubMap::object>::reverse_iterator i = smap.objects.rbegin();
- i != smap.objects.rend();
- ++i) {
- const hobject_t &hoid = i->first;
- ScrubMap::object &o = i->second;
-
- bufferlist bl;
- if (o.attrs.find(OI_ATTR) == o.attrs.end()) {
- continue;
- }
- bl.push_back(o.attrs[OI_ATTR]);
- object_info_t oi;
- try {
- oi.decode(bl);
- } catch(...) {
- continue;
- }
- if (oi.soid != hoid) {
- ObjectStore::Transaction t;
- OSDriver::OSTransaction _t(osdriver.get_transaction(&t));
- osd->clog->error() << "osd." << osd->whoami
- << " found object info error on pg "
- << info.pgid
- << " oid " << hoid << " oid in object info: "
- << oi.soid
- << "...repaired";
- // Fix object info
- oi.soid = hoid;
- bl.clear();
- ::encode(oi, bl, get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD, nullptr));
-
- bufferptr bp(bl.c_str(), bl.length());
- o.attrs[OI_ATTR] = bp;
-
- t.setattr(coll, ghobject_t(hoid), OI_ATTR, bl);
- int r = osd->store->apply_transaction(osr.get(), std::move(t));
- if (r != 0) {
- derr << __func__ << ": apply_transaction got " << cpp_strerror(r)
- << dendl;
- }
- }
- }
-}
-int PG::build_scrub_map_chunk(
- ScrubMap &map,
- ScrubMapBuilder &pos,
- hobject_t start,
- hobject_t end,
- bool deep,
- ThreadPool::TPHandle &handle)
-{
- dout(10) << __func__ << " [" << start << "," << end << ") "
- << " pos " << pos
- << dendl;
-
- // start
- while (pos.empty()) {
- pos.deep = deep;
- map.valid_through = info.last_update;
- osr->flush();
-
- // objects
- vector<ghobject_t> rollback_obs;
- pos.ret = get_pgbackend()->objects_list_range(
- start,
- end,
- 0,
- &pos.ls,
- &rollback_obs);
- if (pos.ret < 0) {
- dout(5) << "objects_list_range error: " << pos.ret << dendl;
- return pos.ret;
- }
- if (pos.ls.empty()) {
- break;
- }
- _scan_rollback_obs(rollback_obs, handle);
- pos.pos = 0;
- return -EINPROGRESS;
- }
-
- // scan objects
- while (!pos.done()) {
- int r = get_pgbackend()->be_scan_list(map, pos);
- if (r == -EINPROGRESS) {
- return r;
- }
- }
-
- // finish
- dout(20) << __func__ << " finishing" << dendl;
- assert(pos.done());
- _repair_oinfo_oid(map);
- if (!is_primary()) {
- ScrubMap for_meta_scrub;
- // In case we restarted smaller chunk, clear old data
- scrubber.cleaned_meta_map.clear_from(scrubber.start);
- scrubber.cleaned_meta_map.insert(map);
- scrubber.clean_meta_map(for_meta_scrub);
- _scan_snaps(for_meta_scrub);
- }
-
- dout(20) << __func__ << " done, got " << map.objects.size() << " items"
- << dendl;
- return 0;
-}
-
-void PG::Scrubber::cleanup_store(ObjectStore::Transaction *t) {
- if (!store)
- return;
- struct OnComplete : Context {
- std::unique_ptr<Scrub::Store> store;
- OnComplete(
- std::unique_ptr<Scrub::Store> &&store)
- : store(std::move(store)) {}
- void finish(int) override {}
- };
- store->cleanup(t);
- t->register_on_complete(new OnComplete(std::move(store)));
- assert(!store);
-}
-
-void PG::repair_object(
- const hobject_t& soid, list<pair<ScrubMap::object, pg_shard_t> > *ok_peers,
- pg_shard_t bad_peer)
-{
- list<pg_shard_t> op_shards;
- for (auto i : *ok_peers) {
- op_shards.push_back(i.second);
- }
- dout(10) << "repair_object " << soid << " bad_peer osd."
- << bad_peer << " ok_peers osd.{" << op_shards << "}" << dendl;
- ScrubMap::object &po = ok_peers->back().first;
- eversion_t v;
- bufferlist bv;
- bv.push_back(po.attrs[OI_ATTR]);
- object_info_t oi;
- try {
- bufferlist::iterator bliter = bv.begin();
- ::decode(oi, bliter);
- } catch (...) {
- dout(0) << __func__ << ": Need version of replica, bad object_info_t: " << soid << dendl;
- assert(0);
- }
- if (bad_peer != primary) {
- peer_missing[bad_peer].add(soid, oi.version, eversion_t(), false);
- } else {
- // We should only be scrubbing if the PG is clean.
- assert(waiting_for_unreadable_object.empty());
-
- pg_log.missing_add(soid, oi.version, eversion_t());
-
- pg_log.set_last_requested(0);
- dout(10) << __func__ << ": primary = " << primary << dendl;
- }
-
- if (is_ec_pg() || bad_peer == primary) {
- // we'd better collect all shard for EC pg, and prepare good peers as the
- // source of pull in the case of replicated pg.
- missing_loc.add_missing(soid, oi.version, eversion_t());
- list<pair<ScrubMap::object, pg_shard_t> >::iterator i;
- for (i = ok_peers->begin();
- i != ok_peers->end();
- ++i)
- missing_loc.add_location(soid, i->second);
- }
-}
-
-/* replica_scrub
- *
- * Wait for last_update_applied to match msg->scrub_to as above. Wait
- * for pushes to complete in case of recent recovery. Build a single
- * scrubmap of objects that are in the range [msg->start, msg->end).
- */
-void PG::replica_scrub(
- OpRequestRef op,
- ThreadPool::TPHandle &handle)
-{
- const MOSDRepScrub *msg = static_cast<const MOSDRepScrub *>(op->get_req());
- assert(!scrubber.active_rep_scrub);
- dout(7) << "replica_scrub" << dendl;
-
- if (msg->map_epoch < info.history.same_interval_since) {
- dout(10) << "replica_scrub discarding old replica_scrub from "
- << msg->map_epoch << " < " << info.history.same_interval_since
- << dendl;
- return;
- }
-
- assert(msg->chunky);
- if (last_update_applied < msg->scrub_to) {
- dout(10) << "waiting for last_update_applied to catch up" << dendl;
- scrubber.active_rep_scrub = op;
- return;
- }
-
- if (active_pushes > 0) {
- dout(10) << "waiting for active pushes to finish" << dendl;
- scrubber.active_rep_scrub = op;
- return;
- }
-
- scrubber.state = Scrubber::BUILD_MAP_REPLICA;
- scrubber.replica_scrub_start = msg->min_epoch;
- scrubber.start = msg->start;
- scrubber.end = msg->end;
- scrubber.max_end = msg->end;
- scrubber.deep = msg->deep;
- scrubber.epoch_start = info.history.same_interval_since;
- if (msg->priority) {
- scrubber.priority = msg->priority;
- } else {
- scrubber.priority = get_scrub_priority();
- }
-
- scrub_can_preempt = msg->allow_preemption;
- scrub_preempted = false;
- scrubber.replica_scrubmap_pos.reset();
-
- requeue_scrub(msg->high_priority);
-}
-
-/* Scrub:
- * PG_STATE_SCRUBBING is set when the scrub is queued
- *
- * scrub will be chunky if all OSDs in PG support chunky scrub
- * scrub will fail if OSDs are too old.
- */
-void PG::scrub(epoch_t queued, ThreadPool::TPHandle &handle)
-{
- if (cct->_conf->osd_scrub_sleep > 0 &&
- (scrubber.state == PG::Scrubber::NEW_CHUNK ||
- scrubber.state == PG::Scrubber::INACTIVE) &&
- scrubber.needs_sleep) {
- ceph_assert(!scrubber.sleeping);
- dout(20) << __func__ << " state is INACTIVE|NEW_CHUNK, sleeping" << dendl;
-
- // Do an async sleep so we don't block the op queue
- OSDService *osds = osd;
- spg_t pgid = get_pgid();
- int state = scrubber.state;
- auto scrub_requeue_callback =
- new FunctionContext([osds, pgid, state](int r) {
- PG *pg = osds->osd->lookup_lock_pg(pgid);
- if (pg == nullptr) {
- lgeneric_dout(osds->osd->cct, 20)
- << "scrub_requeue_callback: Could not find "
- << "PG " << pgid << " can't complete scrub requeue after sleep"
- << dendl;
- return;
- }
- pg->scrubber.sleeping = false;
- pg->scrubber.needs_sleep = false;
- lgeneric_dout(pg->cct, 20)
- << "scrub_requeue_callback: slept for "
- << ceph_clock_now() - pg->scrubber.sleep_start
- << ", re-queuing scrub with state " << state << dendl;
- pg->scrub_queued = false;
- pg->requeue_scrub();
- pg->scrubber.sleep_start = utime_t();
- pg->unlock();
- });
- Mutex::Locker l(osd->scrub_sleep_lock);
- osd->scrub_sleep_timer.add_event_after(cct->_conf->osd_scrub_sleep,
- scrub_requeue_callback);
- scrubber.sleeping = true;
- scrubber.sleep_start = ceph_clock_now();
- return;
- }
- if (pg_has_reset_since(queued)) {
- return;
- }
- assert(scrub_queued);
- scrub_queued = false;
- scrubber.needs_sleep = true;
-
- // for the replica
- if (!is_primary() &&
- scrubber.state == PG::Scrubber::BUILD_MAP_REPLICA) {
- chunky_scrub(handle);
- return;
- }
-
- if (!is_primary() || !is_active() || !is_clean() || !is_scrubbing()) {
- dout(10) << "scrub -- not primary or active or not clean" << dendl;
- state_clear(PG_STATE_SCRUBBING);
- state_clear(PG_STATE_REPAIR);
- state_clear(PG_STATE_DEEP_SCRUB);
- publish_stats_to_osd();
- return;
- }
-
- if (!scrubber.active) {
- assert(backfill_targets.empty());
-
- scrubber.deep = state_test(PG_STATE_DEEP_SCRUB);
-
- dout(10) << "starting a new chunky scrub" << dendl;
- }
-
- chunky_scrub(handle);
-}
-
-/*
- * Chunky scrub scrubs objects one chunk at a time with writes blocked for that
- * chunk.
- *
- * The object store is partitioned into chunks which end on hash boundaries. For
- * each chunk, the following logic is performed:
- *
- * (1) Block writes on the chunk
- * (2) Request maps from replicas
- * (3) Wait for pushes to be applied (after recovery)
- * (4) Wait for writes to flush on the chunk
- * (5) Wait for maps from replicas
- * (6) Compare / repair all scrub maps
- * (7) Wait for digest updates to apply
- *
- * This logic is encoded in the mostly linear state machine:
- *
- * +------------------+
- * _________v__________ |
- * | | |
- * | INACTIVE | |
- * |____________________| |
- * | |
- * | +----------+ |
- * _________v___v______ | |
- * | | | |
- * | NEW_CHUNK | | |
- * |____________________| | |
- * | | |
- * _________v__________ | |
- * | | | |
- * | WAIT_PUSHES | | |
- * |____________________| | |
- * | | |
- * _________v__________ | |
- * | | | |
- * | WAIT_LAST_UPDATE | | |
- * |____________________| | |
- * | | |
- * _________v__________ | |
- * | | | |
- * | BUILD_MAP | | |
- * |____________________| | |
- * | | |
- * _________v__________ | |
- * | | | |
- * | WAIT_REPLICAS | | |
- * |____________________| | |
- * | | |
- * _________v__________ | |
- * | | | |
- * | COMPARE_MAPS | | |
- * |____________________| | |
- * | | |
- * | | |
- * _________v__________ | |
- * | | | |
- * |WAIT_DIGEST_UPDATES | | |
- * |____________________| | |
- * | | | |
- * | +----------+ |
- * _________v__________ |
- * | | |
- * | FINISH | |
- * |____________________| |
- * | |
- * +------------------+
- *
- * The primary determines the last update from the subset by walking the log. If
- * it sees a log entry pertaining to a file in the chunk, it tells the replicas
- * to wait until that update is applied before building a scrub map. Both the
- * primary and replicas will wait for any active pushes to be applied.
- *
- * In contrast to classic_scrub, chunky_scrub is entirely handled by scrub_wq.
- *
- * scrubber.state encodes the current state of the scrub (refer to state diagram
- * for details).
- */
-void PG::chunky_scrub(ThreadPool::TPHandle &handle)
-{
- // check for map changes
- if (scrubber.is_chunky_scrub_active()) {
- if (scrubber.epoch_start != info.history.same_interval_since) {
- dout(10) << "scrub pg changed, aborting" << dendl;
- scrub_clear_state();
- scrub_unreserve_replicas();
- return;
- }
- }
-
- bool done = false;
- int ret;
-
- while (!done) {
- dout(20) << "scrub state " << Scrubber::state_string(scrubber.state)
- << " [" << scrubber.start << "," << scrubber.end << ")"
- << " max_end " << scrubber.max_end << dendl;
-
- switch (scrubber.state) {
- case PG::Scrubber::INACTIVE:
- dout(10) << "scrub start" << dendl;
- assert(is_primary());
-
- publish_stats_to_osd();
- scrubber.epoch_start = info.history.same_interval_since;
- scrubber.active = true;
-
- osd->inc_scrubs_active(scrubber.reserved);
- if (scrubber.reserved) {
- scrubber.reserved = false;
- scrubber.reserved_peers.clear();
- }
-
- {
- ObjectStore::Transaction t;
- scrubber.cleanup_store(&t);
- scrubber.store.reset(Scrub::Store::create(osd->store, &t,
- info.pgid, coll));
- osd->store->queue_transaction(osr.get(), std::move(t), nullptr);
- }
-
- // Don't include temporary objects when scrubbing
- scrubber.start = info.pgid.pgid.get_hobj_start();
- scrubber.state = PG::Scrubber::NEW_CHUNK;
-
- {
- bool repair = state_test(PG_STATE_REPAIR);
- bool deep_scrub = state_test(PG_STATE_DEEP_SCRUB);
- const char *mode = (repair ? "repair": (deep_scrub ? "deep-scrub" : "scrub"));
- stringstream oss;
- oss << info.pgid.pgid << " " << mode << " starts" << std::endl;
- osd->clog->debug(oss);
- }
-
- scrubber.preempt_left = cct->_conf->get_val<uint64_t>(
- "osd_scrub_max_preemptions");
- scrubber.preempt_divisor = 1;
- break;
-
- case PG::Scrubber::NEW_CHUNK:
- scrubber.primary_scrubmap = ScrubMap();
- scrubber.received_maps.clear();
-
- // begin (possible) preemption window
- if (scrub_preempted) {
- scrubber.preempt_left--;
- scrubber.preempt_divisor *= 2;
- dout(10) << __func__ << " preempted, " << scrubber.preempt_left
- << " left" << dendl;
- scrub_preempted = false;
- }
- scrub_can_preempt = scrubber.preempt_left > 0;
-
- {
- /* get the start and end of our scrub chunk
- *
- * Our scrub chunk has an important restriction we're going to need to
- * respect. We can't let head or snapdir be start or end.
- * Using a half-open interval means that if end == head|snapdir,
- * we'd scrub/lock head and the clone right next to head in different
- * chunks which would allow us to miss clones created between
- * scrubbing that chunk and scrubbing the chunk including head.
- * This isn't true for any of the other clones since clones can
- * only be created "just to the left of" head. There is one exception
- * to this: promotion of clones which always happens to the left of the
- * left-most clone, but promote_object checks the scrubber in that
- * case, so it should be ok. Also, it's ok to "miss" clones at the
- * left end of the range if we are a tier because they may legitimately
- * not exist (see _scrub).
- */
- int min = std::max<int64_t>(3, cct->_conf->osd_scrub_chunk_min /
- scrubber.preempt_divisor);
- int max = std::max<int64_t>(min, cct->_conf->osd_scrub_chunk_max /
- scrubber.preempt_divisor);
- hobject_t start = scrubber.start;
- hobject_t candidate_end;
- vector<hobject_t> objects;
- osr->flush();
- ret = get_pgbackend()->objects_list_partial(
- start,
- min,
- max,
- &objects,
- &candidate_end);
- assert(ret >= 0);
-
- if (!objects.empty()) {
- hobject_t back = objects.back();
- while (candidate_end.has_snapset() &&
- candidate_end.get_head() == back.get_head()) {
- candidate_end = back;
- objects.pop_back();
- if (objects.empty()) {
- assert(0 ==
- "Somehow we got more than 2 objects which"
- "have the same head but are not clones");
- }
- back = objects.back();
- }
- if (candidate_end.has_snapset()) {
- assert(candidate_end.get_head() != back.get_head());
- candidate_end = candidate_end.get_object_boundary();
- }
- } else {
- assert(candidate_end.is_max());
- }
-
- if (!_range_available_for_scrub(scrubber.start, candidate_end)) {
- // we'll be requeued by whatever made us unavailable for scrub
- dout(10) << __func__ << ": scrub blocked somewhere in range "
- << "[" << scrubber.start << ", " << candidate_end << ")"
- << dendl;
- done = true;
- break;
- }
- scrubber.end = candidate_end;
- if (scrubber.end > scrubber.max_end)
- scrubber.max_end = scrubber.end;
- }
-
- // walk the log to find the latest update that affects our chunk
- scrubber.subset_last_update = eversion_t();
- for (auto p = projected_log.log.rbegin();
- p != projected_log.log.rend();
- ++p) {
- if (p->soid >= scrubber.start &&
- p->soid < scrubber.end) {
- scrubber.subset_last_update = p->version;
- break;
- }
- }
- if (scrubber.subset_last_update == eversion_t()) {
- for (list<pg_log_entry_t>::const_reverse_iterator p =
- pg_log.get_log().log.rbegin();
- p != pg_log.get_log().log.rend();
- ++p) {
- if (p->soid >= scrubber.start &&
- p->soid < scrubber.end) {
- scrubber.subset_last_update = p->version;
- break;
- }
- }
- }
-
- // ask replicas to wait until
- // last_update_applied >= scrubber.subset_last_update and then scan
- scrubber.waiting_on_whom.insert(pg_whoami);
-
- // request maps from replicas
- for (set<pg_shard_t>::iterator i = actingbackfill.begin();
- i != actingbackfill.end();
- ++i) {
- if (*i == pg_whoami) continue;
- _request_scrub_map(*i, scrubber.subset_last_update,
- scrubber.start, scrubber.end, scrubber.deep,
- scrubber.preempt_left > 0);
- scrubber.waiting_on_whom.insert(*i);
- }
- dout(10) << __func__ << " waiting_on_whom " << scrubber.waiting_on_whom
- << dendl;
-
- scrubber.state = PG::Scrubber::WAIT_PUSHES;
- break;
-
- case PG::Scrubber::WAIT_PUSHES:
- if (active_pushes == 0) {
- scrubber.state = PG::Scrubber::WAIT_LAST_UPDATE;
- } else {
- dout(15) << "wait for pushes to apply" << dendl;
- done = true;
- }
- break;
-
- case PG::Scrubber::WAIT_LAST_UPDATE:
- if (last_update_applied < scrubber.subset_last_update) {
- // will be requeued by op_applied
- dout(15) << "wait for writes to flush" << dendl;
- done = true;
- break;
- }
-
- scrubber.state = PG::Scrubber::BUILD_MAP;
- scrubber.primary_scrubmap_pos.reset();
- break;
-
- case PG::Scrubber::BUILD_MAP:
- assert(last_update_applied >= scrubber.subset_last_update);
-
- // build my own scrub map
- if (scrub_preempted) {
- dout(10) << __func__ << " preempted" << dendl;
- scrubber.state = PG::Scrubber::BUILD_MAP_DONE;
- break;
- }
- ret = build_scrub_map_chunk(
- scrubber.primary_scrubmap,
- scrubber.primary_scrubmap_pos,
- scrubber.start, scrubber.end,
- scrubber.deep,
- handle);
- if (ret == -EINPROGRESS) {
- requeue_scrub();
- done = true;
- break;
- }
- scrubber.state = PG::Scrubber::BUILD_MAP_DONE;
- break;
-
- case PG::Scrubber::BUILD_MAP_DONE:
- if (scrubber.primary_scrubmap_pos.ret < 0) {
- dout(5) << "error: " << scrubber.primary_scrubmap_pos.ret
- << ", aborting" << dendl;
- scrub_clear_state();
- scrub_unreserve_replicas();
- return;
- }
- dout(10) << __func__ << " waiting_on_whom was "
- << scrubber.waiting_on_whom << dendl;
- assert(scrubber.waiting_on_whom.count(pg_whoami));
- scrubber.waiting_on_whom.erase(pg_whoami);
-
- scrubber.state = PG::Scrubber::WAIT_REPLICAS;
- break;
-
- case PG::Scrubber::WAIT_REPLICAS:
- if (!scrubber.waiting_on_whom.empty()) {
- // will be requeued by sub_op_scrub_map
- dout(10) << "wait for replicas to build scrub map" << dendl;
- done = true;
- break;
- }
- // end (possible) preemption window
- scrub_can_preempt = false;
- if (scrub_preempted) {
- dout(10) << __func__ << " preempted, restarting chunk" << dendl;
- scrubber.state = PG::Scrubber::NEW_CHUNK;
- } else {
- scrubber.state = PG::Scrubber::COMPARE_MAPS;
- }
- break;
-
- case PG::Scrubber::COMPARE_MAPS:
- assert(last_update_applied >= scrubber.subset_last_update);
- assert(scrubber.waiting_on_whom.empty());
-
- scrub_compare_maps();
- scrubber.start = scrubber.end;
- scrubber.run_callbacks();
-
- // requeue the writes from the chunk that just finished
- requeue_ops(waiting_for_scrub);
-
- scrubber.state = PG::Scrubber::WAIT_DIGEST_UPDATES;
-
- // fall-thru
-
- case PG::Scrubber::WAIT_DIGEST_UPDATES:
- if (scrubber.num_digest_updates_pending) {
- dout(10) << __func__ << " waiting on "
- << scrubber.num_digest_updates_pending
- << " digest updates" << dendl;
- done = true;
- break;
- }
-
- scrubber.preempt_left = cct->_conf->get_val<uint64_t>(
- "osd_scrub_max_preemptions");
- scrubber.preempt_divisor = 1;
-
- if (!(scrubber.end.is_max())) {
- scrubber.state = PG::Scrubber::NEW_CHUNK;
- requeue_scrub();
- done = true;
- } else {
- scrubber.state = PG::Scrubber::FINISH;
- }
-
- break;
-
- case PG::Scrubber::FINISH:
- scrub_finish();
- scrubber.state = PG::Scrubber::INACTIVE;
- done = true;
-
- if (!snap_trimq.empty()) {
- dout(10) << "scrub finished, requeuing snap_trimmer" << dendl;
- snap_trimmer_scrub_complete();
- }
-
- break;
-
- case PG::Scrubber::BUILD_MAP_REPLICA:
- // build my own scrub map
- if (scrub_preempted) {
- dout(10) << __func__ << " preempted" << dendl;
- ret = 0;
- } else {
- ret = build_scrub_map_chunk(
- scrubber.replica_scrubmap,
- scrubber.replica_scrubmap_pos,
- scrubber.start, scrubber.end,
- scrubber.deep,
- handle);
- }
- if (ret == -EINPROGRESS) {
- requeue_scrub();
- done = true;
- break;
- }
- // reply
- if (HAVE_FEATURE(acting_features, SERVER_LUMINOUS)) {
- MOSDRepScrubMap *reply = new MOSDRepScrubMap(
- spg_t(info.pgid.pgid, get_primary().shard),
- scrubber.replica_scrub_start,
- pg_whoami);
- reply->preempted = scrub_preempted;
- ::encode(scrubber.replica_scrubmap, reply->get_data());
- osd->send_message_osd_cluster(
- get_primary().osd, reply,
- scrubber.replica_scrub_start);
- } else {
- // for jewel compatibility
- vector<OSDOp> scrub(1);
- scrub[0].op.op = CEPH_OSD_OP_SCRUB_MAP;
- hobject_t poid;
- eversion_t v;
- osd_reqid_t reqid;
- MOSDSubOp *subop = new MOSDSubOp(
- reqid,
- pg_whoami,
- spg_t(info.pgid.pgid, get_primary().shard),
- poid,
- 0,
- scrubber.replica_scrub_start,
- osd->get_tid(),
- v);
- ::encode(scrubber.replica_scrubmap, subop->get_data());
- subop->ops = scrub;
- osd->send_message_osd_cluster(
- get_primary().osd, subop,
- scrubber.replica_scrub_start);
- }
- scrub_preempted = false;
- scrub_can_preempt = false;
- scrubber.state = PG::Scrubber::INACTIVE;
- scrubber.replica_scrubmap = ScrubMap();
- scrubber.replica_scrubmap_pos = ScrubMapBuilder();
- scrubber.start = hobject_t();
- scrubber.end = hobject_t();
- scrubber.max_end = hobject_t();
- done = true;
- break;
-
- default:
- ceph_abort();
- }
- }
- dout(20) << "scrub final state " << Scrubber::state_string(scrubber.state)
- << " [" << scrubber.start << "," << scrubber.end << ")"
- << " max_end " << scrubber.max_end << dendl;
-}
-
-bool PG::write_blocked_by_scrub(const hobject_t& soid)
-{
- if (soid < scrubber.start || soid >= scrubber.end) {
- return false;
- }
- if (scrub_can_preempt) {
- if (!scrub_preempted) {
- dout(10) << __func__ << " " << soid << " preempted" << dendl;
- scrub_preempted = true;
- } else {
- dout(10) << __func__ << " " << soid << " already preempted" << dendl;
- }
- return false;
- }
- return true;
-}
-
-bool PG::range_intersects_scrub(const hobject_t &start, const hobject_t& end)
-{
- // does [start, end] intersect [scrubber.start, scrubber.max_end)
- return (start < scrubber.max_end &&
- end >= scrubber.start);
-}
-
-void PG::scrub_clear_state()
-{
- assert(is_locked());
- state_clear(PG_STATE_SCRUBBING);
- state_clear(PG_STATE_REPAIR);
- state_clear(PG_STATE_DEEP_SCRUB);
- publish_stats_to_osd();
-
- // active -> nothing.
- if (scrubber.active)
- osd->dec_scrubs_active();
-
- requeue_ops(waiting_for_scrub);
-
- scrubber.reset();
-
- // type-specific state clear
- _scrub_clear_state();
-}
-
-void PG::scrub_compare_maps()
-{
- dout(10) << __func__ << " has maps, analyzing" << dendl;
-
- // construct authoritative scrub map for type specific scrubbing
- scrubber.cleaned_meta_map.insert(scrubber.primary_scrubmap);
- map<hobject_t,
- pair<boost::optional<uint32_t>,
- boost::optional<uint32_t>>> missing_digest;
-
- map<pg_shard_t, ScrubMap *> maps;
- maps[pg_whoami] = &scrubber.primary_scrubmap;
-
- for (const auto& i : actingbackfill) {
- if (i == pg_whoami) continue;
- dout(2) << __func__ << " replica " << i << " has "
- << scrubber.received_maps[i].objects.size()
- << " items" << dendl;
- maps[i] = &scrubber.received_maps[i];
- }
-
- set<hobject_t> master_set;
-
- // Construct master set
- for (const auto map : maps) {
- for (const auto i : map.second->objects) {
- master_set.insert(i.first);
- }
- }
-
- stringstream ss;
- get_pgbackend()->be_large_omap_check(maps, master_set,
- scrubber.large_omap_objects, ss);
- if (!ss.str().empty()) {
- osd->clog->warn(ss);
- }
-
- if (acting.size() > 1) {
- dout(10) << __func__ << " comparing replica scrub maps" << dendl;
-
- // Map from object with errors to good peer
- map<hobject_t, list<pg_shard_t>> authoritative;
-
- dout(2) << __func__ << " osd." << acting[0] << " has "
- << scrubber.primary_scrubmap.objects.size() << " items" << dendl;
-
- ss.str("");
- ss.clear();
-
- get_pgbackend()->be_compare_scrubmaps(
- maps,
- master_set,
- state_test(PG_STATE_REPAIR),
- scrubber.missing,
- scrubber.inconsistent,
- authoritative,
- missing_digest,
- scrubber.shallow_errors,
- scrubber.deep_errors,
- scrubber.store.get(),
- info.pgid, acting,
- ss);
- dout(2) << ss.str() << dendl;
-
- if (!ss.str().empty()) {
- osd->clog->error(ss);
- }
-
- for (map<hobject_t, list<pg_shard_t>>::iterator i = authoritative.begin();
- i != authoritative.end();
- ++i) {
- list<pair<ScrubMap::object, pg_shard_t> > good_peers;
- for (list<pg_shard_t>::const_iterator j = i->second.begin();
- j != i->second.end();
- ++j) {
- good_peers.push_back(make_pair(maps[*j]->objects[i->first], *j));
- }
- scrubber.authoritative.insert(
- make_pair(
- i->first,
- good_peers));
- }
-
- for (map<hobject_t, list<pg_shard_t>>::iterator i = authoritative.begin();
- i != authoritative.end();
- ++i) {
- scrubber.cleaned_meta_map.objects.erase(i->first);
- scrubber.cleaned_meta_map.objects.insert(
- *(maps[i->second.back()]->objects.find(i->first))
- );
- }
- }
-
- ScrubMap for_meta_scrub;
- scrubber.clean_meta_map(for_meta_scrub);
-
- // ok, do the pg-type specific scrubbing
- scrub_snapshot_metadata(for_meta_scrub, missing_digest);
- // Called here on the primary can use an authoritative map if it isn't the primary
- _scan_snaps(for_meta_scrub);
- if (!scrubber.store->empty()) {
- if (state_test(PG_STATE_REPAIR)) {
- dout(10) << __func__ << ": discarding scrub results" << dendl;
- scrubber.store->flush(nullptr);
- } else {
- dout(10) << __func__ << ": updating scrub object" << dendl;
- ObjectStore::Transaction t;
- scrubber.store->flush(&t);
- osd->store->queue_transaction(osr.get(), std::move(t), nullptr);
- }
- }
-}
-
-bool PG::scrub_process_inconsistent()
-{
- dout(10) << __func__ << ": checking authoritative" << dendl;
- bool repair = state_test(PG_STATE_REPAIR);
- bool deep_scrub = state_test(PG_STATE_DEEP_SCRUB);
- const char *mode = (repair ? "repair": (deep_scrub ? "deep-scrub" : "scrub"));
-
- // authoriative only store objects which missing or inconsistent.
- if (!scrubber.authoritative.empty()) {
- stringstream ss;
- ss << info.pgid << " " << mode << " "
- << scrubber.missing.size() << " missing, "
- << scrubber.inconsistent.size() << " inconsistent objects";
- dout(2) << ss.str() << dendl;
- osd->clog->error(ss);
- if (repair) {
- state_clear(PG_STATE_CLEAN);
- for (map<hobject_t, list<pair<ScrubMap::object, pg_shard_t> >>::iterator i =
- scrubber.authoritative.begin();
- i != scrubber.authoritative.end();
- ++i) {
- set<pg_shard_t>::iterator j;
-
- auto missing_entry = scrubber.missing.find(i->first);
- if (missing_entry != scrubber.missing.end()) {
- for (j = missing_entry->second.begin();
- j != missing_entry->second.end();
- ++j) {
- repair_object(
- i->first,
- &(i->second),
- *j);
- ++scrubber.fixed;
- }
- }
- if (scrubber.inconsistent.count(i->first)) {
- for (j = scrubber.inconsistent[i->first].begin();
- j != scrubber.inconsistent[i->first].end();
- ++j) {
- repair_object(i->first,
- &(i->second),
- *j);
- ++scrubber.fixed;
- }
- }
- }
- }
- }
- return (!scrubber.authoritative.empty() && repair);
-}
-
-bool PG::ops_blocked_by_scrub() const {
- return (waiting_for_scrub.size() != 0);
-}
-
-// the part that actually finalizes a scrub
-void PG::scrub_finish()
-{
- bool repair = state_test(PG_STATE_REPAIR);
- // if the repair request comes from auto-repair and large number of errors,
- // we would like to cancel auto-repair
- if (repair && scrubber.auto_repair
- && scrubber.authoritative.size() > cct->_conf->osd_scrub_auto_repair_num_errors) {
- state_clear(PG_STATE_REPAIR);
- repair = false;
- }
- bool deep_scrub = state_test(PG_STATE_DEEP_SCRUB);
- const char *mode = (repair ? "repair": (deep_scrub ? "deep-scrub" : "scrub"));
-
- // type-specific finish (can tally more errors)
- _scrub_finish();
-
- bool has_error = scrub_process_inconsistent();
-
- {
- stringstream oss;
- oss << info.pgid.pgid << " " << mode << " ";
- int total_errors = scrubber.shallow_errors + scrubber.deep_errors;
- if (total_errors)
- oss << total_errors << " errors";
- else
- oss << "ok";
- if (!deep_scrub && info.stats.stats.sum.num_deep_scrub_errors)
- oss << " ( " << info.stats.stats.sum.num_deep_scrub_errors
- << " remaining deep scrub error details lost)";
- if (repair)
- oss << ", " << scrubber.fixed << " fixed";
- if (total_errors)
- osd->clog->error(oss);
- else
- osd->clog->debug(oss);
- }
-
- // finish up
- unreg_next_scrub();
- utime_t now = ceph_clock_now();
- info.history.last_scrub = info.last_update;
- info.history.last_scrub_stamp = now;
- if (scrubber.deep) {
- info.history.last_deep_scrub = info.last_update;
- info.history.last_deep_scrub_stamp = now;
- }
- // Since we don't know which errors were fixed, we can only clear them
- // when every one has been fixed.
- if (repair) {
- if (scrubber.fixed == scrubber.shallow_errors + scrubber.deep_errors) {
- assert(deep_scrub);
- scrubber.shallow_errors = scrubber.deep_errors = 0;
- } else {
- // Deep scrub in order to get corrected error counts
- scrub_after_recovery = true;
- }
- }
- if (deep_scrub) {
- if ((scrubber.shallow_errors == 0) && (scrubber.deep_errors == 0))
- info.history.last_clean_scrub_stamp = now;
- info.stats.stats.sum.num_shallow_scrub_errors = scrubber.shallow_errors;
- info.stats.stats.sum.num_deep_scrub_errors = scrubber.deep_errors;
- info.stats.stats.sum.num_large_omap_objects = scrubber.large_omap_objects;
- } else {
- info.stats.stats.sum.num_shallow_scrub_errors = scrubber.shallow_errors;
- // XXX: last_clean_scrub_stamp doesn't mean the pg is not inconsistent
- // because of deep-scrub errors
- if (scrubber.shallow_errors == 0)
- info.history.last_clean_scrub_stamp = now;
- }
- info.stats.stats.sum.num_scrub_errors =
- info.stats.stats.sum.num_shallow_scrub_errors +
- info.stats.stats.sum.num_deep_scrub_errors;
- reg_next_scrub();
-
- {
- ObjectStore::Transaction t;
- dirty_info = true;
- write_if_dirty(t);
- int tr = osd->store->queue_transaction(osr.get(), std::move(t), NULL);
- assert(tr == 0);
- }
-
-
- if (has_error) {
- queue_peering_event(
- CephPeeringEvtRef(
- std::make_shared<CephPeeringEvt>(
- get_osdmap()->get_epoch(),
- get_osdmap()->get_epoch(),
- DoRecovery())));
- }
-
- scrub_clear_state();
- scrub_unreserve_replicas();
-
- if (is_active() && is_primary()) {
- share_pg_info();
- }
-}
-
-void PG::share_pg_info()
-{
- dout(10) << "share_pg_info" << dendl;
-
- // share new pg_info_t with replicas
- assert(!actingbackfill.empty());
- for (set<pg_shard_t>::iterator i = actingbackfill.begin();
- i != actingbackfill.end();
- ++i) {
- if (*i == pg_whoami) continue;
- pg_shard_t peer = *i;
- if (peer_info.count(peer)) {
- peer_info[peer].last_epoch_started = info.last_epoch_started;
- peer_info[peer].last_interval_started = info.last_interval_started;
- peer_info[peer].history.merge(info.history);
- }
- MOSDPGInfo *m = new MOSDPGInfo(get_osdmap()->get_epoch());
- m->pg_list.push_back(
- make_pair(
- pg_notify_t(
- peer.shard, pg_whoami.shard,
- get_osdmap()->get_epoch(),
- get_osdmap()->get_epoch(),
- info),
- PastIntervals()));
- osd->send_message_osd_cluster(peer.osd, m, get_osdmap()->get_epoch());
- }
-}
-
-bool PG::append_log_entries_update_missing(
- const mempool::osd_pglog::list<pg_log_entry_t> &entries,
- ObjectStore::Transaction &t, boost::optional<eversion_t> trim_to,
- boost::optional<eversion_t> roll_forward_to)
-{
- assert(!entries.empty());
- assert(entries.begin()->version > info.last_update);
-
- PGLogEntryHandler rollbacker{this, &t};
- bool invalidate_stats =
- pg_log.append_new_log_entries(info.last_backfill,
- info.last_backfill_bitwise,
- entries,
- &rollbacker);
-
- if (roll_forward_to && entries.rbegin()->soid > info.last_backfill) {
- pg_log.roll_forward(&rollbacker);
- }
- if (roll_forward_to && *roll_forward_to > pg_log.get_can_rollback_to()) {
- pg_log.roll_forward_to(*roll_forward_to, &rollbacker);
- last_rollback_info_trimmed_to_applied = *roll_forward_to;
- }
-
- info.last_update = pg_log.get_head();
-
- if (pg_log.get_missing().num_missing() == 0) {
- // advance last_complete since nothing else is missing!
- info.last_complete = info.last_update;
- }
- info.stats.stats_invalid = info.stats.stats_invalid || invalidate_stats;
-
- dout(20) << __func__ << "trim_to bool = " << bool(trim_to) << " trim_to = " << (trim_to ? *trim_to : eversion_t()) << dendl;
- if (trim_to)
- pg_log.trim(*trim_to, info);
- dirty_info = true;
- write_if_dirty(t);
- return invalidate_stats;
-}
-
-
-void PG::merge_new_log_entries(
- const mempool::osd_pglog::list<pg_log_entry_t> &entries,
- ObjectStore::Transaction &t,
- boost::optional<eversion_t> trim_to,
- boost::optional<eversion_t> roll_forward_to)
-{
- dout(10) << __func__ << " " << entries << dendl;
- assert(is_primary());
-
- bool rebuild_missing = append_log_entries_update_missing(entries, t, trim_to, roll_forward_to);
- for (set<pg_shard_t>::const_iterator i = actingbackfill.begin();
- i != actingbackfill.end();
- ++i) {
- pg_shard_t peer(*i);
- if (peer == pg_whoami) continue;
- assert(peer_missing.count(peer));
- assert(peer_info.count(peer));
- pg_missing_t& pmissing(peer_missing[peer]);
- dout(20) << __func__ << " peer_missing for " << peer << " = " << pmissing << dendl;
- pg_info_t& pinfo(peer_info[peer]);
- bool invalidate_stats = PGLog::append_log_entries_update_missing(
- pinfo.last_backfill,
- info.last_backfill_bitwise,
- entries,
- true,
- NULL,
- pmissing,
- NULL,
- this);
- pinfo.last_update = info.last_update;
- pinfo.stats.stats_invalid = pinfo.stats.stats_invalid || invalidate_stats;
- rebuild_missing = rebuild_missing || invalidate_stats;
- }
-
- if (!rebuild_missing) {
- return;
- }
-
- for (auto &&i: entries) {
- missing_loc.rebuild(
- i.soid,
- pg_whoami,
- actingbackfill,
- info,
- pg_log.get_missing(),
- peer_missing,
- peer_info);
- }
-}
-
-void PG::update_history(const pg_history_t& new_history)
-{
- unreg_next_scrub();
- if (info.history.merge(new_history)) {
- dout(20) << __func__ << " advanced history from " << new_history << dendl;
- dirty_info = true;
- if (info.history.last_epoch_clean >= info.history.same_interval_since) {
- dout(20) << __func__ << " clearing past_intervals" << dendl;
- past_intervals.clear();
- dirty_big_info = true;
- }
- }
- reg_next_scrub();
-}
-
-void PG::fulfill_info(
- pg_shard_t from, const pg_query_t &query,
- pair<pg_shard_t, pg_info_t> ¬ify_info)
-{
- assert(from == primary);
- assert(query.type == pg_query_t::INFO);
-
- // info
- dout(10) << "sending info" << dendl;
- notify_info = make_pair(from, info);
-}
-
-void PG::fulfill_log(
- pg_shard_t from, const pg_query_t &query, epoch_t query_epoch)
-{
- dout(10) << "log request from " << from << dendl;
- assert(from == primary);
- assert(query.type != pg_query_t::INFO);
- ConnectionRef con = osd->get_con_osd_cluster(
- from.osd, get_osdmap()->get_epoch());
- if (!con) return;
-
- MOSDPGLog *mlog = new MOSDPGLog(
- from.shard, pg_whoami.shard,
- get_osdmap()->get_epoch(),
- info, query_epoch);
- mlog->missing = pg_log.get_missing();
-
- // primary -> other, when building master log
- if (query.type == pg_query_t::LOG) {
- dout(10) << " sending info+missing+log since " << query.since
- << dendl;
- if (query.since != eversion_t() && query.since < pg_log.get_tail()) {
- osd->clog->error() << info.pgid << " got broken pg_query_t::LOG since " << query.since
- << " when my log.tail is " << pg_log.get_tail()
- << ", sending full log instead";
- mlog->log = pg_log.get_log(); // primary should not have requested this!!
- } else
- mlog->log.copy_after(pg_log.get_log(), query.since);
- }
- else if (query.type == pg_query_t::FULLLOG) {
- dout(10) << " sending info+missing+full log" << dendl;
- mlog->log = pg_log.get_log();
- }
-
- dout(10) << " sending " << mlog->log << " " << mlog->missing << dendl;
-
- osd->share_map_peer(from.osd, con.get(), get_osdmap());
- osd->send_message_osd_cluster(mlog, con.get());
-}
-
-void PG::fulfill_query(const MQuery& query, RecoveryCtx *rctx)
-{
- if (query.query.type == pg_query_t::INFO) {
- pair<pg_shard_t, pg_info_t> notify_info;
- update_history(query.query.history);
- fulfill_info(query.from, query.query, notify_info);
- rctx->send_notify(
- notify_info.first,
- pg_notify_t(
- notify_info.first.shard, pg_whoami.shard,
- query.query_epoch,
- get_osdmap()->get_epoch(),
- notify_info.second),
- past_intervals);
- } else {
- update_history(query.query.history);
- fulfill_log(query.from, query.query, query.query_epoch);
- }
-}
-
-void PG::check_full_transition(OSDMapRef lastmap, OSDMapRef osdmap)
-{
- bool changed = false;
- if (osdmap->test_flag(CEPH_OSDMAP_FULL) &&
- !lastmap->test_flag(CEPH_OSDMAP_FULL)) {
- dout(10) << " cluster was marked full in " << osdmap->get_epoch() << dendl;
- changed = true;
- }
- const pg_pool_t *pi = osdmap->get_pg_pool(info.pgid.pool());
- assert(pi);
- if (pi->has_flag(pg_pool_t::FLAG_FULL)) {
- const pg_pool_t *opi = lastmap->get_pg_pool(info.pgid.pool());
- if (!opi || !opi->has_flag(pg_pool_t::FLAG_FULL)) {
- dout(10) << " pool was marked full in " << osdmap->get_epoch() << dendl;
- changed = true;
- }
- }
- if (changed) {
- info.history.last_epoch_marked_full = osdmap->get_epoch();
- dirty_info = true;
- }
-}
-
-bool PG::should_restart_peering(
- int newupprimary,
- int newactingprimary,
- const vector<int>& newup,
- const vector<int>& newacting,
- OSDMapRef lastmap,
- OSDMapRef osdmap)
-{
- if (PastIntervals::is_new_interval(
- primary.osd,
- newactingprimary,
- acting,
- newacting,
- up_primary.osd,
- newupprimary,
- up,
- newup,
- osdmap,
- lastmap,
- info.pgid.pgid)) {
- dout(20) << "new interval newup " << newup
- << " newacting " << newacting << dendl;
- return true;
- }
- if (!lastmap->is_up(osd->whoami) && osdmap->is_up(osd->whoami)) {
- dout(10) << __func__ << " osd transitioned from down -> up" << dendl;
- return true;
- }
- return false;
-}
-
-bool PG::old_peering_msg(epoch_t reply_epoch, epoch_t query_epoch)
-{
- if (last_peering_reset > reply_epoch ||
- last_peering_reset > query_epoch) {
- dout(10) << "old_peering_msg reply_epoch " << reply_epoch << " query_epoch " << query_epoch
- << " last_peering_reset " << last_peering_reset
- << dendl;
- return true;
- }
- return false;
-}
-
-void PG::set_last_peering_reset()
-{
- dout(20) << "set_last_peering_reset " << get_osdmap()->get_epoch() << dendl;
- if (last_peering_reset != get_osdmap()->get_epoch()) {
- last_peering_reset = get_osdmap()->get_epoch();
- reset_interval_flush();
- }
-}
-
-struct FlushState {
- PGRef pg;
- epoch_t epoch;
- FlushState(PG *pg, epoch_t epoch) : pg(pg), epoch(epoch) {}
- ~FlushState() {
- pg->lock();
- if (!pg->pg_has_reset_since(epoch))
- pg->queue_flushed(epoch);
- pg->unlock();
- }
-};
-typedef ceph::shared_ptr<FlushState> FlushStateRef;
-
-void PG::start_flush(ObjectStore::Transaction *t,
- list<Context *> *on_applied,
- list<Context *> *on_safe)
-{
- // flush in progress ops
- FlushStateRef flush_trigger (std::make_shared<FlushState>(
- this, get_osdmap()->get_epoch()));
- t->nop();
- flushes_in_progress++;
- on_applied->push_back(new ContainerContext<FlushStateRef>(flush_trigger));
- on_safe->push_back(new ContainerContext<FlushStateRef>(flush_trigger));
-}
-
-void PG::reset_interval_flush()
-{
- dout(10) << "Clearing blocked outgoing recovery messages" << dendl;
- recovery_state.clear_blocked_outgoing();
-
- Context *c = new QueuePeeringEvt<IntervalFlush>(
- this, get_osdmap()->get_epoch(), IntervalFlush());
- if (!osr->flush_commit(c)) {
- dout(10) << "Beginning to block outgoing recovery messages" << dendl;
- recovery_state.begin_block_outgoing();
- } else {
- dout(10) << "Not blocking outgoing recovery messages" << dendl;
- delete c;
- }
-}
-
-/* Called before initializing peering during advance_map */
-void PG::start_peering_interval(
- const OSDMapRef lastmap,
- const vector<int>& newup, int new_up_primary,
- const vector<int>& newacting, int new_acting_primary,
- ObjectStore::Transaction *t)
-{
- const OSDMapRef osdmap = get_osdmap();
-
- set_last_peering_reset();
-
- vector<int> oldacting, oldup;
- int oldrole = get_role();
-
- unreg_next_scrub();
-
- pg_shard_t old_acting_primary = get_primary();
- pg_shard_t old_up_primary = up_primary;
- bool was_old_primary = is_primary();
- bool was_old_replica = is_replica();
-
- acting.swap(oldacting);
- up.swap(oldup);
- init_primary_up_acting(
- newup,
- newacting,
- new_up_primary,
- new_acting_primary);
-
- if (info.stats.up != up ||
- info.stats.acting != acting ||
- info.stats.up_primary != new_up_primary ||
- info.stats.acting_primary != new_acting_primary) {
- info.stats.up = up;
- info.stats.up_primary = new_up_primary;
- info.stats.acting = acting;
- info.stats.acting_primary = new_acting_primary;
- info.stats.mapping_epoch = osdmap->get_epoch();
- }
-
- pg_stats_publish_lock.Lock();
- pg_stats_publish_valid = false;
- pg_stats_publish_lock.Unlock();
-
- // This will now be remapped during a backfill in cases
- // that it would not have been before.
- if (up != acting)
- state_set(PG_STATE_REMAPPED);
- else
- state_clear(PG_STATE_REMAPPED);
-
- int role = osdmap->calc_pg_role(osd->whoami, acting, acting.size());
- if (pool.info.is_replicated() || role == pg_whoami.shard)
- set_role(role);
- else
- set_role(-1);
-
- // did acting, up, primary|acker change?
- if (!lastmap) {
- dout(10) << " no lastmap" << dendl;
- dirty_info = true;
- dirty_big_info = true;
- info.history.same_interval_since = osdmap->get_epoch();
- } else {
- std::stringstream debug;
- assert(info.history.same_interval_since != 0);
- boost::scoped_ptr<IsPGRecoverablePredicate> recoverable(
- get_is_recoverable_predicate());
- bool new_interval = PastIntervals::check_new_interval(
- old_acting_primary.osd,
- new_acting_primary,
- oldacting, newacting,
- old_up_primary.osd,
- new_up_primary,
- oldup, newup,
- info.history.same_interval_since,
- info.history.last_epoch_clean,
- osdmap,
- lastmap,
- info.pgid.pgid,
- recoverable.get(),
- &past_intervals,
- &debug);
- dout(10) << __func__ << ": check_new_interval output: "
- << debug.str() << dendl;
- if (new_interval) {
- if (osdmap->get_epoch() == osd->get_superblock().oldest_map &&
- info.history.last_epoch_clean < osdmap->get_epoch()) {
- dout(10) << " map gap, clearing past_intervals and faking" << dendl;
- // our information is incomplete and useless; someone else was clean
- // after everything we know if osdmaps were trimmed.
- past_intervals.clear();
- } else {
- dout(10) << " noting past " << past_intervals << dendl;
- }
- dirty_info = true;
- dirty_big_info = true;
- info.history.same_interval_since = osdmap->get_epoch();
- if (info.pgid.pgid.is_split(lastmap->get_pg_num(info.pgid.pgid.pool()),
- osdmap->get_pg_num(info.pgid.pgid.pool()),
- nullptr)) {
- info.history.last_epoch_split = osdmap->get_epoch();
- }
- }
- }
-
- if (old_up_primary != up_primary ||
- oldup != up) {
- info.history.same_up_since = osdmap->get_epoch();
- }
- // this comparison includes primary rank via pg_shard_t
- if (old_acting_primary != get_primary()) {
- info.history.same_primary_since = osdmap->get_epoch();
- }
-
- on_new_interval();
-
- dout(1) << __func__ << " up " << oldup << " -> " << up
- << ", acting " << oldacting << " -> " << acting
- << ", acting_primary " << old_acting_primary << " -> " << new_acting_primary
- << ", up_primary " << old_up_primary << " -> " << new_up_primary
- << ", role " << oldrole << " -> " << role
- << ", features acting " << acting_features
- << " upacting " << upacting_features
- << dendl;
-
- // deactivate.
- state_clear(PG_STATE_ACTIVE);
- state_clear(PG_STATE_PEERED);
- state_clear(PG_STATE_DOWN);
- state_clear(PG_STATE_RECOVERY_WAIT);
- state_clear(PG_STATE_RECOVERY_TOOFULL);
- state_clear(PG_STATE_RECOVERING);
-
- peer_purged.clear();
- actingbackfill.clear();
- scrub_queued = false;
-
- // reset primary/replica state?
- if (was_old_primary || is_primary()) {
- osd->remove_want_pg_temp(info.pgid.pgid);
- } else if (was_old_replica || is_replica()) {
- osd->remove_want_pg_temp(info.pgid.pgid);
- }
- clear_primary_state();
-
-
- // pg->on_*
- on_change(t);
-
- projected_last_update = eversion_t();
-
- assert(!deleting);
-
- // should we tell the primary we are here?
- send_notify = !is_primary();
-
- if (role != oldrole ||
- was_old_primary != is_primary()) {
- // did primary change?
- if (was_old_primary != is_primary()) {
- state_clear(PG_STATE_CLEAN);
- clear_publish_stats();
- }
-
- on_role_change();
-
- // take active waiters
- requeue_ops(waiting_for_peered);
-
- } else {
- // no role change.
- // did primary change?
- if (get_primary() != old_acting_primary) {
- dout(10) << *this << " " << oldacting << " -> " << acting
- << ", acting primary "
- << old_acting_primary << " -> " << get_primary()
- << dendl;
- } else {
- // primary is the same.
- if (is_primary()) {
- // i am (still) primary. but my replica set changed.
- state_clear(PG_STATE_CLEAN);
-
- dout(10) << oldacting << " -> " << acting
- << ", replicas changed" << dendl;
- }
- }
- }
- cancel_recovery();
-
- if (acting.empty() && !up.empty() && up_primary == pg_whoami) {
- dout(10) << " acting empty, but i am up[0], clearing pg_temp" << dendl;
- osd->queue_want_pg_temp(info.pgid.pgid, acting);
- }
-}
-
-void PG::on_new_interval()
-{
- const OSDMapRef osdmap = get_osdmap();
-
- reg_next_scrub();
-
- // initialize features
- acting_features = CEPH_FEATURES_SUPPORTED_DEFAULT;
- upacting_features = CEPH_FEATURES_SUPPORTED_DEFAULT;
- for (vector<int>::iterator p = acting.begin(); p != acting.end(); ++p) {
- if (*p == CRUSH_ITEM_NONE)
- continue;
- uint64_t f = osdmap->get_xinfo(*p).features;
- acting_features &= f;
- upacting_features &= f;
- }
- for (vector<int>::iterator p = up.begin(); p != up.end(); ++p) {
- if (*p == CRUSH_ITEM_NONE)
- continue;
- upacting_features &= osdmap->get_xinfo(*p).features;
- }
-
- _on_new_interval();
-}
-
-void PG::proc_primary_info(ObjectStore::Transaction &t, const pg_info_t &oinfo)
-{
- assert(!is_primary());
-
- update_history(oinfo.history);
- if (!info.stats.stats_invalid && info.stats.stats.sum.num_scrub_errors) {
- info.stats.stats.sum.num_scrub_errors = 0;
- info.stats.stats.sum.num_shallow_scrub_errors = 0;
- info.stats.stats.sum.num_deep_scrub_errors = 0;
- dirty_info = true;
- }
-
- if (!(info.purged_snaps == oinfo.purged_snaps)) {
- dout(10) << __func__ << " updating purged_snaps to " << oinfo.purged_snaps
- << dendl;
- info.purged_snaps = oinfo.purged_snaps;
- dirty_info = true;
- dirty_big_info = true;
- }
-}
-
-ostream& operator<<(ostream& out, const PG& pg)
-{
- out << "pg[" << pg.info
- << " " << pg.up;
- if (pg.acting != pg.up)
- out << "/" << pg.acting;
- if (pg.is_ec_pg())
- out << "p" << pg.get_primary();
- out << " r=" << pg.get_role();
- out << " lpr=" << pg.get_last_peering_reset();
-
- if (!pg.past_intervals.empty()) {
- out << " pi=[" << pg.past_intervals.get_bounds()
- << ")/" << pg.past_intervals.size();
- }
-
- if (pg.is_peered()) {
- if (pg.last_update_ondisk != pg.info.last_update)
- out << " luod=" << pg.last_update_ondisk;
- if (pg.last_update_applied != pg.info.last_update)
- out << " lua=" << pg.last_update_applied;
- }
-
- if (pg.recovery_ops_active)
- out << " rops=" << pg.recovery_ops_active;
-
- if (pg.pg_log.get_tail() != pg.info.log_tail ||
- pg.pg_log.get_head() != pg.info.last_update)
- out << " (info mismatch, " << pg.pg_log.get_log() << ")";
-
- if (!pg.pg_log.get_log().empty()) {
- if ((pg.pg_log.get_log().log.begin()->version <= pg.pg_log.get_tail())) {
- out << " (log bound mismatch, actual=["
- << pg.pg_log.get_log().log.begin()->version << ","
- << pg.pg_log.get_log().log.rbegin()->version << "]";
- out << ")";
- }
- }
-
- if (!pg.backfill_targets.empty())
- out << " bft=" << pg.backfill_targets;
- out << " crt=" << pg.pg_log.get_can_rollback_to();
-
- if (pg.last_complete_ondisk != pg.info.last_complete)
- out << " lcod " << pg.last_complete_ondisk;
-
- if (pg.is_primary()) {
- out << " mlcod " << pg.min_last_complete_ondisk;
- }
-
- out << " " << pg_state_string(pg.get_state());
- if (pg.should_send_notify())
- out << " NOTIFY";
-
- if (pg.scrubber.must_repair)
- out << " MUST_REPAIR";
- if (pg.scrubber.auto_repair)
- out << " AUTO_REPAIR";
- if (pg.scrubber.must_deep_scrub)
- out << " MUST_DEEP_SCRUB";
- if (pg.scrubber.must_scrub)
- out << " MUST_SCRUB";
-
- //out << " (" << pg.pg_log.get_tail() << "," << pg.pg_log.get_head() << "]";
- if (pg.pg_log.get_missing().num_missing()) {
- out << " m=" << pg.pg_log.get_missing().num_missing();
- if (pg.is_primary()) {
- uint64_t unfound = pg.get_num_unfound();
- if (unfound)
- out << " u=" << unfound;
- }
- }
- if (pg.snap_trimq.size())
- out << " snaptrimq=" << pg.snap_trimq;
- if (!pg.is_clean()) {
- out << " mbc=" << pg.missing_loc.get_missing_by_count();
- }
-
- out << "]";
-
-
- return out;
-}
-
-bool PG::can_discard_op(OpRequestRef& op)
-{
- const MOSDOp *m = static_cast<const MOSDOp*>(op->get_req());
- if (cct->_conf->osd_discard_disconnected_ops && OSD::op_is_discardable(m)) {
- dout(20) << " discard " << *m << dendl;
- return true;
- }
-
- if (m->get_map_epoch() < info.history.same_primary_since) {
- dout(7) << " changed after " << m->get_map_epoch()
- << ", dropping " << *m << dendl;
- return true;
- }
-
- if (m->get_connection()->has_feature(CEPH_FEATURE_RESEND_ON_SPLIT)) {
- if (m->get_map_epoch() < pool.info.get_last_force_op_resend()) {
- dout(7) << __func__ << " sent before last_force_op_resend "
- << pool.info.last_force_op_resend << ", dropping" << *m << dendl;
- return true;
- }
- if (m->get_map_epoch() < info.history.last_epoch_split) {
- dout(7) << __func__ << " pg split in "
- << info.history.last_epoch_split << ", dropping" << dendl;
- return true;
- }
- } else if (m->get_connection()->has_feature(CEPH_FEATURE_OSD_POOLRESEND)) {
- if (m->get_map_epoch() < pool.info.get_last_force_op_resend_preluminous()) {
- dout(7) << __func__ << " sent before last_force_op_resend_preluminous "
- << pool.info.last_force_op_resend_preluminous
- << ", dropping" << *m << dendl;
- return true;
- }
- }
-
- return false;
-}
-
-template<typename T, int MSGTYPE>
-bool PG::can_discard_replica_op(OpRequestRef& op)
-{
- const T *m = static_cast<const T *>(op->get_req());
- assert(m->get_type() == MSGTYPE);
-
- int from = m->get_source().num();
-
- // if a repop is replied after a replica goes down in a new osdmap, and
- // before the pg advances to this new osdmap, the repop replies before this
- // repop can be discarded by that replica OSD, because the primary resets the
- // connection to it when handling the new osdmap marking it down, and also
- // resets the messenger sesssion when the replica reconnects. to avoid the
- // out-of-order replies, the messages from that replica should be discarded.
- if (osd->get_osdmap()->is_down(from))
- return true;
- /* Mostly, this overlaps with the old_peering_msg
- * condition. An important exception is pushes
- * sent by replicas not in the acting set, since
- * if such a replica goes down it does not cause
- * a new interval. */
- if (get_osdmap()->get_down_at(from) >= m->map_epoch)
- return true;
-
- // same pg?
- // if pg changes _at all_, we reset and repeer!
- if (old_peering_msg(m->map_epoch, m->map_epoch)) {
- dout(10) << "can_discard_replica_op pg changed " << info.history
- << " after " << m->map_epoch
- << ", dropping" << dendl;
- return true;
- }
- return false;
-}
-
-bool PG::can_discard_scan(OpRequestRef op)
-{
- const MOSDPGScan *m = static_cast<const MOSDPGScan *>(op->get_req());
- assert(m->get_type() == MSG_OSD_PG_SCAN);
-
- if (old_peering_msg(m->map_epoch, m->query_epoch)) {
- dout(10) << " got old scan, ignoring" << dendl;
- return true;
- }
- return false;
-}
-
-bool PG::can_discard_backfill(OpRequestRef op)
-{
- const MOSDPGBackfill *m = static_cast<const MOSDPGBackfill *>(op->get_req());
- assert(m->get_type() == MSG_OSD_PG_BACKFILL);
-
- if (old_peering_msg(m->map_epoch, m->query_epoch)) {
- dout(10) << " got old backfill, ignoring" << dendl;
- return true;
- }
-
- return false;
-
-}
-
-bool PG::can_discard_request(OpRequestRef& op)
-{
- switch (op->get_req()->get_type()) {
- case CEPH_MSG_OSD_OP:
- return can_discard_op(op);
- case CEPH_MSG_OSD_BACKOFF:
- return false; // never discard
- case MSG_OSD_SUBOP:
- return can_discard_replica_op<MOSDSubOp, MSG_OSD_SUBOP>(op);
- case MSG_OSD_REPOP:
- return can_discard_replica_op<MOSDRepOp, MSG_OSD_REPOP>(op);
- case MSG_OSD_PG_PUSH:
- return can_discard_replica_op<MOSDPGPush, MSG_OSD_PG_PUSH>(op);
- case MSG_OSD_PG_PULL:
- return can_discard_replica_op<MOSDPGPull, MSG_OSD_PG_PULL>(op);
- case MSG_OSD_PG_PUSH_REPLY:
- return can_discard_replica_op<MOSDPGPushReply, MSG_OSD_PG_PUSH_REPLY>(op);
- case MSG_OSD_SUBOPREPLY:
- return can_discard_replica_op<MOSDSubOpReply, MSG_OSD_SUBOPREPLY>(op);
- case MSG_OSD_REPOPREPLY:
- return can_discard_replica_op<MOSDRepOpReply, MSG_OSD_REPOPREPLY>(op);
- case MSG_OSD_PG_RECOVERY_DELETE:
- return can_discard_replica_op<MOSDPGRecoveryDelete, MSG_OSD_PG_RECOVERY_DELETE>(op);
-
- case MSG_OSD_PG_RECOVERY_DELETE_REPLY:
- return can_discard_replica_op<MOSDPGRecoveryDeleteReply, MSG_OSD_PG_RECOVERY_DELETE_REPLY>(op);
-
- case MSG_OSD_EC_WRITE:
- return can_discard_replica_op<MOSDECSubOpWrite, MSG_OSD_EC_WRITE>(op);
- case MSG_OSD_EC_WRITE_REPLY:
- return can_discard_replica_op<MOSDECSubOpWriteReply, MSG_OSD_EC_WRITE_REPLY>(op);
- case MSG_OSD_EC_READ:
- return can_discard_replica_op<MOSDECSubOpRead, MSG_OSD_EC_READ>(op);
- case MSG_OSD_EC_READ_REPLY:
- return can_discard_replica_op<MOSDECSubOpReadReply, MSG_OSD_EC_READ_REPLY>(op);
- case MSG_OSD_REP_SCRUB:
- return can_discard_replica_op<MOSDRepScrub, MSG_OSD_REP_SCRUB>(op);
- case MSG_OSD_SCRUB_RESERVE:
- return can_discard_replica_op<MOSDScrubReserve, MSG_OSD_SCRUB_RESERVE>(op);
- case MSG_OSD_REP_SCRUBMAP:
- return can_discard_replica_op<MOSDRepScrubMap, MSG_OSD_REP_SCRUBMAP>(op);
- case MSG_OSD_PG_UPDATE_LOG_MISSING:
- return can_discard_replica_op<
- MOSDPGUpdateLogMissing, MSG_OSD_PG_UPDATE_LOG_MISSING>(op);
- case MSG_OSD_PG_UPDATE_LOG_MISSING_REPLY:
- return can_discard_replica_op<
- MOSDPGUpdateLogMissingReply, MSG_OSD_PG_UPDATE_LOG_MISSING_REPLY>(op);
-
- case MSG_OSD_PG_SCAN:
- return can_discard_scan(op);
- case MSG_OSD_PG_BACKFILL:
- return can_discard_backfill(op);
- case MSG_OSD_PG_BACKFILL_REMOVE:
- return can_discard_replica_op<MOSDPGBackfillRemove,
- MSG_OSD_PG_BACKFILL_REMOVE>(op);
- }
- return true;
-}
-
-void PG::take_waiters()
-{
- dout(10) << "take_waiters" << dendl;
- requeue_map_waiters();
- for (list<CephPeeringEvtRef>::iterator i = peering_waiters.begin();
- i != peering_waiters.end();
- ++i) osd->queue_for_peering(this);
- peering_queue.splice(peering_queue.begin(), peering_waiters,
- peering_waiters.begin(), peering_waiters.end());
-}
-
-void PG::handle_peering_event(CephPeeringEvtRef evt, RecoveryCtx *rctx)
-{
- dout(10) << "handle_peering_event: " << evt->get_desc() << dendl;
- if (!have_same_or_newer_map(evt->get_epoch_sent())) {
- dout(10) << "deferring event " << evt->get_desc() << dendl;
- peering_waiters.push_back(evt);
- return;
- }
- if (old_peering_evt(evt))
- return;
- recovery_state.handle_event(evt, rctx);
-}
-
-void PG::queue_peering_event(CephPeeringEvtRef evt)
-{
- if (old_peering_evt(evt))
- return;
- peering_queue.push_back(evt);
- osd->queue_for_peering(this);
-}
-
-void PG::queue_null(epoch_t msg_epoch,
- epoch_t query_epoch)
-{
- dout(10) << "null" << dendl;
- queue_peering_event(
- CephPeeringEvtRef(std::make_shared<CephPeeringEvt>(msg_epoch, query_epoch,
- NullEvt())));
-}
-
-void PG::queue_flushed(epoch_t e)
-{
- dout(10) << "flushed" << dendl;
- queue_peering_event(
- CephPeeringEvtRef(std::make_shared<CephPeeringEvt>(e, e,
- FlushedEvt())));
-}
-
-void PG::queue_query(epoch_t msg_epoch,
- epoch_t query_epoch,
- pg_shard_t from, const pg_query_t& q)
-{
- dout(10) << "handle_query " << q << " from replica " << from << dendl;
- queue_peering_event(
- CephPeeringEvtRef(std::make_shared<CephPeeringEvt>(msg_epoch, query_epoch,
- MQuery(from, q, query_epoch))));
-}
-
-void PG::handle_advance_map(
- OSDMapRef osdmap, OSDMapRef lastmap,
- vector<int>& newup, int up_primary,
- vector<int>& newacting, int acting_primary,
- RecoveryCtx *rctx)
-{
- assert(lastmap->get_epoch() == osdmap_ref->get_epoch());
- assert(lastmap == osdmap_ref);
- dout(10) << "handle_advance_map "
- << newup << "/" << newacting
- << " -- " << up_primary << "/" << acting_primary
- << dendl;
- update_osdmap_ref(osdmap);
- pool.update(osdmap);
- past_intervals.update_type_from_map(pool.info.ec_pool(), *osdmap);
- if (cct->_conf->osd_debug_verify_cached_snaps) {
- interval_set<snapid_t> actual_removed_snaps;
- const pg_pool_t *pi = osdmap->get_pg_pool(info.pgid.pool());
- assert(pi);
- pi->build_removed_snaps(actual_removed_snaps);
- if (!(actual_removed_snaps == pool.cached_removed_snaps)) {
- derr << __func__ << ": mismatch between the actual removed snaps "
- << actual_removed_snaps << " and pool.cached_removed_snaps "
- << " pool.cached_removed_snaps " << pool.cached_removed_snaps
- << dendl;
- }
- assert(actual_removed_snaps == pool.cached_removed_snaps);
- }
- AdvMap evt(
- osdmap, lastmap, newup, up_primary,
- newacting, acting_primary);
- recovery_state.handle_event(evt, rctx);
- if (pool.info.last_change == osdmap_ref->get_epoch()) {
- on_pool_change();
- update_store_with_options();
- }
-}
-
-void PG::handle_activate_map(RecoveryCtx *rctx)
-{
- dout(10) << "handle_activate_map " << dendl;
- ActMap evt;
- recovery_state.handle_event(evt, rctx);
- if (osdmap_ref->get_epoch() - last_persisted_osdmap_ref->get_epoch() >
- cct->_conf->osd_pg_epoch_persisted_max_stale) {
- dout(20) << __func__ << ": Dirtying info: last_persisted is "
- << last_persisted_osdmap_ref->get_epoch()
- << " while current is " << osdmap_ref->get_epoch() << dendl;
- dirty_info = true;
- } else {
- dout(20) << __func__ << ": Not dirtying info: last_persisted is "
- << last_persisted_osdmap_ref->get_epoch()
- << " while current is " << osdmap_ref->get_epoch() << dendl;
- }
- if (osdmap_ref->check_new_blacklist_entries()) check_blacklisted_watchers();
-}
-
-void PG::handle_loaded(RecoveryCtx *rctx)
-{
- dout(10) << "handle_loaded" << dendl;
- Load evt;
- recovery_state.handle_event(evt, rctx);
-}
-
-void PG::handle_create(RecoveryCtx *rctx)
-{
- dout(10) << "handle_create" << dendl;
- rctx->created_pgs.insert(this);
- Initialize evt;
- recovery_state.handle_event(evt, rctx);
- ActMap evt2;
- recovery_state.handle_event(evt2, rctx);
-
- rctx->on_applied->add(make_lambda_context([this]() {
- update_store_with_options();
- }));
-}
-
-void PG::handle_query_state(Formatter *f)
-{
- dout(10) << "handle_query_state" << dendl;
- QueryState q(f);
- recovery_state.handle_event(q, 0);
-}
-
-void PG::update_store_with_options()
-{
- auto r = osd->store->set_collection_opts(coll, pool.info.opts);
- if(r < 0 && r != -EOPNOTSUPP) {
- derr << __func__ << " set_collection_opts returns error:" << r << dendl;
- }
-}
-
-void PG::update_store_on_load()
-{
- if (osd->store->get_type() == "filestore") {
- // legacy filestore didn't store collection bit width; fix.
- int bits = osd->store->collection_bits(coll);
- if (bits < 0) {
- assert(!coll.is_meta()); // otherwise OSD::load_pgs() did a bad thing
- bits = info.pgid.get_split_bits(pool.info.get_pg_num());
- lderr(cct) << __func__ << " setting bit width to " << bits << dendl;
- ObjectStore::Transaction t;
- t.collection_set_bits(coll, bits);
- osd->store->apply_transaction(osr.get(), std::move(t));
- }
+ info.stats.stats.add(unstable_stats);
+ unstable_stats.clear();
+ map<string,bufferlist> km;
+ string key_to_remove;
+ if (dirty_big_info || dirty_info) {
+ int ret = prepare_info_keymap(
+ cct,
+ &km,
+ &key_to_remove,
+ get_osdmap_epoch(),
+ info,
+ last_written_info,
+ past_intervals,
+ dirty_big_info,
+ need_write_epoch,
+ cct->_conf->osd_fast_info,
+ osd->logger,
+ this);
+ ceph_assert(ret == 0);
}
+ pglog.write_log_and_missing(
+ t, &km, coll, pgmeta_oid, pool.info.require_rollback());
+ if (!km.empty())
+ t.omap_setkeys(coll, pgmeta_oid, km);
+ if (!key_to_remove.empty())
+ t.omap_rmkey(coll, pgmeta_oid, key_to_remove);
}
-/*------------ Recovery State Machine----------------*/
-#undef dout_prefix
-#define dout_prefix (*_dout << context< RecoveryMachine >().pg->gen_prefix() \
- << "state<" << get_state_name() << ">: ")
+#pragma GCC diagnostic ignored "-Wpragmas"
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-/*------Crashed-------*/
-PG::RecoveryState::Crashed::Crashed(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Crashed")
+bool PG::_has_removal_flag(ObjectStore *store,
+ spg_t pgid)
{
- context< RecoveryMachine >().log_enter(state_name);
- assert(0 == "we got a bad state machine event");
-}
+ coll_t coll(pgid);
+ ghobject_t pgmeta_oid(pgid.make_pgmeta_oid());
+ // first try new way
+ set<string> keys;
+ keys.insert("_remove");
+ map<string,bufferlist> values;
+ auto ch = store->open_collection(coll);
+ ceph_assert(ch);
+ if (store->omap_get_values(ch, pgmeta_oid, keys, &values) == 0 &&
+ values.size() == 1)
+ return true;
-/*------Initial-------*/
-PG::RecoveryState::Initial::Initial(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Initial")
-{
- context< RecoveryMachine >().log_enter(state_name);
+ return false;
}
-boost::statechart::result PG::RecoveryState::Initial::react(const Load& l)
+int PG::peek_map_epoch(ObjectStore *store,
+ spg_t pgid,
+ epoch_t *pepoch)
{
- PG *pg = context< RecoveryMachine >().pg;
+ coll_t coll(pgid);
+ ghobject_t pgmeta_oid(pgid.make_pgmeta_oid());
+ epoch_t cur_epoch = 0;
- // do we tell someone we're here?
- pg->send_notify = (!pg->is_primary());
- pg->update_store_with_options();
+ // validate collection name
+ ceph_assert(coll.is_pg());
- pg->update_store_on_load();
+ // try for v8
+ set<string> keys;
+ keys.insert(string(infover_key));
+ keys.insert(string(epoch_key));
+ map<string,bufferlist> values;
+ auto ch = store->open_collection(coll);
+ ceph_assert(ch);
+ int r = store->omap_get_values(ch, pgmeta_oid, keys, &values);
+ if (r == 0) {
+ ceph_assert(values.size() == 2);
- return transit< Reset >();
-}
+ // sanity check version
+ auto bp = values[string(infover_key)].cbegin();
+ __u8 struct_v = 0;
+ decode(struct_v, bp);
+ ceph_assert(struct_v >= 8);
-boost::statechart::result PG::RecoveryState::Initial::react(const MNotifyRec& notify)
-{
- PG *pg = context< RecoveryMachine >().pg;
- pg->proc_replica_info(
- notify.from, notify.notify.info, notify.notify.epoch_sent);
- pg->set_last_peering_reset();
- return transit< Primary >();
-}
+ // get epoch
+ bp = values[string(epoch_key)].begin();
+ decode(cur_epoch, bp);
+ } else {
+ // probably bug 10617; see OSD::load_pgs()
+ return -1;
+ }
-boost::statechart::result PG::RecoveryState::Initial::react(const MInfoRec& i)
-{
- PG *pg = context< RecoveryMachine >().pg;
- assert(!pg->is_primary());
- post_event(i);
- return transit< Stray >();
+ *pepoch = cur_epoch;
+ return 0;
}
-boost::statechart::result PG::RecoveryState::Initial::react(const MLogRec& i)
-{
- PG *pg = context< RecoveryMachine >().pg;
- assert(!pg->is_primary());
- post_event(i);
- return transit< Stray >();
-}
+#pragma GCC diagnostic pop
+#pragma GCC diagnostic warning "-Wpragmas"
-void PG::RecoveryState::Initial::exit()
+bool PG::check_log_for_corruption(ObjectStore *store)
{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_initial_latency, dur);
+ /// TODO: this method needs to work with the omap log
+ return true;
}
-/*------Started-------*/
-PG::RecoveryState::Started::Started(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started")
+//! Get the name we're going to save our corrupt page log as
+std::string PG::get_corrupt_pg_log_name() const
{
- context< RecoveryMachine >().log_enter(state_name);
+ const int MAX_BUF = 512;
+ char buf[MAX_BUF];
+ struct tm tm_buf;
+ time_t my_time(time(NULL));
+ const struct tm *t = localtime_r(&my_time, &tm_buf);
+ int ret = strftime(buf, sizeof(buf), "corrupt_log_%Y-%m-%d_%k:%M_", t);
+ if (ret == 0) {
+ dout(0) << "strftime failed" << dendl;
+ return "corrupt_log_unknown_time";
+ }
+ string out(buf);
+ out += stringify(info.pgid);
+ return out;
}
-boost::statechart::result
-PG::RecoveryState::Started::react(const IntervalFlush&)
+int PG::read_info(
+ ObjectStore *store, spg_t pgid, const coll_t &coll,
+ pg_info_t &info, PastIntervals &past_intervals,
+ __u8 &struct_v)
{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "Ending blocked outgoing recovery messages" << dendl;
- context< RecoveryMachine >().pg->recovery_state.end_block_outgoing();
- return discard_event();
+ set<string> keys;
+ keys.insert(string(infover_key));
+ keys.insert(string(info_key));
+ keys.insert(string(biginfo_key));
+ keys.insert(string(fastinfo_key));
+ ghobject_t pgmeta_oid(pgid.make_pgmeta_oid());
+ map<string,bufferlist> values;
+ auto ch = store->open_collection(coll);
+ ceph_assert(ch);
+ int r = store->omap_get_values(ch, pgmeta_oid, keys, &values);
+ ceph_assert(r == 0);
+ ceph_assert(values.size() == 3 ||
+ values.size() == 4);
+
+ auto p = values[string(infover_key)].cbegin();
+ decode(struct_v, p);
+ ceph_assert(struct_v >= 10);
+
+ p = values[string(info_key)].begin();
+ decode(info, p);
+
+ p = values[string(biginfo_key)].begin();
+ decode(past_intervals, p);
+ decode(info.purged_snaps, p);
+
+ p = values[string(fastinfo_key)].begin();
+ if (!p.end()) {
+ pg_fast_info_t fast;
+ decode(fast, p);
+ fast.try_apply_to(&info);
+ }
+ return 0;
}
-
-boost::statechart::result
-PG::RecoveryState::Started::react(const FlushedEvt&)
+void PG::read_state(ObjectStore *store)
{
- PG *pg = context< RecoveryMachine >().pg;
- pg->on_flushed();
- return discard_event();
-}
+ PastIntervals past_intervals_from_disk;
+ pg_info_t info_from_disk;
+ int r = read_info(
+ store,
+ pg_id,
+ coll,
+ info_from_disk,
+ past_intervals_from_disk,
+ info_struct_v);
+ ceph_assert(r >= 0);
+
+ if (info_struct_v < pg_compat_struct_v) {
+ derr << "PG needs upgrade, but on-disk data is too old; upgrade to"
+ << " an older version first." << dendl;
+ ceph_abort_msg("PG too old to upgrade");
+ }
+
+ recovery_state.init_from_disk_state(
+ std::move(info_from_disk),
+ std::move(past_intervals_from_disk),
+ [this, store] (PGLog &pglog) {
+ ostringstream oss;
+ pglog.read_log_and_missing(
+ store,
+ ch,
+ pgmeta_oid,
+ info,
+ oss,
+ cct->_conf->osd_ignore_stale_divergent_priors,
+ cct->_conf->osd_debug_verify_missing_on_start);
+
+ if (oss.tellp())
+ osd->clog->error() << oss.str();
+ return 0;
+ });
+ if (info_struct_v < pg_latest_struct_v) {
+ upgrade(store);
+ }
-boost::statechart::result PG::RecoveryState::Started::react(const AdvMap& advmap)
-{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "Started advmap" << dendl;
- pg->check_full_transition(advmap.lastmap, advmap.osdmap);
- if (pg->should_restart_peering(
- advmap.up_primary,
- advmap.acting_primary,
- advmap.newup,
- advmap.newacting,
- advmap.lastmap,
- advmap.osdmap)) {
- ldout(pg->cct, 10) << "should_restart_peering, transitioning to Reset"
- << dendl;
- post_event(advmap);
- return transit< Reset >();
+ // initialize current mapping
+ {
+ int primary, up_primary;
+ vector<int> acting, up;
+ get_osdmap()->pg_to_up_acting_osds(
+ pg_id.pgid, &up, &up_primary, &acting, &primary);
+ recovery_state.init_primary_up_acting(
+ up,
+ acting,
+ up_primary,
+ primary);
+ recovery_state.set_role(OSDMap::calc_pg_role(pg_whoami, acting));
}
- pg->remove_down_peer_info(advmap.osdmap);
- return discard_event();
-}
-boost::statechart::result PG::RecoveryState::Started::react(const QueryState& q)
-{
- q.f->open_object_section("state");
- q.f->dump_string("name", state_name);
- q.f->dump_stream("enter_time") << enter_time;
- q.f->close_section();
- return discard_event();
-}
+ // init pool options
+ store->set_collection_opts(ch, pool.info.opts);
-void PG::RecoveryState::Started::exit()
-{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_started_latency, dur);
+ PeeringCtx rctx;
+ handle_initialize(rctx);
+ // note: we don't activate here because we know the OSD will advance maps
+ // during boot.
+ write_if_dirty(rctx.transaction);
+ store->queue_transaction(ch, std::move(rctx.transaction));
}
-/*--------Reset---------*/
-PG::RecoveryState::Reset::Reset(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Reset")
+void PG::update_snap_map(
+ const vector<pg_log_entry_t> &log_entries,
+ ObjectStore::Transaction &t)
{
- context< RecoveryMachine >().log_enter(state_name);
- PG *pg = context< RecoveryMachine >().pg;
-
- pg->flushes_in_progress = 0;
- pg->set_last_peering_reset();
-}
+ for (auto i = log_entries.cbegin(); i != log_entries.cend(); ++i) {
+ OSDriver::OSTransaction _t(osdriver.get_transaction(&t));
+ if (i->soid.snap < CEPH_MAXSNAP) {
+ if (i->is_delete()) {
+ int r = snap_mapper.remove_oid(
+ i->soid,
+ &_t);
+ if (r)
+ derr << __func__ << " remove_oid " << i->soid << " failed with " << r << dendl;
+ // On removal tolerate missing key corruption
+ ceph_assert(r == 0 || r == -ENOENT);
+ } else if (i->is_update()) {
+ ceph_assert(i->snaps.length() > 0);
+ vector<snapid_t> snaps;
+ bufferlist snapbl = i->snaps;
+ auto p = snapbl.cbegin();
+ try {
+ decode(snaps, p);
+ } catch (...) {
+ derr << __func__ << " decode snaps failure on " << *i << dendl;
+ snaps.clear();
+ }
+ set<snapid_t> _snaps(snaps.begin(), snaps.end());
-boost::statechart::result
-PG::RecoveryState::Reset::react(const FlushedEvt&)
-{
- PG *pg = context< RecoveryMachine >().pg;
- pg->on_flushed();
- return discard_event();
+ if (i->is_clone() || i->is_promote()) {
+ snap_mapper.add_oid(
+ i->soid,
+ _snaps,
+ &_t);
+ } else if (i->is_modify()) {
+ int r = snap_mapper.update_snaps(
+ i->soid,
+ _snaps,
+ 0,
+ &_t);
+ ceph_assert(r == 0);
+ } else {
+ ceph_assert(i->is_clean());
+ }
+ }
+ }
+ }
}
-boost::statechart::result
-PG::RecoveryState::Reset::react(const IntervalFlush&)
+/**
+ * filter trimming|trimmed snaps out of snapcontext
+ */
+void PG::filter_snapc(vector<snapid_t> &snaps)
{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "Ending blocked outgoing recovery messages" << dendl;
- context< RecoveryMachine >().pg->recovery_state.end_block_outgoing();
- return discard_event();
-}
+ // nothing needs to trim, we can return immediately
+ if (snap_trimq.empty() && info.purged_snaps.empty())
+ return;
-boost::statechart::result PG::RecoveryState::Reset::react(const AdvMap& advmap)
-{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "Reset advmap" << dendl;
-
- pg->check_full_transition(advmap.lastmap, advmap.osdmap);
-
- if (pg->should_restart_peering(
- advmap.up_primary,
- advmap.acting_primary,
- advmap.newup,
- advmap.newacting,
- advmap.lastmap,
- advmap.osdmap)) {
- ldout(pg->cct, 10) << "should restart peering, calling start_peering_interval again"
- << dendl;
- pg->start_peering_interval(
- advmap.lastmap,
- advmap.newup, advmap.up_primary,
- advmap.newacting, advmap.acting_primary,
- context< RecoveryMachine >().get_cur_transaction());
+ bool filtering = false;
+ vector<snapid_t> newsnaps;
+ for (vector<snapid_t>::iterator p = snaps.begin();
+ p != snaps.end();
+ ++p) {
+ if (snap_trimq.contains(*p) || info.purged_snaps.contains(*p)) {
+ if (!filtering) {
+ // start building a new vector with what we've seen so far
+ dout(10) << "filter_snapc filtering " << snaps << dendl;
+ newsnaps.insert(newsnaps.begin(), snaps.begin(), p);
+ filtering = true;
+ }
+ dout(20) << "filter_snapc removing trimq|purged snap " << *p << dendl;
+ } else {
+ if (filtering)
+ newsnaps.push_back(*p); // continue building new vector
+ }
}
- pg->remove_down_peer_info(advmap.osdmap);
- pg->check_past_interval_bounds();
- return discard_event();
-}
-
-boost::statechart::result PG::RecoveryState::Reset::react(const ActMap&)
-{
- PG *pg = context< RecoveryMachine >().pg;
- if (pg->should_send_notify() && pg->get_primary().osd >= 0) {
- context< RecoveryMachine >().send_notify(
- pg->get_primary(),
- pg_notify_t(
- pg->get_primary().shard, pg->pg_whoami.shard,
- pg->get_osdmap()->get_epoch(),
- pg->get_osdmap()->get_epoch(),
- pg->info),
- pg->past_intervals);
+ if (filtering) {
+ snaps.swap(newsnaps);
+ dout(10) << "filter_snapc result " << snaps << dendl;
}
-
- pg->update_heartbeat_peers();
- pg->take_waiters();
-
- return transit< Started >();
}
-boost::statechart::result PG::RecoveryState::Reset::react(const QueryState& q)
+void PG::requeue_object_waiters(map<hobject_t, list<OpRequestRef>>& m)
{
- q.f->open_object_section("state");
- q.f->dump_string("name", state_name);
- q.f->dump_stream("enter_time") << enter_time;
- q.f->close_section();
- return discard_event();
+ for (auto it = m.begin(); it != m.end(); ++it)
+ requeue_ops(it->second);
+ m.clear();
}
-void PG::RecoveryState::Reset::exit()
+void PG::requeue_op(OpRequestRef op)
{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_reset_latency, dur);
+ auto p = waiting_for_map.find(op->get_source());
+ if (p != waiting_for_map.end()) {
+ dout(20) << __func__ << " " << op << " (waiting_for_map " << p->first << ")"
+ << dendl;
+ p->second.push_front(op);
+ } else {
+ dout(20) << __func__ << " " << op << dendl;
+ osd->enqueue_front(
+ OpSchedulerItem(
+ unique_ptr<OpSchedulerItem::OpQueueable>(new PGOpItem(info.pgid, op)),
+ op->get_req()->get_cost(),
+ op->get_req()->get_priority(),
+ op->get_req()->get_recv_stamp(),
+ op->get_req()->get_source().num(),
+ get_osdmap_epoch()));
+ }
}
-/*-------Start---------*/
-PG::RecoveryState::Start::Start(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Start")
+void PG::requeue_ops(list<OpRequestRef> &ls)
{
- context< RecoveryMachine >().log_enter(state_name);
-
- PG *pg = context< RecoveryMachine >().pg;
- if (pg->is_primary()) {
- ldout(pg->cct, 1) << "transitioning to Primary" << dendl;
- post_event(MakePrimary());
- } else { //is_stray
- ldout(pg->cct, 1) << "transitioning to Stray" << dendl;
- post_event(MakeStray());
+ for (list<OpRequestRef>::reverse_iterator i = ls.rbegin();
+ i != ls.rend();
+ ++i) {
+ requeue_op(*i);
}
+ ls.clear();
}
-void PG::RecoveryState::Start::exit()
+void PG::requeue_map_waiters()
{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_start_latency, dur);
+ epoch_t epoch = get_osdmap_epoch();
+ auto p = waiting_for_map.begin();
+ while (p != waiting_for_map.end()) {
+ if (epoch < p->second.front()->min_epoch) {
+ dout(20) << __func__ << " " << p->first << " front op "
+ << p->second.front() << " must still wait, doing nothing"
+ << dendl;
+ ++p;
+ } else {
+ dout(20) << __func__ << " " << p->first << " " << p->second << dendl;
+ for (auto q = p->second.rbegin(); q != p->second.rend(); ++q) {
+ auto req = *q;
+ osd->enqueue_front(OpSchedulerItem(
+ unique_ptr<OpSchedulerItem::OpQueueable>(new PGOpItem(info.pgid, req)),
+ req->get_req()->get_cost(),
+ req->get_req()->get_priority(),
+ req->get_req()->get_recv_stamp(),
+ req->get_req()->get_source().num(),
+ epoch));
+ }
+ p = waiting_for_map.erase(p);
+ }
+ }
}
-/*---------Primary--------*/
-PG::RecoveryState::Primary::Primary(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary")
+bool PG::get_must_scrub() const
{
- context< RecoveryMachine >().log_enter(state_name);
- PG *pg = context< RecoveryMachine >().pg;
- assert(pg->want_acting.empty());
-
- // set CREATING bit until we have peered for the first time.
- if (pg->info.history.last_epoch_started == 0) {
- pg->state_set(PG_STATE_CREATING);
- // use the history timestamp, which ultimately comes from the
- // monitor in the create case.
- utime_t t = pg->info.history.last_scrub_stamp;
- pg->info.stats.last_fresh = t;
- pg->info.stats.last_active = t;
- pg->info.stats.last_change = t;
- pg->info.stats.last_peered = t;
- pg->info.stats.last_clean = t;
- pg->info.stats.last_unstale = t;
- pg->info.stats.last_undegraded = t;
- pg->info.stats.last_fullsized = t;
- pg->info.stats.last_scrub_stamp = t;
- pg->info.stats.last_deep_scrub_stamp = t;
- pg->info.stats.last_clean_scrub_stamp = t;
- }
+ dout(20) << __func__ << " must_scrub? " << (m_planned_scrub.must_scrub ? "true" : "false") << dendl;
+ return m_planned_scrub.must_scrub;
}
-boost::statechart::result PG::RecoveryState::Primary::react(const MNotifyRec& notevt)
+unsigned int PG::scrub_requeue_priority(Scrub::scrub_prio_t with_priority) const
{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 7) << "handle_pg_notify from osd." << notevt.from << dendl;
- pg->proc_replica_info(
- notevt.from, notevt.notify.info, notevt.notify.epoch_sent);
- return discard_event();
+ return m_scrubber->scrub_requeue_priority(with_priority);
}
-boost::statechart::result PG::RecoveryState::Primary::react(const ActMap&)
+unsigned int PG::scrub_requeue_priority(Scrub::scrub_prio_t with_priority, unsigned int suggested_priority) const
{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 7) << "handle ActMap primary" << dendl;
- pg->publish_stats_to_osd();
- pg->take_waiters();
- return discard_event();
+ return m_scrubber->scrub_requeue_priority(with_priority, suggested_priority);
}
-void PG::RecoveryState::Primary::exit()
-{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- pg->want_acting.clear();
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_primary_latency, dur);
- pg->clear_primary_state();
- pg->state_clear(PG_STATE_CREATING);
-}
-
-/*---------Peering--------*/
-PG::RecoveryState::Peering::Peering(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Peering"),
- history_les_bound(false)
+// ==========================================================================================
+// SCRUB
+
+/*
+ * implementation note:
+ * PG::sched_scrub() is called only once per a specific scrub session.
+ * That call commits us to the whatever choices are made (deep/shallow, etc').
+ * Unless failing to start scrubbing, the 'planned scrub' flag-set is 'frozen' into
+ * PgScrubber's m_flags, then cleared.
+ */
+Scrub::schedule_result_t PG::sched_scrub()
{
- context< RecoveryMachine >().log_enter(state_name);
+ dout(15) << __func__ << " pg(" << info.pgid
+ << (is_active() ? ") <active>" : ") <not-active>")
+ << (is_clean() ? " <clean>" : " <not-clean>") << dendl;
+ ceph_assert(ceph_mutex_is_locked(_lock));
+ ceph_assert(m_scrubber);
- PG *pg = context< RecoveryMachine >().pg;
- assert(!pg->is_peered());
- assert(!pg->is_peering());
- assert(pg->is_primary());
- pg->state_set(PG_STATE_PEERING);
-}
+ if (is_scrub_queued_or_active()) {
+ return Scrub::schedule_result_t::already_started;
+ }
-boost::statechart::result PG::RecoveryState::Peering::react(const AdvMap& advmap)
-{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "Peering advmap" << dendl;
- if (prior_set.affected_by_map(*(advmap.osdmap), pg)) {
- ldout(pg->cct, 1) << "Peering, affected_by_map, going to Reset" << dendl;
- post_event(advmap);
- return transit< Reset >();
+ if (!is_primary() || !is_active() || !is_clean()) {
+ return Scrub::schedule_result_t::bad_pg_state;
}
-
- pg->adjust_need_up_thru(advmap.osdmap);
-
- return forward_event();
-}
-boost::statechart::result PG::RecoveryState::Peering::react(const QueryState& q)
-{
- PG *pg = context< RecoveryMachine >().pg;
-
- q.f->open_object_section("state");
- q.f->dump_string("name", state_name);
- q.f->dump_stream("enter_time") << enter_time;
-
- q.f->open_array_section("past_intervals");
- pg->past_intervals.dump(q.f);
- q.f->close_section();
-
- q.f->open_array_section("probing_osds");
- for (set<pg_shard_t>::iterator p = prior_set.probe.begin();
- p != prior_set.probe.end();
- ++p)
- q.f->dump_stream("osd") << *p;
- q.f->close_section();
-
- if (prior_set.pg_down)
- q.f->dump_string("blocked", "peering is blocked due to down osds");
-
- q.f->open_array_section("down_osds_we_would_probe");
- for (set<int>::iterator p = prior_set.down.begin();
- p != prior_set.down.end();
- ++p)
- q.f->dump_int("osd", *p);
- q.f->close_section();
-
- q.f->open_array_section("peering_blocked_by");
- for (map<int,epoch_t>::iterator p = prior_set.blocked_by.begin();
- p != prior_set.blocked_by.end();
- ++p) {
- q.f->open_object_section("osd");
- q.f->dump_int("osd", p->first);
- q.f->dump_int("current_lost_at", p->second);
- q.f->dump_string("comment", "starting or marking this osd lost may let us proceed");
- q.f->close_section();
+ // analyse the combination of the requested scrub flags, the osd/pool configuration
+ // and the PG status to determine whether we should scrub now, and what type of scrub
+ // should that be.
+ auto updated_flags = verify_scrub_mode();
+ if (!updated_flags) {
+ // the stars do not align for starting a scrub for this PG at this time
+ // (due to configuration or priority issues)
+ // The reason was already reported by the callee.
+ dout(10) << __func__ << ": failed to initiate a scrub" << dendl;
+ return Scrub::schedule_result_t::preconditions;
}
- q.f->close_section();
-
- if (history_les_bound) {
- q.f->open_array_section("peering_blocked_by_detail");
- q.f->open_object_section("item");
- q.f->dump_string("detail","peering_blocked_by_history_les_bound");
- q.f->close_section();
- q.f->close_section();
+
+ // try to reserve the local OSD resources. If failing: no harm. We will
+ // be retried by the OSD later on.
+ if (!m_scrubber->reserve_local()) {
+ dout(10) << __func__ << ": failed to reserve locally" << dendl;
+ return Scrub::schedule_result_t::no_local_resources;
}
- q.f->close_section();
- return forward_event();
-}
+ // can commit to the updated flags now, as nothing will stop the scrub
+ m_planned_scrub = *updated_flags;
-void PG::RecoveryState::Peering::exit()
-{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "Leaving Peering" << dendl;
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- pg->state_clear(PG_STATE_PEERING);
- pg->clear_probe_targets();
+ // An interrupted recovery repair could leave this set.
+ state_clear(PG_STATE_REPAIR);
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_peering_latency, dur);
-}
+ // Pass control to the scrubber. It is the scrubber that handles the replicas'
+ // resources reservations.
+ m_scrubber->set_op_parameters(m_planned_scrub);
+ dout(10) << __func__ << ": queueing" << dendl;
+ osd->queue_for_scrub(this, Scrub::scrub_prio_t::low_priority);
+ return Scrub::schedule_result_t::scrub_initiated;
+}
-/*------Backfilling-------*/
-PG::RecoveryState::Backfilling::Backfilling(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Active/Backfilling")
+double PG::next_deepscrub_interval() const
{
- context< RecoveryMachine >().log_enter(state_name);
- PG *pg = context< RecoveryMachine >().pg;
- pg->backfill_reserved = true;
- pg->queue_recovery();
- pg->state_clear(PG_STATE_BACKFILL_TOOFULL);
- pg->state_clear(PG_STATE_BACKFILL_WAIT);
- pg->state_set(PG_STATE_BACKFILLING);
- pg->publish_stats_to_osd();
-}
-
-boost::statechart::result
-PG::RecoveryState::Backfilling::react(const DeferBackfill &c)
+ double deep_scrub_interval =
+ pool.info.opts.value_or(pool_opts_t::DEEP_SCRUB_INTERVAL, 0.0);
+ if (deep_scrub_interval <= 0.0)
+ deep_scrub_interval = cct->_conf->osd_deep_scrub_interval;
+ return info.history.last_deep_scrub_stamp + deep_scrub_interval;
+}
+
+bool PG::is_time_for_deep(bool allow_deep_scrub,
+ bool allow_scrub,
+ bool has_deep_errors,
+ const requested_scrub_t& planned) const
{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "defer backfill, retry delay " << c.delay << dendl;
- pg->osd->local_reserver.cancel_reservation(pg->info.pgid);
-
- pg->state_set(PG_STATE_BACKFILL_WAIT);
- pg->state_clear(PG_STATE_BACKFILLING);
-
- for (set<pg_shard_t>::iterator it = pg->backfill_targets.begin();
- it != pg->backfill_targets.end();
- ++it) {
- assert(*it != pg->pg_whoami);
- ConnectionRef con = pg->osd->get_con_osd_cluster(
- it->osd, pg->get_osdmap()->get_epoch());
- if (con) {
- pg->osd->send_message_osd_cluster(
- new MBackfillReserve(
- MBackfillReserve::REJECT,
- spg_t(pg->info.pgid.pgid, it->shard),
- pg->get_osdmap()->get_epoch()),
- con.get());
- }
+ dout(10) << __func__ << ": need_auto?" << planned.need_auto << " allow_deep_scrub? "
+ << allow_deep_scrub << dendl;
+
+ if (!allow_deep_scrub)
+ return false;
+
+ if (planned.need_auto) {
+ dout(10) << __func__ << ": need repair after scrub errors" << dendl;
+ return true;
+ }
+
+ if (ceph_clock_now() >= next_deepscrub_interval()) {
+ dout(20) << __func__ << ": now (" << ceph_clock_now() << ") >= time for deep ("
+ << next_deepscrub_interval() << ")" << dendl;
+ return true;
+ }
+
+ if (has_deep_errors) {
+ osd->clog->info() << "osd." << osd->whoami << " pg " << info.pgid
+ << " Deep scrub errors, upgrading scrub to deep-scrub";
+ return true;
}
+ // we only flip coins if 'allow_scrub' is asserted. Otherwise - as this function is
+ // called often, we will probably be deep-scrubbing most of the time.
+ if (allow_scrub) {
+ bool deep_coin_flip =
+ (rand() % 100) < cct->_conf->osd_deep_scrub_randomize_ratio * 100;
+
+ dout(15) << __func__ << ": time_for_deep=" << planned.time_for_deep
+ << " deep_coin_flip=" << deep_coin_flip << dendl;
- if (!pg->waiting_on_backfill.empty()) {
- pg->waiting_on_backfill.clear();
- pg->finish_recovery_op(hobject_t::get_max());
+ if (deep_coin_flip)
+ return true;
}
- pg->schedule_backfill_retry(c.delay);
- return transit<NotBackfilling>();
+ return false;
}
-boost::statechart::result
-PG::RecoveryState::Backfilling::react(const UnfoundBackfill &c)
+bool PG::verify_periodic_scrub_mode(bool allow_deep_scrub,
+ bool try_to_auto_repair,
+ bool allow_regular_scrub,
+ bool has_deep_errors,
+ requested_scrub_t& planned) const
+
{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "backfill has unfound, can't continue" << dendl;
- pg->osd->local_reserver.cancel_reservation(pg->info.pgid);
-
- pg->state_set(PG_STATE_BACKFILL_UNFOUND);
- pg->state_clear(PG_STATE_BACKFILLING);
-
- for (set<pg_shard_t>::iterator it = pg->backfill_targets.begin();
- it != pg->backfill_targets.end();
- ++it) {
- assert(*it != pg->pg_whoami);
- ConnectionRef con = pg->osd->get_con_osd_cluster(
- it->osd, pg->get_osdmap()->get_epoch());
- if (con) {
- pg->osd->send_message_osd_cluster(
- new MBackfillReserve(
- MBackfillReserve::REJECT,
- spg_t(pg->info.pgid.pgid, it->shard),
- pg->get_osdmap()->get_epoch()),
- con.get());
- }
+ ceph_assert(!planned.must_deep_scrub && !planned.must_repair);
+
+ if (!allow_deep_scrub && has_deep_errors) {
+ osd->clog->error()
+ << "osd." << osd->whoami << " pg " << info.pgid
+ << " Regular scrub skipped due to deep-scrub errors and nodeep-scrub set";
+ return false;
}
- pg->waiting_on_backfill.clear();
+ if (allow_deep_scrub) {
+ // Initial entry and scheduled scrubs without nodeep_scrub set get here
- return transit<NotBackfilling>();
-}
+ planned.time_for_deep =
+ is_time_for_deep(allow_deep_scrub, allow_regular_scrub, has_deep_errors, planned);
-boost::statechart::result
-PG::RecoveryState::Backfilling::react(const RemoteReservationRejected &)
-{
- PG *pg = context< RecoveryMachine >().pg;
- pg->osd->local_reserver.cancel_reservation(pg->info.pgid);
- pg->state_set(PG_STATE_BACKFILL_TOOFULL);
-
- for (set<pg_shard_t>::iterator it = pg->backfill_targets.begin();
- it != pg->backfill_targets.end();
- ++it) {
- assert(*it != pg->pg_whoami);
- ConnectionRef con = pg->osd->get_con_osd_cluster(
- it->osd, pg->get_osdmap()->get_epoch());
- if (con) {
- pg->osd->send_message_osd_cluster(
- new MBackfillReserve(
- MBackfillReserve::REJECT,
- spg_t(pg->info.pgid.pgid, it->shard),
- pg->get_osdmap()->get_epoch()),
- con.get());
+ if (try_to_auto_repair) {
+ if (planned.time_for_deep) {
+ dout(20) << __func__ << ": auto repair with deep scrubbing" << dendl;
+ planned.auto_repair = true;
+ } else if (allow_regular_scrub) {
+ dout(20) << __func__ << ": auto repair with scrubbing, rescrub if errors found"
+ << dendl;
+ planned.deep_scrub_on_error = true;
+ }
}
}
- if (!pg->waiting_on_backfill.empty()) {
- pg->waiting_on_backfill.clear();
- pg->finish_recovery_op(hobject_t::get_max());
+ dout(20) << __func__ << " updated flags: " << planned
+ << " allow_regular_scrub: " << allow_regular_scrub << dendl;
+
+ // NOSCRUB so skip regular scrubs
+ if (!allow_regular_scrub && !planned.time_for_deep) {
+ return false;
}
- pg->schedule_backfill_retry(pg->cct->_conf->osd_recovery_retry_interval);
- return transit<NotBackfilling>();
+ return true;
}
-void PG::RecoveryState::Backfilling::exit()
-{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- pg->backfill_reserved = false;
- pg->backfill_reserving = false;
- pg->state_clear(PG_STATE_BACKFILLING);
- pg->state_clear(PG_STATE_FORCED_BACKFILL | PG_STATE_FORCED_RECOVERY);
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_backfilling_latency, dur);
-}
-
-/*--WaitRemoteBackfillReserved--*/
-
-PG::RecoveryState::WaitRemoteBackfillReserved::WaitRemoteBackfillReserved(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Active/WaitRemoteBackfillReserved"),
- backfill_osd_it(context< Active >().remote_shards_to_reserve_backfill.begin())
+std::optional<requested_scrub_t> PG::verify_scrub_mode() const
{
- context< RecoveryMachine >().log_enter(state_name);
- PG *pg = context< RecoveryMachine >().pg;
- pg->state_set(PG_STATE_BACKFILL_WAIT);
- pg->publish_stats_to_osd();
- post_event(RemoteBackfillReserved());
-}
+ const bool allow_regular_scrub =
+ !(get_osdmap()->test_flag(CEPH_OSDMAP_NOSCRUB) ||
+ pool.info.has_flag(pg_pool_t::FLAG_NOSCRUB));
+ const bool allow_deep_scrub =
+ allow_regular_scrub &&
+ !(get_osdmap()->test_flag(CEPH_OSDMAP_NODEEP_SCRUB) ||
+ pool.info.has_flag(pg_pool_t::FLAG_NODEEP_SCRUB));
+ const bool has_deep_errors = (info.stats.stats.sum.num_deep_scrub_errors > 0);
+ const bool try_to_auto_repair = (cct->_conf->osd_scrub_auto_repair &&
+ get_pgbackend()->auto_repair_supported());
-boost::statechart::result
-PG::RecoveryState::WaitRemoteBackfillReserved::react(const RemoteBackfillReserved &evt)
-{
- PG *pg = context< RecoveryMachine >().pg;
-
- if (backfill_osd_it != context< Active >().remote_shards_to_reserve_backfill.end()) {
- //The primary never backfills itself
- assert(*backfill_osd_it != pg->pg_whoami);
- ConnectionRef con = pg->osd->get_con_osd_cluster(
- backfill_osd_it->osd, pg->get_osdmap()->get_epoch());
- if (con) {
- pg->osd->send_message_osd_cluster(
- new MBackfillReserve(
- MBackfillReserve::REQUEST,
- spg_t(pg->info.pgid.pgid, backfill_osd_it->shard),
- pg->get_osdmap()->get_epoch(),
- pg->get_backfill_priority()),
- con.get());
- }
- ++backfill_osd_it;
- } else {
- post_event(AllBackfillsReserved());
+ dout(10) << __func__ << " pg: " << info.pgid
+ << " allow: " << allow_regular_scrub << "/" << allow_deep_scrub
+ << " deep errs: " << has_deep_errors
+ << " auto-repair: " << try_to_auto_repair << " ("
+ << cct->_conf->osd_scrub_auto_repair << ")" << dendl;
+
+ auto upd_flags = m_planned_scrub;
+
+ upd_flags.time_for_deep = false;
+ // Clear these in case user issues the scrub/repair command during
+ // the scheduling of the scrub/repair (e.g. request reservation)
+ upd_flags.deep_scrub_on_error = false;
+ upd_flags.auto_repair = false;
+
+ if (upd_flags.must_scrub && !upd_flags.must_deep_scrub && has_deep_errors) {
+ osd->clog->error()
+ << "osd." << osd->whoami << " pg " << info.pgid
+ << " Regular scrub request, deep-scrub details will be lost";
}
- return discard_event();
-}
-void PG::RecoveryState::WaitRemoteBackfillReserved::exit()
-{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_waitremotebackfillreserved_latency, dur);
-}
+ if (!upd_flags.must_scrub) {
+ // All periodic scrub handling goes here because must_scrub is
+ // always set for must_deep_scrub and must_repair.
-boost::statechart::result
-PG::RecoveryState::WaitRemoteBackfillReserved::react(const RemoteReservationRejected &evt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- pg->osd->local_reserver.cancel_reservation(pg->info.pgid);
-
- // Send REJECT to all previously acquired reservations
- set<pg_shard_t>::const_iterator it, begin, end, next;
- begin = context< Active >().remote_shards_to_reserve_backfill.begin();
- end = context< Active >().remote_shards_to_reserve_backfill.end();
- assert(begin != end);
- for (next = it = begin, ++next ; next != backfill_osd_it; ++it, ++next) {
- //The primary never backfills itself
- assert(*it != pg->pg_whoami);
- ConnectionRef con = pg->osd->get_con_osd_cluster(
- it->osd, pg->get_osdmap()->get_epoch());
- if (con) {
- pg->osd->send_message_osd_cluster(
- new MBackfillReserve(
- MBackfillReserve::REJECT,
- spg_t(pg->info.pgid.pgid, it->shard),
- pg->get_osdmap()->get_epoch()),
- con.get());
+ const bool can_start_periodic = verify_periodic_scrub_mode(
+ allow_deep_scrub, try_to_auto_repair, allow_regular_scrub,
+ has_deep_errors, upd_flags);
+ if (!can_start_periodic) {
+ // "I don't want no scrub"
+ dout(20) << __func__ << ": no periodic scrubs allowed" << dendl;
+ return std::nullopt;
}
}
- pg->state_clear(PG_STATE_BACKFILL_WAIT);
- pg->state_set(PG_STATE_BACKFILL_TOOFULL);
- pg->publish_stats_to_osd();
+ // scrubbing while recovering?
+
+ bool prevented_by_recovery =
+ osd->is_recovery_active() && !cct->_conf->osd_scrub_during_recovery &&
+ (!cct->_conf->osd_repair_during_recovery || !upd_flags.must_repair);
- pg->schedule_backfill_retry(pg->cct->_conf->osd_recovery_retry_interval);
+ if (prevented_by_recovery) {
+ dout(20) << __func__ << ": scrubbing prevented during recovery" << dendl;
+ return std::nullopt;
+ }
- return transit<NotBackfilling>();
+ upd_flags.need_auto = false;
+ return upd_flags;
}
-/*--WaitLocalBackfillReserved--*/
-PG::RecoveryState::WaitLocalBackfillReserved::WaitLocalBackfillReserved(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Active/WaitLocalBackfillReserved")
-{
- context< RecoveryMachine >().log_enter(state_name);
- PG *pg = context< RecoveryMachine >().pg;
- pg->state_set(PG_STATE_BACKFILL_WAIT);
- pg->osd->local_reserver.request_reservation(
- pg->info.pgid,
- new QueuePeeringEvt<LocalBackfillReserved>(
- pg, pg->get_osdmap()->get_epoch(),
- LocalBackfillReserved()),
- pg->get_backfill_priority(),
- new QueuePeeringEvt<DeferBackfill>(
- pg, pg->get_osdmap()->get_epoch(),
- DeferBackfill(0.0)));
- pg->publish_stats_to_osd();
-}
-
-void PG::RecoveryState::WaitLocalBackfillReserved::exit()
+/*
+ * Note: on_info_history_change() is used in those two cases where we're not sure
+ * whether the role of the PG was changed, and if so - was this change relayed to the
+ * scrub-queue.
+ */
+void PG::on_info_history_change()
{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_waitlocalbackfillreserved_latency, dur);
+ dout(20) << __func__ << " for a " << (is_primary() ? "Primary" : "non-primary") <<dendl;
+
+ ceph_assert(m_scrubber);
+ m_scrubber->on_maybe_registration_change(m_planned_scrub);
}
-/*----NotBackfilling------*/
-PG::RecoveryState::NotBackfilling::NotBackfilling(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Active/NotBackfilling")
+void PG::reschedule_scrub()
{
- context< RecoveryMachine >().log_enter(state_name);
- PG *pg = context< RecoveryMachine >().pg;
- pg->publish_stats_to_osd();
+ dout(20) << __func__ << " for a " << (is_primary() ? "Primary" : "non-primary") <<dendl;
+
+ // we are assuming no change in primary status
+ if (is_primary()) {
+ ceph_assert(m_scrubber);
+ m_scrubber->update_scrub_job(m_planned_scrub);
+ }
}
-boost::statechart::result
-PG::RecoveryState::NotBackfilling::react(const RemoteBackfillReserved &evt)
+void PG::on_primary_status_change(bool was_primary, bool now_primary)
{
- return discard_event();
-}
+ // make sure we have a working scrubber when becoming a primary
-boost::statechart::result
-PG::RecoveryState::NotBackfilling::react(const RemoteReservationRejected &evt)
-{
- return discard_event();
+ if (was_primary != now_primary) {
+ ceph_assert(m_scrubber);
+ m_scrubber->on_primary_change(m_planned_scrub);
+ }
}
-void PG::RecoveryState::NotBackfilling::exit()
+void PG::scrub_requested(scrub_level_t scrub_level, scrub_type_t scrub_type)
{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- pg->state_clear(PG_STATE_BACKFILL_UNFOUND);
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_notbackfilling_latency, dur);
+ ceph_assert(m_scrubber);
+ m_scrubber->scrub_requested(scrub_level, scrub_type, m_planned_scrub);
}
-/*----NotRecovering------*/
-PG::RecoveryState::NotRecovering::NotRecovering(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Active/NotRecovering")
-{
- context< RecoveryMachine >().log_enter(state_name);
- PG *pg = context< RecoveryMachine >().pg;
- pg->publish_stats_to_osd();
+void PG::clear_ready_to_merge() {
+ osd->clear_ready_to_merge(this);
}
-void PG::RecoveryState::NotRecovering::exit()
-{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- pg->state_clear(PG_STATE_RECOVERY_UNFOUND);
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_notrecovering_latency, dur);
+void PG::queue_want_pg_temp(const vector<int> &wanted) {
+ osd->queue_want_pg_temp(get_pgid().pgid, wanted);
}
-/*---RepNotRecovering----*/
-PG::RecoveryState::RepNotRecovering::RepNotRecovering(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/ReplicaActive/RepNotRecovering")
-{
- context< RecoveryMachine >().log_enter(state_name);
+void PG::clear_want_pg_temp() {
+ osd->remove_want_pg_temp(get_pgid().pgid);
}
-boost::statechart::result
-PG::RecoveryState::RepNotRecovering::react(const RejectRemoteReservation &evt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- pg->reject_reservation();
- post_event(RemoteReservationRejected());
- return discard_event();
+void PG::on_role_change() {
+ requeue_ops(waiting_for_peered);
+ plpg_on_role_change();
}
-void PG::RecoveryState::RepNotRecovering::exit()
+void PG::on_new_interval()
{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_repnotrecovering_latency, dur);
-}
+ projected_last_update = eversion_t();
+ cancel_recovery();
-/*---RepWaitRecoveryReserved--*/
-PG::RecoveryState::RepWaitRecoveryReserved::RepWaitRecoveryReserved(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/ReplicaActive/RepWaitRecoveryReserved")
-{
- context< RecoveryMachine >().log_enter(state_name);
- PG *pg = context< RecoveryMachine >().pg;
+ assert(m_scrubber);
+ // log some scrub data before we react to the interval
+ dout(20) << __func__ << (is_scrub_queued_or_active() ? " scrubbing " : " ")
+ << "flags: " << m_planned_scrub << dendl;
- pg->osd->remote_reserver.request_reservation(
- pg->info.pgid,
- new QueuePeeringEvt<RemoteRecoveryReserved>(
- pg, pg->get_osdmap()->get_epoch(),
- RemoteRecoveryReserved()),
- pg->get_recovery_priority());
+ m_scrubber->on_maybe_registration_change(m_planned_scrub);
}
-boost::statechart::result
-PG::RecoveryState::RepWaitRecoveryReserved::react(const RemoteRecoveryReserved &evt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- pg->osd->send_message_osd_cluster(
- pg->primary.osd,
- new MRecoveryReserve(
- MRecoveryReserve::GRANT,
- spg_t(pg->info.pgid.pgid, pg->primary.shard),
- pg->get_osdmap()->get_epoch()),
- pg->get_osdmap()->get_epoch());
- return transit<RepRecovering>();
-}
-
-boost::statechart::result
-PG::RecoveryState::RepWaitRecoveryReserved::react(
- const RemoteReservationCanceled &evt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- pg->osd->remote_reserver.cancel_reservation(pg->info.pgid);
- return transit<RepNotRecovering>();
+epoch_t PG::oldest_stored_osdmap() {
+ return osd->get_superblock().oldest_map;
}
-void PG::RecoveryState::RepWaitRecoveryReserved::exit()
-{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_repwaitrecoveryreserved_latency, dur);
+OstreamTemp PG::get_clog_info() {
+ return osd->clog->info();
}
-/*-RepWaitBackfillReserved*/
-PG::RecoveryState::RepWaitBackfillReserved::RepWaitBackfillReserved(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/ReplicaActive/RepWaitBackfillReserved")
-{
- context< RecoveryMachine >().log_enter(state_name);
+OstreamTemp PG::get_clog_debug() {
+ return osd->clog->debug();
}
-boost::statechart::result
-PG::RecoveryState::RepNotRecovering::react(const RequestBackfillPrio &evt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- ostringstream ss;
-
- if (pg->cct->_conf->osd_debug_reject_backfill_probability > 0 &&
- (rand()%1000 < (pg->cct->_conf->osd_debug_reject_backfill_probability*1000.0))) {
- ldout(pg->cct, 10) << "backfill reservation rejected: failure injection"
- << dendl;
- post_event(RejectRemoteReservation());
- } else if (!pg->cct->_conf->osd_debug_skip_full_check_in_backfill_reservation &&
- pg->osd->check_backfill_full(ss)) {
- ldout(pg->cct, 10) << "backfill reservation rejected: "
- << ss.str() << dendl;
- post_event(RejectRemoteReservation());
- } else {
- pg->osd->remote_reserver.request_reservation(
- pg->info.pgid,
- new QueuePeeringEvt<RemoteBackfillReserved>(
- pg, pg->get_osdmap()->get_epoch(),
- RemoteBackfillReserved()), evt.priority);
- }
- return transit<RepWaitBackfillReserved>();
+OstreamTemp PG::get_clog_error() {
+ return osd->clog->error();
}
-void PG::RecoveryState::RepWaitBackfillReserved::exit()
-{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_repwaitbackfillreserved_latency, dur);
+void PG::schedule_event_after(
+ PGPeeringEventRef event,
+ float delay) {
+ std::lock_guard lock(osd->recovery_request_lock);
+ osd->recovery_request_timer.add_event_after(
+ delay,
+ new QueuePeeringEvt(
+ this,
+ std::move(event)));
}
-boost::statechart::result
-PG::RecoveryState::RepWaitBackfillReserved::react(const RemoteBackfillReserved &evt)
-{
- PG *pg = context< RecoveryMachine >().pg;
-
- ostringstream ss;
- if (pg->cct->_conf->osd_debug_reject_backfill_probability > 0 &&
- (rand()%1000 < (pg->cct->_conf->osd_debug_reject_backfill_probability*1000.0))) {
- ldout(pg->cct, 10) << "backfill reservation rejected after reservation: "
- << "failure injection" << dendl;
- post_event(RejectRemoteReservation());
- return discard_event();
- } else if (!pg->cct->_conf->osd_debug_skip_full_check_in_backfill_reservation &&
- pg->osd->check_backfill_full(ss)) {
- ldout(pg->cct, 10) << "backfill reservation rejected after reservation: "
- << ss.str() << dendl;
- post_event(RejectRemoteReservation());
- return discard_event();
- } else {
- pg->osd->send_message_osd_cluster(
- pg->primary.osd,
- new MBackfillReserve(
- MBackfillReserve::GRANT,
- spg_t(pg->info.pgid.pgid, pg->primary.shard),
- pg->get_osdmap()->get_epoch()),
- pg->get_osdmap()->get_epoch());
- return transit<RepRecovering>();
- }
+void PG::request_local_background_io_reservation(
+ unsigned priority,
+ PGPeeringEventURef on_grant,
+ PGPeeringEventURef on_preempt) {
+ osd->local_reserver.request_reservation(
+ pg_id,
+ on_grant ? new QueuePeeringEvt(
+ this, std::move(on_grant)) : nullptr,
+ priority,
+ on_preempt ? new QueuePeeringEvt(
+ this, std::move(on_preempt)) : nullptr);
}
-boost::statechart::result
-PG::RecoveryState::RepWaitBackfillReserved::react(
- const RejectRemoteReservation &evt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- pg->reject_reservation();
- post_event(RemoteReservationRejected());
- return discard_event();
+void PG::update_local_background_io_priority(
+ unsigned priority) {
+ osd->local_reserver.update_priority(
+ pg_id,
+ priority);
}
-boost::statechart::result
-PG::RecoveryState::RepWaitBackfillReserved::react(
- const RemoteReservationRejected &evt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- pg->osd->remote_reserver.cancel_reservation(pg->info.pgid);
- return transit<RepNotRecovering>();
+void PG::cancel_local_background_io_reservation() {
+ osd->local_reserver.cancel_reservation(
+ pg_id);
}
-boost::statechart::result
-PG::RecoveryState::RepWaitBackfillReserved::react(
- const RemoteReservationCanceled &evt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- pg->osd->remote_reserver.cancel_reservation(pg->info.pgid);
- return transit<RepNotRecovering>();
+void PG::request_remote_recovery_reservation(
+ unsigned priority,
+ PGPeeringEventURef on_grant,
+ PGPeeringEventURef on_preempt) {
+ osd->remote_reserver.request_reservation(
+ pg_id,
+ on_grant ? new QueuePeeringEvt(
+ this, std::move(on_grant)) : nullptr,
+ priority,
+ on_preempt ? new QueuePeeringEvt(
+ this, std::move(on_preempt)) : nullptr);
}
-/*---RepRecovering-------*/
-PG::RecoveryState::RepRecovering::RepRecovering(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/ReplicaActive/RepRecovering")
-{
- context< RecoveryMachine >().log_enter(state_name);
+void PG::cancel_remote_recovery_reservation() {
+ osd->remote_reserver.cancel_reservation(
+ pg_id);
}
-boost::statechart::result
-PG::RecoveryState::RepRecovering::react(const BackfillTooFull &)
+void PG::schedule_event_on_commit(
+ ObjectStore::Transaction &t,
+ PGPeeringEventRef on_commit)
{
- PG *pg = context< RecoveryMachine >().pg;
- pg->reject_reservation();
- return discard_event();
+ t.register_on_commit(new QueuePeeringEvt(this, on_commit));
}
-void PG::RecoveryState::RepRecovering::exit()
+void PG::on_activate(interval_set<snapid_t> snaps)
{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- pg->osd->remote_reserver.cancel_reservation(pg->info.pgid);
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_reprecovering_latency, dur);
+ ceph_assert(!m_scrubber->are_callbacks_pending());
+ ceph_assert(callbacks_for_degraded_object.empty());
+ snap_trimq = snaps;
+ release_pg_backoffs();
+ projected_last_update = info.last_update;
}
-/*------Activating--------*/
-PG::RecoveryState::Activating::Activating(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Active/Activating")
+void PG::on_active_exit()
{
- context< RecoveryMachine >().log_enter(state_name);
+ backfill_reserving = false;
+ agent_stop();
}
-void PG::RecoveryState::Activating::exit()
+void PG::on_active_advmap(const OSDMapRef &osdmap)
{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_activating_latency, dur);
+ const auto& new_removed_snaps = osdmap->get_new_removed_snaps();
+ auto i = new_removed_snaps.find(get_pgid().pool());
+ if (i != new_removed_snaps.end()) {
+ bool bad = false;
+ for (auto j : i->second) {
+ if (snap_trimq.intersects(j.first, j.second)) {
+ decltype(snap_trimq) added, overlap;
+ added.insert(j.first, j.second);
+ overlap.intersection_of(snap_trimq, added);
+ derr << __func__ << " removed_snaps already contains "
+ << overlap << dendl;
+ bad = true;
+ snap_trimq.union_of(added);
+ } else {
+ snap_trimq.insert(j.first, j.second);
+ }
+ }
+ dout(10) << __func__ << " new removed_snaps " << i->second
+ << ", snap_trimq now " << snap_trimq << dendl;
+ ceph_assert(!bad || !cct->_conf->osd_debug_verify_cached_snaps);
+ }
+
+ const auto& new_purged_snaps = osdmap->get_new_purged_snaps();
+ auto j = new_purged_snaps.find(get_pgid().pgid.pool());
+ if (j != new_purged_snaps.end()) {
+ bool bad = false;
+ for (auto k : j->second) {
+ if (!recovery_state.get_info().purged_snaps.contains(k.first, k.second)) {
+ interval_set<snapid_t> rm, overlap;
+ rm.insert(k.first, k.second);
+ overlap.intersection_of(recovery_state.get_info().purged_snaps, rm);
+ derr << __func__ << " purged_snaps does not contain "
+ << rm << ", only " << overlap << dendl;
+ recovery_state.adjust_purged_snaps(
+ [&overlap](auto &purged_snaps) {
+ purged_snaps.subtract(overlap);
+ });
+ // This can currently happen in the normal (if unlikely) course of
+ // events. Because adding snaps to purged_snaps does not increase
+ // the pg version or add a pg log entry, we don't reliably propagate
+ // purged_snaps additions to other OSDs.
+ // One example:
+ // - purge S
+ // - primary and replicas update purged_snaps
+ // - no object updates
+ // - pg mapping changes, new primary on different node
+ // - new primary pg version == eversion_t(), so info is not
+ // propagated.
+ //bad = true;
+ } else {
+ recovery_state.adjust_purged_snaps(
+ [&k](auto &purged_snaps) {
+ purged_snaps.erase(k.first, k.second);
+ });
+ }
+ }
+ dout(10) << __func__ << " new purged_snaps " << j->second
+ << ", now " << recovery_state.get_info().purged_snaps << dendl;
+ ceph_assert(!bad || !cct->_conf->osd_debug_verify_cached_snaps);
+ }
}
-PG::RecoveryState::WaitLocalRecoveryReserved::WaitLocalRecoveryReserved(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Active/WaitLocalRecoveryReserved")
+void PG::queue_snap_retrim(snapid_t snap)
{
- context< RecoveryMachine >().log_enter(state_name);
- PG *pg = context< RecoveryMachine >().pg;
-
- // Make sure all nodes that part of the recovery aren't full
- if (!pg->cct->_conf->osd_debug_skip_full_check_in_recovery &&
- pg->osd->check_osdmap_full(pg->actingbackfill)) {
- post_event(RecoveryTooFull());
+ if (!is_active() ||
+ !is_primary()) {
+ dout(10) << __func__ << " snap " << snap << " - not active and primary"
+ << dendl;
return;
}
-
- pg->state_clear(PG_STATE_RECOVERY_TOOFULL);
- pg->state_set(PG_STATE_RECOVERY_WAIT);
- pg->osd->local_reserver.request_reservation(
- pg->info.pgid,
- new QueuePeeringEvt<LocalRecoveryReserved>(
- pg, pg->get_osdmap()->get_epoch(),
- LocalRecoveryReserved()),
- pg->get_recovery_priority(),
- new QueuePeeringEvt<DeferRecovery>(
- pg, pg->get_osdmap()->get_epoch(),
- DeferRecovery(0.0)));
- pg->publish_stats_to_osd();
-}
-
-boost::statechart::result
-PG::RecoveryState::WaitLocalRecoveryReserved::react(const RecoveryTooFull &evt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- pg->state_set(PG_STATE_RECOVERY_TOOFULL);
- pg->schedule_recovery_retry(pg->cct->_conf->osd_recovery_retry_interval);
- return transit<NotRecovering>();
+ if (!snap_trimq.contains(snap)) {
+ snap_trimq.insert(snap);
+ snap_trimq_repeat.insert(snap);
+ dout(20) << __func__ << " snap " << snap
+ << ", trimq now " << snap_trimq
+ << ", repeat " << snap_trimq_repeat << dendl;
+ kick_snap_trim();
+ } else {
+ dout(20) << __func__ << " snap " << snap
+ << " already in trimq " << snap_trimq << dendl;
+ }
}
-void PG::RecoveryState::WaitLocalRecoveryReserved::exit()
+void PG::on_active_actmap()
{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_waitlocalrecoveryreserved_latency, dur);
-}
+ if (cct->_conf->osd_check_for_log_corruption)
+ check_log_for_corruption(osd->store);
-PG::RecoveryState::WaitRemoteRecoveryReserved::WaitRemoteRecoveryReserved(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Active/WaitRemoteRecoveryReserved"),
- remote_recovery_reservation_it(context< Active >().remote_shards_to_reserve_recovery.begin())
-{
- context< RecoveryMachine >().log_enter(state_name);
- post_event(RemoteRecoveryReserved());
-}
-
-boost::statechart::result
-PG::RecoveryState::WaitRemoteRecoveryReserved::react(const RemoteRecoveryReserved &evt) {
- PG *pg = context< RecoveryMachine >().pg;
-
- if (remote_recovery_reservation_it != context< Active >().remote_shards_to_reserve_recovery.end()) {
- assert(*remote_recovery_reservation_it != pg->pg_whoami);
- ConnectionRef con = pg->osd->get_con_osd_cluster(
- remote_recovery_reservation_it->osd, pg->get_osdmap()->get_epoch());
- if (con) {
- pg->osd->send_message_osd_cluster(
- new MRecoveryReserve(
- MRecoveryReserve::REQUEST,
- spg_t(pg->info.pgid.pgid, remote_recovery_reservation_it->shard),
- pg->get_osdmap()->get_epoch()),
- con.get());
- }
- ++remote_recovery_reservation_it;
- } else {
- post_event(AllRemotesReserved());
+
+ if (recovery_state.is_active()) {
+ dout(10) << "Active: kicking snap trim" << dendl;
+ kick_snap_trim();
}
- return discard_event();
-}
-void PG::RecoveryState::WaitRemoteRecoveryReserved::exit()
-{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_waitremoterecoveryreserved_latency, dur);
+ if (recovery_state.is_peered() &&
+ !recovery_state.is_clean() &&
+ !recovery_state.get_osdmap()->test_flag(CEPH_OSDMAP_NOBACKFILL) &&
+ (!recovery_state.get_osdmap()->test_flag(CEPH_OSDMAP_NOREBALANCE) ||
+ recovery_state.is_degraded())) {
+ queue_recovery();
+ }
}
-PG::RecoveryState::Recovering::Recovering(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Active/Recovering")
+void PG::on_backfill_reserved()
{
- context< RecoveryMachine >().log_enter(state_name);
-
- PG *pg = context< RecoveryMachine >().pg;
- pg->state_clear(PG_STATE_RECOVERY_WAIT);
- pg->state_clear(PG_STATE_RECOVERY_TOOFULL);
- pg->state_set(PG_STATE_RECOVERING);
- assert(!pg->state_test(PG_STATE_ACTIVATING));
- pg->publish_stats_to_osd();
- pg->queue_recovery();
+ backfill_reserving = false;
+ queue_recovery();
}
-void PG::RecoveryState::Recovering::release_reservations(bool cancel)
+void PG::on_backfill_canceled()
{
- PG *pg = context< RecoveryMachine >().pg;
- assert(cancel || !pg->pg_log.get_missing().have_missing());
-
- // release remote reservations
- for (set<pg_shard_t>::const_iterator i =
- context< Active >().remote_shards_to_reserve_recovery.begin();
- i != context< Active >().remote_shards_to_reserve_recovery.end();
- ++i) {
- if (*i == pg->pg_whoami) // skip myself
- continue;
- ConnectionRef con = pg->osd->get_con_osd_cluster(
- i->osd, pg->get_osdmap()->get_epoch());
- if (con) {
- pg->osd->send_message_osd_cluster(
- new MRecoveryReserve(
- MRecoveryReserve::RELEASE,
- spg_t(pg->info.pgid.pgid, i->shard),
- pg->get_osdmap()->get_epoch()),
- con.get());
- }
+ if (!waiting_on_backfill.empty()) {
+ waiting_on_backfill.clear();
+ finish_recovery_op(hobject_t::get_max());
}
}
-boost::statechart::result
-PG::RecoveryState::Recovering::react(const AllReplicasRecovered &evt)
+void PG::on_recovery_reserved()
{
- PG *pg = context< RecoveryMachine >().pg;
- pg->state_clear(PG_STATE_RECOVERING);
- pg->state_clear(PG_STATE_FORCED_RECOVERY);
- release_reservations();
- pg->osd->local_reserver.cancel_reservation(pg->info.pgid);
- return transit<Recovered>();
+ queue_recovery();
}
-boost::statechart::result
-PG::RecoveryState::Recovering::react(const RequestBackfill &evt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- pg->state_clear(PG_STATE_RECOVERING);
- pg->state_clear(PG_STATE_FORCED_RECOVERY);
- release_reservations();
- pg->osd->local_reserver.cancel_reservation(pg->info.pgid);
- // XXX: Is this needed?
- pg->publish_stats_to_osd();
- return transit<WaitLocalBackfillReserved>();
-}
-
-boost::statechart::result
-PG::RecoveryState::Recovering::react(const DeferRecovery &evt)
+void PG::set_not_ready_to_merge_target(pg_t pgid, pg_t src)
{
- PG *pg = context< RecoveryMachine >().pg;
- if (!pg->state_test(PG_STATE_RECOVERING)) {
- // we may have finished recovery and have an AllReplicasRecovered
- // event queued to move us to the next state.
- ldout(pg->cct, 10) << "got defer recovery but not recovering" << dendl;
- return discard_event();
- }
- ldout(pg->cct, 10) << "defer recovery, retry delay " << evt.delay << dendl;
- pg->state_clear(PG_STATE_RECOVERING);
- pg->state_set(PG_STATE_RECOVERY_WAIT);
- pg->osd->local_reserver.cancel_reservation(pg->info.pgid);
- release_reservations(true);
- pg->schedule_recovery_retry(evt.delay);
- return transit<NotRecovering>();
+ osd->set_not_ready_to_merge_target(pgid, src);
}
-boost::statechart::result
-PG::RecoveryState::Recovering::react(const UnfoundRecovery &evt)
+void PG::set_not_ready_to_merge_source(pg_t pgid)
{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "recovery has unfound, can't continue" << dendl;
- pg->state_set(PG_STATE_RECOVERY_UNFOUND);
- pg->state_clear(PG_STATE_RECOVERING);
- pg->osd->local_reserver.cancel_reservation(pg->info.pgid);
- release_reservations(true);
- return transit<NotRecovering>();
+ osd->set_not_ready_to_merge_source(pgid);
}
-void PG::RecoveryState::Recovering::exit()
+void PG::set_ready_to_merge_target(eversion_t lu, epoch_t les, epoch_t lec)
{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_recovering_latency, dur);
+ osd->set_ready_to_merge_target(this, lu, les, lec);
}
-PG::RecoveryState::Recovered::Recovered(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Active/Recovered")
+void PG::set_ready_to_merge_source(eversion_t lu)
{
- pg_shard_t auth_log_shard;
-
- context< RecoveryMachine >().log_enter(state_name);
-
- PG *pg = context< RecoveryMachine >().pg;
-
- assert(!pg->needs_recovery());
-
- // if we finished backfill, all acting are active; recheck if
- // DEGRADED | UNDERSIZED is appropriate.
- assert(!pg->actingbackfill.empty());
- if (pg->get_osdmap()->get_pg_size(pg->info.pgid.pgid) <=
- pg->actingbackfill.size()) {
- pg->state_clear(PG_STATE_FORCED_BACKFILL | PG_STATE_FORCED_RECOVERY);
- pg->publish_stats_to_osd();
- }
-
- // trim pglog on recovered
- pg->trim_log();
-
- // adjust acting set? (e.g. because backfill completed...)
- bool history_les_bound = false;
- if (pg->acting != pg->up && !pg->choose_acting(auth_log_shard,
- true, &history_les_bound))
- assert(pg->want_acting.size());
-
- if (context< Active >().all_replicas_activated)
- post_event(GoClean());
+ osd->set_ready_to_merge_source(this, lu);
}
-void PG::RecoveryState::Recovered::exit()
+void PG::send_pg_created(pg_t pgid)
{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_recovered_latency, dur);
+ osd->send_pg_created(pgid);
}
-PG::RecoveryState::Clean::Clean(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Active/Clean")
+ceph::signedspan PG::get_mnow()
{
- context< RecoveryMachine >().log_enter(state_name);
-
- PG *pg = context< RecoveryMachine >().pg;
-
- if (pg->info.last_complete != pg->info.last_update) {
- ceph_abort();
- }
- pg->finish_recovery(*context< RecoveryMachine >().get_on_safe_context_list());
-
- if (pg->is_active()) {
- pg->mark_clean();
- }
-
- pg->share_pg_info();
- pg->publish_stats_to_osd();
- pg->requeue_ops(pg->waiting_for_clean_to_primary_repair);
+ return osd->get_mnow();
}
-void PG::RecoveryState::Clean::exit()
+HeartbeatStampsRef PG::get_hb_stamps(int peer)
{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- pg->state_clear(PG_STATE_CLEAN);
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_clean_latency, dur);
+ return osd->get_hb_stamps(peer);
}
-template <typename T>
-set<pg_shard_t> unique_osd_shard_set(const pg_shard_t & skip, const T &in)
+void PG::schedule_renew_lease(epoch_t lpr, ceph::timespan delay)
{
- set<int> osds_found;
- set<pg_shard_t> out;
- for (typename T::const_iterator i = in.begin();
- i != in.end();
- ++i) {
- if (*i != skip && !osds_found.count(i->osd)) {
- osds_found.insert(i->osd);
- out.insert(*i);
- }
- }
- return out;
+ auto spgid = info.pgid;
+ auto o = osd;
+ osd->mono_timer.add_event(
+ delay,
+ [o, lpr, spgid]() {
+ o->queue_renew_lease(lpr, spgid);
+ });
}
-/*---------Active---------*/
-PG::RecoveryState::Active::Active(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Active"),
- remote_shards_to_reserve_recovery(
- unique_osd_shard_set(
- context< RecoveryMachine >().pg->pg_whoami,
- context< RecoveryMachine >().pg->actingbackfill)),
- remote_shards_to_reserve_backfill(
- unique_osd_shard_set(
- context< RecoveryMachine >().pg->pg_whoami,
- context< RecoveryMachine >().pg->backfill_targets)),
- all_replicas_activated(false)
+void PG::queue_check_readable(epoch_t lpr, ceph::timespan delay)
{
- context< RecoveryMachine >().log_enter(state_name);
-
- PG *pg = context< RecoveryMachine >().pg;
-
- assert(!pg->backfill_reserving);
- assert(!pg->backfill_reserved);
- assert(pg->is_primary());
- ldout(pg->cct, 10) << "In Active, about to call activate" << dendl;
- pg->start_flush(
- context< RecoveryMachine >().get_cur_transaction(),
- context< RecoveryMachine >().get_on_applied_context_list(),
- context< RecoveryMachine >().get_on_safe_context_list());
- pg->activate(*context< RecoveryMachine >().get_cur_transaction(),
- pg->get_osdmap()->get_epoch(),
- *context< RecoveryMachine >().get_on_safe_context_list(),
- *context< RecoveryMachine >().get_query_map(),
- context< RecoveryMachine >().get_info_map(),
- context< RecoveryMachine >().get_recovery_ctx());
-
- // everyone has to commit/ack before we are truly active
- pg->blocked_by.clear();
- for (set<pg_shard_t>::iterator p = pg->actingbackfill.begin();
- p != pg->actingbackfill.end();
- ++p) {
- if (p->shard != pg->pg_whoami.shard) {
- pg->blocked_by.insert(p->shard);
- }
- }
- pg->publish_stats_to_osd();
- ldout(pg->cct, 10) << "Activate Finished" << dendl;
+ osd->queue_check_readable(info.pgid, lpr, delay);
}
-boost::statechart::result PG::RecoveryState::Active::react(const AdvMap& advmap)
+void PG::rebuild_missing_set_with_deletes(PGLog &pglog)
{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "Active advmap" << dendl;
- if (!pg->pool.newly_removed_snaps.empty()) {
- pg->snap_trimq.union_of(pg->pool.newly_removed_snaps);
- ldout(pg->cct, 10) << *pg << " snap_trimq now " << pg->snap_trimq << dendl;
- pg->dirty_info = true;
- pg->dirty_big_info = true;
- }
+ pglog.rebuild_missing_set_with_deletes(
+ osd->store,
+ ch,
+ recovery_state.get_info());
+}
- for (size_t i = 0; i < pg->want_acting.size(); i++) {
- int osd = pg->want_acting[i];
- if (!advmap.osdmap->is_up(osd)) {
- pg_shard_t osd_with_shard(osd, shard_id_t(i));
- assert(pg->is_acting(osd_with_shard) || pg->is_up(osd_with_shard));
+void PG::on_activate_committed()
+{
+ if (!is_primary()) {
+ // waiters
+ if (recovery_state.needs_flush() == 0) {
+ requeue_ops(waiting_for_peered);
+ } else if (!waiting_for_peered.empty()) {
+ dout(10) << __func__ << " flushes in progress, moving "
+ << waiting_for_peered.size() << " items to waiting_for_flush"
+ << dendl;
+ ceph_assert(waiting_for_flush.empty());
+ waiting_for_flush.swap(waiting_for_peered);
}
}
+}
- bool need_publish = false;
- /* Check for changes in pool size (if the acting set changed as a result,
- * this does not matter) */
- if (advmap.lastmap->get_pg_size(pg->info.pgid.pgid) !=
- pg->get_osdmap()->get_pg_size(pg->info.pgid.pgid)) {
- if (pg->get_osdmap()->get_pg_size(pg->info.pgid.pgid) <= pg->actingset.size()) {
- pg->state_clear(PG_STATE_UNDERSIZED);
- } else {
- pg->state_set(PG_STATE_UNDERSIZED);
- }
- // degraded changes will be detected by call from publish_stats_to_osd()
- need_publish = true;
- }
+// Compute pending backfill data
+static int64_t pending_backfill(CephContext *cct, int64_t bf_bytes, int64_t local_bytes)
+{
+ lgeneric_dout(cct, 20) << __func__ << " Adjust local usage "
+ << (local_bytes >> 10) << "KiB"
+ << " primary usage " << (bf_bytes >> 10)
+ << "KiB" << dendl;
- // if we haven't reported our PG stats in a long time, do so now.
- if (pg->info.stats.reported_epoch + pg->cct->_conf->osd_pg_stat_report_interval_max < advmap.osdmap->get_epoch()) {
- ldout(pg->cct, 20) << "reporting stats to osd after " << (advmap.osdmap->get_epoch() - pg->info.stats.reported_epoch)
- << " epochs" << dendl;
- need_publish = true;
- }
+ return std::max((int64_t)0, bf_bytes - local_bytes);
+}
- if (need_publish)
- pg->publish_stats_to_osd();
- return forward_event();
-}
-
-boost::statechart::result PG::RecoveryState::Active::react(const ActMap&)
-{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "Active: handling ActMap" << dendl;
- assert(pg->is_primary());
+// We can zero the value of primary num_bytes as just an atomic.
+// However, setting above zero reserves space for backfill and requires
+// the OSDService::stat_lock which protects all OSD usage
+bool PG::try_reserve_recovery_space(
+ int64_t primary_bytes, int64_t local_bytes) {
+ // Use tentative_bacfill_full() to make sure enough
+ // space is available to handle target bytes from primary.
- if (pg->have_unfound()) {
- // object may have become unfound
- pg->discover_all_missing(*context< RecoveryMachine >().get_query_map());
- }
+ // TODO: If we passed num_objects from primary we could account for
+ // an estimate of the metadata overhead.
- if (pg->cct->_conf->osd_check_for_log_corruption)
- pg->check_log_for_corruption(pg->osd->store);
-
- uint64_t unfound = pg->missing_loc.num_unfound();
- if (unfound > 0 &&
- pg->all_unfound_are_queried_or_lost(pg->get_osdmap())) {
- if (pg->cct->_conf->osd_auto_mark_unfound_lost) {
- pg->osd->clog->error() << pg->info.pgid.pgid << " has " << unfound
- << " objects unfound and apparently lost, would automatically "
- << "mark these objects lost but this feature is not yet implemented "
- << "(osd_auto_mark_unfound_lost)";
- } else
- pg->osd->clog->error() << pg->info.pgid.pgid << " has "
- << unfound << " objects unfound and apparently lost";
- }
+ // TODO: If we had compressed_allocated and compressed_original from primary
+ // we could compute compression ratio and adjust accordingly.
- if (pg->is_active()) {
- ldout(pg->cct, 10) << "Active: kicking snap trim" << dendl;
- pg->kick_snap_trim();
- }
+ // XXX: There is no way to get omap overhead and this would only apply
+ // to whatever possibly different partition that is storing the database.
- if (pg->is_peered() &&
- !pg->is_clean() &&
- !pg->get_osdmap()->test_flag(CEPH_OSDMAP_NOBACKFILL) &&
- (!pg->get_osdmap()->test_flag(CEPH_OSDMAP_NOREBALANCE) || pg->is_degraded())) {
- pg->queue_recovery();
+ // update_osd_stat() from heartbeat will do this on a new
+ // statfs using ps->primary_bytes.
+ uint64_t pending_adjustment = 0;
+ if (primary_bytes) {
+ // For erasure coded pool overestimate by a full stripe per object
+ // because we don't know how each objected rounded to the nearest stripe
+ if (pool.info.is_erasure()) {
+ primary_bytes /= (int)get_pgbackend()->get_ec_data_chunk_count();
+ primary_bytes += get_pgbackend()->get_ec_stripe_chunk_size() *
+ info.stats.stats.sum.num_objects;
+ local_bytes /= (int)get_pgbackend()->get_ec_data_chunk_count();
+ local_bytes += get_pgbackend()->get_ec_stripe_chunk_size() *
+ info.stats.stats.sum.num_objects;
+ }
+ pending_adjustment = pending_backfill(
+ cct,
+ primary_bytes,
+ local_bytes);
+ dout(10) << __func__ << " primary_bytes " << (primary_bytes >> 10)
+ << "KiB"
+ << " local " << (local_bytes >> 10) << "KiB"
+ << " pending_adjustments " << (pending_adjustment >> 10) << "KiB"
+ << dendl;
}
- return forward_event();
-}
-boost::statechart::result PG::RecoveryState::Active::react(const MNotifyRec& notevt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- assert(pg->is_primary());
- if (pg->peer_info.count(notevt.from)) {
- ldout(pg->cct, 10) << "Active: got notify from " << notevt.from
- << ", already have info from that osd, ignoring"
- << dendl;
- } else if (pg->peer_purged.count(notevt.from)) {
- ldout(pg->cct, 10) << "Active: got notify from " << notevt.from
- << ", already purged that peer, ignoring"
- << dendl;
+ // This lock protects not only the stats OSDService but also setting the
+ // pg primary_bytes. That's why we don't immediately unlock
+ std::lock_guard l{osd->stat_lock};
+ osd_stat_t cur_stat = osd->osd_stat;
+ if (cct->_conf->osd_debug_reject_backfill_probability > 0 &&
+ (rand()%1000 < (cct->_conf->osd_debug_reject_backfill_probability*1000.0))) {
+ dout(10) << "backfill reservation rejected: failure injection"
+ << dendl;
+ return false;
+ } else if (!cct->_conf->osd_debug_skip_full_check_in_backfill_reservation &&
+ osd->tentative_backfill_full(this, pending_adjustment, cur_stat)) {
+ dout(10) << "backfill reservation rejected: backfill full"
+ << dendl;
+ return false;
} else {
- ldout(pg->cct, 10) << "Active: got notify from " << notevt.from
- << ", calling proc_replica_info and discover_all_missing"
- << dendl;
- pg->proc_replica_info(
- notevt.from, notevt.notify.info, notevt.notify.epoch_sent);
- if (pg->have_unfound()) {
- pg->discover_all_missing(*context< RecoveryMachine >().get_query_map());
+ // Don't reserve space if skipped reservation check, this is used
+ // to test the other backfill full check AND in case a corruption
+ // of num_bytes requires ignoring that value and trying the
+ // backfill anyway.
+ if (primary_bytes &&
+ !cct->_conf->osd_debug_skip_full_check_in_backfill_reservation) {
+ primary_num_bytes.store(primary_bytes);
+ local_num_bytes.store(local_bytes);
+ } else {
+ unreserve_recovery_space();
}
+ return true;
}
- return discard_event();
}
-boost::statechart::result PG::RecoveryState::Active::react(const MInfoRec& infoevt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- assert(pg->is_primary());
-
- assert(!pg->actingbackfill.empty());
- // don't update history (yet) if we are active and primary; the replica
- // may be telling us they have activated (and committed) but we can't
- // share that until _everyone_ does the same.
- if (pg->is_actingbackfill(infoevt.from)) {
- ldout(pg->cct, 10) << " peer osd." << infoevt.from
- << " activated and committed" << dendl;
- pg->peer_activated.insert(infoevt.from);
- pg->blocked_by.erase(infoevt.from.shard);
- pg->publish_stats_to_osd();
- if (pg->peer_activated.size() == pg->actingbackfill.size()) {
- pg->all_activated_and_committed();
- }
- }
- return discard_event();
+void PG::unreserve_recovery_space() {
+ primary_num_bytes.store(0);
+ local_num_bytes.store(0);
}
-boost::statechart::result PG::RecoveryState::Active::react(const MLogRec& logevt)
+void PG::_scan_rollback_obs(const vector<ghobject_t> &rollback_obs)
{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "searching osd." << logevt.from
- << " log for unfound items" << dendl;
- pg->proc_replica_log(
- logevt.msg->info, logevt.msg->log, logevt.msg->missing, logevt.from);
- bool got_missing = pg->search_for_missing(
- pg->peer_info[logevt.from],
- pg->peer_missing[logevt.from],
- logevt.from,
- context< RecoveryMachine >().get_recovery_ctx());
- // If there are missing AND we are "fully" active then start recovery now
- if (got_missing && pg->state_test(PG_STATE_ACTIVE)) {
- post_event(DoRecovery());
+ ObjectStore::Transaction t;
+ eversion_t trimmed_to = recovery_state.get_last_rollback_info_trimmed_to_applied();
+ for (vector<ghobject_t>::const_iterator i = rollback_obs.begin();
+ i != rollback_obs.end();
+ ++i) {
+ if (i->generation < trimmed_to.version) {
+ dout(10) << __func__ << "osd." << osd->whoami
+ << " pg " << info.pgid
+ << " found obsolete rollback obj "
+ << *i << " generation < trimmed_to "
+ << trimmed_to
+ << "...repaired" << dendl;
+ t.remove(coll, *i);
+ }
+ }
+ if (!t.empty()) {
+ derr << __func__ << ": queueing trans to clean up obsolete rollback objs"
+ << dendl;
+ osd->store->queue_transaction(ch, std::move(t), NULL);
}
- return discard_event();
}
-boost::statechart::result PG::RecoveryState::Active::react(const QueryState& q)
-{
- PG *pg = context< RecoveryMachine >().pg;
- q.f->open_object_section("state");
- q.f->dump_string("name", state_name);
- q.f->dump_stream("enter_time") << enter_time;
+void PG::_repair_oinfo_oid(ScrubMap &smap)
+{
+ for (map<hobject_t, ScrubMap::object>::reverse_iterator i = smap.objects.rbegin();
+ i != smap.objects.rend();
+ ++i) {
+ const hobject_t &hoid = i->first;
+ ScrubMap::object &o = i->second;
- {
- q.f->open_array_section("might_have_unfound");
- for (set<pg_shard_t>::iterator p = pg->might_have_unfound.begin();
- p != pg->might_have_unfound.end();
- ++p) {
- q.f->open_object_section("osd");
- q.f->dump_stream("osd") << *p;
- if (pg->peer_missing.count(*p)) {
- q.f->dump_string("status", "already probed");
- } else if (pg->peer_missing_requested.count(*p)) {
- q.f->dump_string("status", "querying");
- } else if (!pg->get_osdmap()->is_up(p->osd)) {
- q.f->dump_string("status", "osd is down");
- } else {
- q.f->dump_string("status", "not queried");
- }
- q.f->close_section();
+ bufferlist bl;
+ if (o.attrs.find(OI_ATTR) == o.attrs.end()) {
+ continue;
}
- q.f->close_section();
- }
- {
- q.f->open_object_section("recovery_progress");
- pg->dump_recovery_info(q.f);
- q.f->close_section();
- }
+ bl.push_back(o.attrs[OI_ATTR]);
+ object_info_t oi;
+ try {
+ oi.decode(bl);
+ } catch(...) {
+ continue;
+ }
+ if (oi.soid != hoid) {
+ ObjectStore::Transaction t;
+ OSDriver::OSTransaction _t(osdriver.get_transaction(&t));
+ osd->clog->error() << "osd." << osd->whoami
+ << " found object info error on pg "
+ << info.pgid
+ << " oid " << hoid << " oid in object info: "
+ << oi.soid
+ << "...repaired";
+ // Fix object info
+ oi.soid = hoid;
+ bl.clear();
+ encode(oi, bl, get_osdmap()->get_features(CEPH_ENTITY_TYPE_OSD, nullptr));
- {
- q.f->open_object_section("scrub");
- q.f->dump_stream("scrubber.epoch_start") << pg->scrubber.epoch_start;
- q.f->dump_bool("scrubber.active", pg->scrubber.active);
- q.f->dump_string("scrubber.state", Scrubber::state_string(pg->scrubber.state));
- q.f->dump_stream("scrubber.start") << pg->scrubber.start;
- q.f->dump_stream("scrubber.end") << pg->scrubber.end;
- q.f->dump_stream("scrubber.max_end") << pg->scrubber.max_end;
- q.f->dump_stream("scrubber.subset_last_update") << pg->scrubber.subset_last_update;
- q.f->dump_bool("scrubber.deep", pg->scrubber.deep);
- {
- q.f->open_array_section("scrubber.waiting_on_whom");
- for (set<pg_shard_t>::iterator p = pg->scrubber.waiting_on_whom.begin();
- p != pg->scrubber.waiting_on_whom.end();
- ++p) {
- q.f->dump_stream("shard") << *p;
+ bufferptr bp(bl.c_str(), bl.length());
+ o.attrs[OI_ATTR] = bp;
+
+ t.setattr(coll, ghobject_t(hoid), OI_ATTR, bl);
+ int r = osd->store->queue_transaction(ch, std::move(t));
+ if (r != 0) {
+ derr << __func__ << ": queue_transaction got " << cpp_strerror(r)
+ << dendl;
}
- q.f->close_section();
}
- q.f->close_section();
}
-
- q.f->close_section();
- return forward_event();
}
-boost::statechart::result PG::RecoveryState::Active::react(const AllReplicasActivated &evt)
+void PG::repair_object(
+ const hobject_t &soid,
+ const list<pair<ScrubMap::object, pg_shard_t> > &ok_peers,
+ const set<pg_shard_t> &bad_peers)
{
- PG *pg = context< RecoveryMachine >().pg;
- all_replicas_activated = true;
+ set<pg_shard_t> ok_shards;
+ for (auto &&peer: ok_peers) ok_shards.insert(peer.second);
- pg->state_clear(PG_STATE_ACTIVATING);
- pg->state_clear(PG_STATE_CREATING);
- if (pg->acting.size() >= pg->pool.info.min_size) {
- pg->state_set(PG_STATE_ACTIVE);
- } else {
- pg->state_set(PG_STATE_PEERED);
- }
+ dout(10) << "repair_object " << soid
+ << " bad_peers osd.{" << bad_peers << "},"
+ << " ok_peers osd.{" << ok_shards << "}" << dendl;
- // info.last_epoch_started is set during activate()
- pg->info.history.last_epoch_started = pg->info.last_epoch_started;
- pg->info.history.last_interval_started = pg->info.last_interval_started;
- pg->dirty_info = true;
-
- pg->share_pg_info();
- pg->publish_stats_to_osd();
-
- pg->check_local();
-
- // waiters
- if (pg->flushes_in_progress == 0) {
- pg->requeue_ops(pg->waiting_for_peered);
- } else if (!pg->waiting_for_peered.empty()) {
- ldout(pg->cct, 10) << __func__ << " flushes in progress, moving "
- << pg->waiting_for_peered.size()
- << " items to waiting_for_flush"
- << dendl;
- assert(pg->waiting_for_flush.empty());
- pg->waiting_for_flush.swap(pg->waiting_for_peered);
+ const ScrubMap::object &po = ok_peers.back().first;
+ eversion_t v;
+ object_info_t oi;
+ try {
+ bufferlist bv;
+ if (po.attrs.count(OI_ATTR)) {
+ bv.push_back(po.attrs.find(OI_ATTR)->second);
+ }
+ auto bliter = bv.cbegin();
+ decode(oi, bliter);
+ } catch (...) {
+ dout(0) << __func__ << ": Need version of replica, bad object_info_t: "
+ << soid << dendl;
+ ceph_abort();
}
- pg->on_activate();
-
- return discard_event();
-}
-
-void PG::RecoveryState::Active::exit()
-{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- pg->osd->local_reserver.cancel_reservation(pg->info.pgid);
-
- pg->blocked_by.clear();
- pg->backfill_reserved = false;
- pg->backfill_reserving = false;
- pg->state_clear(PG_STATE_ACTIVATING);
- pg->state_clear(PG_STATE_DEGRADED);
- pg->state_clear(PG_STATE_UNDERSIZED);
- pg->state_clear(PG_STATE_BACKFILL_TOOFULL);
- pg->state_clear(PG_STATE_BACKFILL_WAIT);
- pg->state_clear(PG_STATE_RECOVERY_WAIT);
- pg->state_clear(PG_STATE_RECOVERY_TOOFULL);
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_active_latency, dur);
- pg->agent_stop();
-}
-
-/*------ReplicaActive-----*/
-PG::RecoveryState::ReplicaActive::ReplicaActive(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/ReplicaActive")
-{
- context< RecoveryMachine >().log_enter(state_name);
-
- PG *pg = context< RecoveryMachine >().pg;
- pg->start_flush(
- context< RecoveryMachine >().get_cur_transaction(),
- context< RecoveryMachine >().get_on_applied_context_list(),
- context< RecoveryMachine >().get_on_safe_context_list());
-}
-
-
-boost::statechart::result PG::RecoveryState::ReplicaActive::react(
- const Activate& actevt) {
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "In ReplicaActive, about to call activate" << dendl;
- map<int, map<spg_t, pg_query_t> > query_map;
- pg->activate(*context< RecoveryMachine >().get_cur_transaction(),
- actevt.activation_epoch,
- *context< RecoveryMachine >().get_on_safe_context_list(),
- query_map, NULL, NULL);
- ldout(pg->cct, 10) << "Activate Finished" << dendl;
- return discard_event();
-}
+ if (bad_peers.count(get_primary())) {
+ // We should only be scrubbing if the PG is clean.
+ ceph_assert(waiting_for_unreadable_object.empty());
+ dout(10) << __func__ << ": primary = " << get_primary() << dendl;
+ }
-boost::statechart::result PG::RecoveryState::ReplicaActive::react(const MInfoRec& infoevt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- pg->proc_primary_info(*context<RecoveryMachine>().get_cur_transaction(),
- infoevt.info);
- return discard_event();
+ /* No need to pass ok_peers, they must not be missing the object, so
+ * force_object_missing will add them to missing_loc anyway */
+ recovery_state.force_object_missing(bad_peers, soid, oi.version);
}
-boost::statechart::result PG::RecoveryState::ReplicaActive::react(const MLogRec& logevt)
+void PG::forward_scrub_event(ScrubAPI fn, epoch_t epoch_queued, std::string_view desc)
{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "received log from " << logevt.from << dendl;
- ObjectStore::Transaction* t = context<RecoveryMachine>().get_cur_transaction();
- pg->merge_log(*t, logevt.msg->info, logevt.msg->log, logevt.from);
- assert(pg->pg_log.get_head() == pg->info.last_update);
-
- return discard_event();
+ dout(20) << __func__ << ": " << desc << " queued at: " << epoch_queued << dendl;
+ ceph_assert(m_scrubber);
+ if (is_active()) {
+ ((*m_scrubber).*fn)(epoch_queued);
+ } else {
+ // pg might be in the process of being deleted
+ dout(5) << __func__ << " refusing to forward. " << (is_clean() ? "(clean) " : "(not clean) ") <<
+ (is_active() ? "(active) " : "(not active) ") << dendl;
+ }
}
-boost::statechart::result PG::RecoveryState::ReplicaActive::react(const ActMap&)
+void PG::forward_scrub_event(ScrubSafeAPI fn,
+ epoch_t epoch_queued,
+ Scrub::act_token_t act_token,
+ std::string_view desc)
{
- PG *pg = context< RecoveryMachine >().pg;
- if (pg->should_send_notify() && pg->get_primary().osd >= 0) {
- context< RecoveryMachine >().send_notify(
- pg->get_primary(),
- pg_notify_t(
- pg->get_primary().shard, pg->pg_whoami.shard,
- pg->get_osdmap()->get_epoch(),
- pg->get_osdmap()->get_epoch(),
- pg->info),
- pg->past_intervals);
+ dout(20) << __func__ << ": " << desc << " queued: " << epoch_queued
+ << " token: " << act_token << dendl;
+ ceph_assert(m_scrubber);
+ if (is_active()) {
+ ((*m_scrubber).*fn)(epoch_queued, act_token);
+ } else {
+ // pg might be in the process of being deleted
+ dout(5) << __func__ << " refusing to forward. "
+ << (is_clean() ? "(clean) " : "(not clean) ")
+ << (is_active() ? "(active) " : "(not active) ") << dendl;
}
- pg->take_waiters();
- return discard_event();
}
-boost::statechart::result PG::RecoveryState::ReplicaActive::react(
- const MQuery& query)
+void PG::replica_scrub(OpRequestRef op, ThreadPool::TPHandle& handle)
{
- PG *pg = context< RecoveryMachine >().pg;
- pg->fulfill_query(query, context<RecoveryMachine>().get_recovery_ctx());
- return discard_event();
+ dout(10) << __func__ << " (op)" << dendl;
+ ceph_assert(m_scrubber);
+ m_scrubber->replica_scrub_op(op);
}
-boost::statechart::result PG::RecoveryState::ReplicaActive::react(const QueryState& q)
+void PG::replica_scrub(epoch_t epoch_queued,
+ Scrub::act_token_t act_token,
+ [[maybe_unused]] ThreadPool::TPHandle& handle)
{
- q.f->open_object_section("state");
- q.f->dump_string("name", state_name);
- q.f->dump_stream("enter_time") << enter_time;
- q.f->close_section();
- return forward_event();
+ dout(10) << __func__ << " queued at: " << epoch_queued
+ << (is_primary() ? " (primary)" : " (replica)") << dendl;
+ forward_scrub_event(&ScrubPgIF::send_start_replica, epoch_queued, act_token,
+ "StartReplica/nw");
}
-void PG::RecoveryState::ReplicaActive::exit()
+bool PG::ops_blocked_by_scrub() const
{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- pg->osd->remote_reserver.cancel_reservation(pg->info.pgid);
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_replicaactive_latency, dur);
+ return !waiting_for_scrub.empty();
}
-/*-------Stray---*/
-PG::RecoveryState::Stray::Stray(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Stray")
+Scrub::scrub_prio_t PG::is_scrub_blocking_ops() const
{
- context< RecoveryMachine >().log_enter(state_name);
-
- PG *pg = context< RecoveryMachine >().pg;
- assert(!pg->is_peered());
- assert(!pg->is_peering());
- assert(!pg->is_primary());
- pg->start_flush(
- context< RecoveryMachine >().get_cur_transaction(),
- context< RecoveryMachine >().get_on_applied_context_list(),
- context< RecoveryMachine >().get_on_safe_context_list());
+ return waiting_for_scrub.empty() ? Scrub::scrub_prio_t::low_priority
+ : Scrub::scrub_prio_t::high_priority;
}
-boost::statechart::result PG::RecoveryState::Stray::react(const MLogRec& logevt)
+bool PG::old_peering_msg(epoch_t reply_epoch, epoch_t query_epoch)
{
- PG *pg = context< RecoveryMachine >().pg;
- MOSDPGLog *msg = logevt.msg.get();
- ldout(pg->cct, 10) << "got info+log from osd." << logevt.from << " " << msg->info << " " << msg->log << dendl;
-
- ObjectStore::Transaction* t = context<RecoveryMachine>().get_cur_transaction();
- if (msg->info.last_backfill == hobject_t()) {
- // restart backfill
- pg->unreg_next_scrub();
- pg->info = msg->info;
- pg->reg_next_scrub();
- pg->dirty_info = true;
- pg->dirty_big_info = true; // maybe.
-
- PGLogEntryHandler rollbacker{pg, t};
- pg->pg_log.reset_backfill_claim_log(msg->log, &rollbacker);
-
- pg->pg_log.reset_backfill();
- } else {
- pg->merge_log(*t, msg->info, msg->log, logevt.from);
+ if (auto last_reset = get_last_peering_reset();
+ last_reset > reply_epoch || last_reset > query_epoch) {
+ dout(10) << "old_peering_msg reply_epoch " << reply_epoch << " query_epoch "
+ << query_epoch << " last_peering_reset " << last_reset << dendl;
+ return true;
}
-
- assert(pg->pg_log.get_head() == pg->info.last_update);
-
- post_event(Activate(logevt.msg->info.last_epoch_started));
- return transit<ReplicaActive>();
+ return false;
}
-boost::statechart::result PG::RecoveryState::Stray::react(const MInfoRec& infoevt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "got info from osd." << infoevt.from << " " << infoevt.info << dendl;
-
- if (pg->info.last_update > infoevt.info.last_update) {
- // rewind divergent log entries
- ObjectStore::Transaction* t = context<RecoveryMachine>().get_cur_transaction();
- pg->rewind_divergent_log(*t, infoevt.info.last_update);
- pg->info.stats = infoevt.info.stats;
- pg->info.hit_set = infoevt.info.hit_set;
+struct FlushState {
+ PGRef pg;
+ epoch_t epoch;
+ FlushState(PG *pg, epoch_t epoch) : pg(pg), epoch(epoch) {}
+ ~FlushState() {
+ std::scoped_lock l{*pg};
+ if (!pg->pg_has_reset_since(epoch)) {
+ pg->recovery_state.complete_flush();
+ }
}
-
- assert(infoevt.info.last_update == pg->info.last_update);
- assert(pg->pg_log.get_head() == pg->info.last_update);
-
- post_event(Activate(infoevt.info.last_epoch_started));
- return transit<ReplicaActive>();
-}
+};
+typedef std::shared_ptr<FlushState> FlushStateRef;
-boost::statechart::result PG::RecoveryState::Stray::react(const MQuery& query)
+void PG::start_flush_on_transaction(ObjectStore::Transaction &t)
{
- PG *pg = context< RecoveryMachine >().pg;
- pg->fulfill_query(query, context<RecoveryMachine>().get_recovery_ctx());
- return discard_event();
+ // flush in progress ops
+ FlushStateRef flush_trigger (std::make_shared<FlushState>(
+ this, get_osdmap_epoch()));
+ t.register_on_applied(new ContainerContext<FlushStateRef>(flush_trigger));
+ t.register_on_commit(new ContainerContext<FlushStateRef>(flush_trigger));
}
-boost::statechart::result PG::RecoveryState::Stray::react(const ActMap&)
+bool PG::try_flush_or_schedule_async()
{
- PG *pg = context< RecoveryMachine >().pg;
- if (pg->should_send_notify() && pg->get_primary().osd >= 0) {
- context< RecoveryMachine >().send_notify(
- pg->get_primary(),
- pg_notify_t(
- pg->get_primary().shard, pg->pg_whoami.shard,
- pg->get_osdmap()->get_epoch(),
- pg->get_osdmap()->get_epoch(),
- pg->info),
- pg->past_intervals);
+ Context *c = new QueuePeeringEvt(
+ this, get_osdmap_epoch(), PeeringState::IntervalFlush());
+ if (!ch->flush_commit(c)) {
+ return false;
+ } else {
+ delete c;
+ return true;
}
- pg->take_waiters();
- return discard_event();
-}
-
-void PG::RecoveryState::Stray::exit()
-{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_stray_latency, dur);
}
-/*--------GetInfo---------*/
-PG::RecoveryState::GetInfo::GetInfo(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Peering/GetInfo")
+ostream& operator<<(ostream& out, const PG& pg)
{
- context< RecoveryMachine >().log_enter(state_name);
-
- PG *pg = context< RecoveryMachine >().pg;
- pg->check_past_interval_bounds();
- PastIntervals::PriorSet &prior_set = context< Peering >().prior_set;
+ out << pg.recovery_state;
- assert(pg->blocked_by.empty());
-
- prior_set = pg->build_prior();
-
- pg->reset_min_peer_features();
- get_infos();
- if (prior_set.pg_down) {
- post_event(IsDown());
- } else if (peer_info_requested.empty()) {
- post_event(GotInfo());
+ // listing all scrub-related flags - both current and "planned next scrub"
+ if (pg.is_scrubbing()) {
+ out << *pg.m_scrubber;
}
-}
+ out << pg.m_planned_scrub;
-void PG::RecoveryState::GetInfo::get_infos()
-{
- PG *pg = context< RecoveryMachine >().pg;
- PastIntervals::PriorSet &prior_set = context< Peering >().prior_set;
-
- pg->blocked_by.clear();
- for (set<pg_shard_t>::const_iterator it = prior_set.probe.begin();
- it != prior_set.probe.end();
- ++it) {
- pg_shard_t peer = *it;
- if (peer == pg->pg_whoami) {
- continue;
+ if (pg.recovery_ops_active)
+ out << " rops=" << pg.recovery_ops_active;
+
+ //out << " (" << pg.pg_log.get_tail() << "," << pg.pg_log.get_head() << "]";
+ if (pg.recovery_state.have_missing()) {
+ out << " m=" << pg.recovery_state.get_num_missing();
+ if (pg.is_primary()) {
+ uint64_t unfound = pg.recovery_state.get_num_unfound();
+ if (unfound)
+ out << " u=" << unfound;
}
- if (pg->peer_info.count(peer)) {
- ldout(pg->cct, 10) << " have osd." << peer << " info " << pg->peer_info[peer] << dendl;
- continue;
+ }
+ if (!pg.is_clean()) {
+ out << " mbc=" << pg.recovery_state.get_missing_by_count();
+ }
+ if (!pg.snap_trimq.empty()) {
+ out << " trimq=";
+ // only show a count if the set is large
+ if (pg.snap_trimq.num_intervals() > 16) {
+ out << pg.snap_trimq.size();
+ if (!pg.snap_trimq_repeat.empty()) {
+ out << "(" << pg.snap_trimq_repeat.size() << ")";
+ }
+ } else {
+ out << pg.snap_trimq;
+ if (!pg.snap_trimq_repeat.empty()) {
+ out << "(" << pg.snap_trimq_repeat << ")";
+ }
}
- if (peer_info_requested.count(peer)) {
- ldout(pg->cct, 10) << " already requested info from osd." << peer << dendl;
- pg->blocked_by.insert(peer.osd);
- } else if (!pg->get_osdmap()->is_up(peer.osd)) {
- ldout(pg->cct, 10) << " not querying info from down osd." << peer << dendl;
+ }
+ if (!pg.recovery_state.get_info().purged_snaps.empty()) {
+ out << " ps="; // snap trim queue / purged snaps
+ if (pg.recovery_state.get_info().purged_snaps.num_intervals() > 16) {
+ out << pg.recovery_state.get_info().purged_snaps.size();
} else {
- ldout(pg->cct, 10) << " querying info from osd." << peer << dendl;
- context< RecoveryMachine >().send_query(
- peer, pg_query_t(pg_query_t::INFO,
- it->shard, pg->pg_whoami.shard,
- pg->info.history,
- pg->get_osdmap()->get_epoch()));
- peer_info_requested.insert(peer);
- pg->blocked_by.insert(peer.osd);
+ out << pg.recovery_state.get_info().purged_snaps;
}
}
- pg->publish_stats_to_osd();
-}
-
-boost::statechart::result PG::RecoveryState::GetInfo::react(const MNotifyRec& infoevt)
-{
- PG *pg = context< RecoveryMachine >().pg;
+ out << "]";
+ return out;
+}
+
+bool PG::can_discard_op(OpRequestRef& op)
+{
+ auto m = op->get_req<MOSDOp>();
+ if (cct->_conf->osd_discard_disconnected_ops && OSD::op_is_discardable(m)) {
+ dout(20) << " discard " << *m << dendl;
+ return true;
+ }
+
+ if (m->get_map_epoch() < info.history.same_primary_since) {
+ dout(7) << " changed after " << m->get_map_epoch()
+ << ", dropping " << *m << dendl;
+ return true;
+ }
- set<pg_shard_t>::iterator p = peer_info_requested.find(infoevt.from);
- if (p != peer_info_requested.end()) {
- peer_info_requested.erase(p);
- pg->blocked_by.erase(infoevt.from.osd);
+ if ((m->get_flags() & (CEPH_OSD_FLAG_BALANCE_READS |
+ CEPH_OSD_FLAG_LOCALIZE_READS)) &&
+ !is_primary() &&
+ m->get_map_epoch() < info.history.same_interval_since) {
+ // Note: the Objecter will resend on interval change without the primary
+ // changing if it actually sent to a replica. If the primary hasn't
+ // changed since the send epoch, we got it, and we're primary, it won't
+ // have resent even if the interval did change as it sent it to the primary
+ // (us).
+ return true;
}
- epoch_t old_start = pg->info.history.last_epoch_started;
- if (pg->proc_replica_info(
- infoevt.from, infoevt.notify.info, infoevt.notify.epoch_sent)) {
- // we got something new ...
- PastIntervals::PriorSet &prior_set = context< Peering >().prior_set;
- if (old_start < pg->info.history.last_epoch_started) {
- ldout(pg->cct, 10) << " last_epoch_started moved forward, rebuilding prior" << dendl;
- prior_set = pg->build_prior();
-
- // filter out any osds that got dropped from the probe set from
- // peer_info_requested. this is less expensive than restarting
- // peering (which would re-probe everyone).
- set<pg_shard_t>::iterator p = peer_info_requested.begin();
- while (p != peer_info_requested.end()) {
- if (prior_set.probe.count(*p) == 0) {
- ldout(pg->cct, 20) << " dropping osd." << *p << " from info_requested, no longer in probe set" << dendl;
- peer_info_requested.erase(p++);
- } else {
- ++p;
- }
+
+ if (m->get_connection()->has_feature(CEPH_FEATURE_RESEND_ON_SPLIT)) {
+ // >= luminous client
+ if (m->get_connection()->has_feature(CEPH_FEATURE_SERVER_NAUTILUS)) {
+ // >= nautilus client
+ if (m->get_map_epoch() < pool.info.get_last_force_op_resend()) {
+ dout(7) << __func__ << " sent before last_force_op_resend "
+ << pool.info.last_force_op_resend
+ << ", dropping" << *m << dendl;
+ return true;
+ }
+ } else {
+ // == < nautilus client (luminous or mimic)
+ if (m->get_map_epoch() < pool.info.get_last_force_op_resend_prenautilus()) {
+ dout(7) << __func__ << " sent before last_force_op_resend_prenautilus "
+ << pool.info.last_force_op_resend_prenautilus
+ << ", dropping" << *m << dendl;
+ return true;
}
- get_infos();
}
- ldout(pg->cct, 20) << "Adding osd: " << infoevt.from.osd << " peer features: "
- << hex << infoevt.features << dec << dendl;
- pg->apply_peer_features(infoevt.features);
-
- // are we done getting everything?
- if (peer_info_requested.empty() && !prior_set.pg_down) {
- ldout(pg->cct, 20) << "Common peer features: " << hex << pg->get_min_peer_features() << dec << dendl;
- ldout(pg->cct, 20) << "Common acting features: " << hex << pg->get_min_acting_features() << dec << dendl;
- ldout(pg->cct, 20) << "Common upacting features: " << hex << pg->get_min_upacting_features() << dec << dendl;
- post_event(GotInfo());
+ if (m->get_map_epoch() < info.history.last_epoch_split) {
+ dout(7) << __func__ << " pg split in "
+ << info.history.last_epoch_split << ", dropping" << dendl;
+ return true;
}
- }
- return discard_event();
-}
-
-boost::statechart::result PG::RecoveryState::GetInfo::react(const QueryState& q)
-{
- PG *pg = context< RecoveryMachine >().pg;
- q.f->open_object_section("state");
- q.f->dump_string("name", state_name);
- q.f->dump_stream("enter_time") << enter_time;
-
- q.f->open_array_section("requested_info_from");
- for (set<pg_shard_t>::iterator p = peer_info_requested.begin();
- p != peer_info_requested.end();
- ++p) {
- q.f->open_object_section("osd");
- q.f->dump_stream("osd") << *p;
- if (pg->peer_info.count(*p)) {
- q.f->open_object_section("got_info");
- pg->peer_info[*p].dump(q.f);
- q.f->close_section();
+ } else if (m->get_connection()->has_feature(CEPH_FEATURE_OSD_POOLRESEND)) {
+ // < luminous client
+ if (m->get_map_epoch() < pool.info.get_last_force_op_resend_preluminous()) {
+ dout(7) << __func__ << " sent before last_force_op_resend_preluminous "
+ << pool.info.last_force_op_resend_preluminous
+ << ", dropping" << *m << dendl;
+ return true;
}
- q.f->close_section();
}
- q.f->close_section();
- q.f->close_section();
- return forward_event();
+ return false;
}
-void PG::RecoveryState::GetInfo::exit()
-{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_getinfo_latency, dur);
- pg->blocked_by.clear();
- pg->publish_stats_to_osd();
-}
-
-/*------GetLog------------*/
-PG::RecoveryState::GetLog::GetLog(my_context ctx)
- : my_base(ctx),
- NamedState(
- context< RecoveryMachine >().pg, "Started/Primary/Peering/GetLog"),
- msg(0)
+template<typename T, int MSGTYPE>
+bool PG::can_discard_replica_op(OpRequestRef& op)
{
- context< RecoveryMachine >().log_enter(state_name);
+ auto m = op->get_req<T>();
+ ceph_assert(m->get_type() == MSGTYPE);
- PG *pg = context< RecoveryMachine >().pg;
+ int from = m->get_source().num();
- // adjust acting?
- if (!pg->choose_acting(auth_log_shard, false,
- &context< Peering >().history_les_bound)) {
- if (!pg->want_acting.empty()) {
- post_event(NeedActingChange());
- } else {
- post_event(IsIncomplete());
- }
- return;
+ // if a repop is replied after a replica goes down in a new osdmap, and
+ // before the pg advances to this new osdmap, the repop replies before this
+ // repop can be discarded by that replica OSD, because the primary resets the
+ // connection to it when handling the new osdmap marking it down, and also
+ // resets the messenger sesssion when the replica reconnects. to avoid the
+ // out-of-order replies, the messages from that replica should be discarded.
+ OSDMapRef next_map = osd->get_next_osdmap();
+ if (next_map->is_down(from)) {
+ dout(20) << " " << __func__ << " dead for nextmap is down " << from << dendl;
+ return true;
+ }
+ /* Mostly, this overlaps with the old_peering_msg
+ * condition. An important exception is pushes
+ * sent by replicas not in the acting set, since
+ * if such a replica goes down it does not cause
+ * a new interval. */
+ if (next_map->get_down_at(from) >= m->map_epoch) {
+ dout(20) << " " << __func__ << " dead for 'get_down_at' " << from << dendl;
+ return true;
}
- // am i the best?
- if (auth_log_shard == pg->pg_whoami) {
- post_event(GotLog());
- return;
+ // same pg?
+ // if pg changes _at all_, we reset and repeer!
+ if (old_peering_msg(m->map_epoch, m->map_epoch)) {
+ dout(10) << "can_discard_replica_op pg changed " << info.history
+ << " after " << m->map_epoch
+ << ", dropping" << dendl;
+ return true;
}
+ return false;
+}
- const pg_info_t& best = pg->peer_info[auth_log_shard];
+bool PG::can_discard_scan(OpRequestRef op)
+{
+ auto m = op->get_req<MOSDPGScan>();
+ ceph_assert(m->get_type() == MSG_OSD_PG_SCAN);
- // am i broken?
- if (pg->info.last_update < best.log_tail) {
- ldout(pg->cct, 10) << " not contiguous with osd." << auth_log_shard << ", down" << dendl;
- post_event(IsIncomplete());
- return;
+ if (old_peering_msg(m->map_epoch, m->query_epoch)) {
+ dout(10) << " got old scan, ignoring" << dendl;
+ return true;
}
+ return false;
+}
- // how much log to request?
- eversion_t request_log_from = pg->info.last_update;
- assert(!pg->actingbackfill.empty());
- for (set<pg_shard_t>::iterator p = pg->actingbackfill.begin();
- p != pg->actingbackfill.end();
- ++p) {
- if (*p == pg->pg_whoami) continue;
- pg_info_t& ri = pg->peer_info[*p];
- if (ri.last_update < pg->info.log_tail && ri.last_update >= best.log_tail &&
- ri.last_update < request_log_from)
- request_log_from = ri.last_update;
+bool PG::can_discard_backfill(OpRequestRef op)
+{
+ auto m = op->get_req<MOSDPGBackfill>();
+ ceph_assert(m->get_type() == MSG_OSD_PG_BACKFILL);
+
+ if (old_peering_msg(m->map_epoch, m->query_epoch)) {
+ dout(10) << " got old backfill, ignoring" << dendl;
+ return true;
}
- // how much?
- ldout(pg->cct, 10) << " requesting log from osd." << auth_log_shard << dendl;
- context<RecoveryMachine>().send_query(
- auth_log_shard,
- pg_query_t(
- pg_query_t::LOG,
- auth_log_shard.shard, pg->pg_whoami.shard,
- request_log_from, pg->info.history,
- pg->get_osdmap()->get_epoch()));
+ return false;
- assert(pg->blocked_by.empty());
- pg->blocked_by.insert(auth_log_shard.osd);
- pg->publish_stats_to_osd();
}
-boost::statechart::result PG::RecoveryState::GetLog::react(const AdvMap& advmap)
+bool PG::can_discard_request(OpRequestRef& op)
{
- PG *pg = context< RecoveryMachine >().pg;
- // make sure our log source didn't go down. we need to check
- // explicitly because it may not be part of the prior set, which
- // means the Peering state check won't catch it going down.
- if (!advmap.osdmap->is_up(auth_log_shard.osd)) {
- ldout(pg->cct, 10) << "GetLog: auth_log_shard osd."
- << auth_log_shard.osd << " went down" << dendl;
- post_event(advmap);
- return transit< Reset >();
- }
+ switch (op->get_req()->get_type()) {
+ case CEPH_MSG_OSD_OP:
+ return can_discard_op(op);
+ case CEPH_MSG_OSD_BACKOFF:
+ return false; // never discard
+ case MSG_OSD_REPOP:
+ return can_discard_replica_op<MOSDRepOp, MSG_OSD_REPOP>(op);
+ case MSG_OSD_PG_PUSH:
+ return can_discard_replica_op<MOSDPGPush, MSG_OSD_PG_PUSH>(op);
+ case MSG_OSD_PG_PULL:
+ return can_discard_replica_op<MOSDPGPull, MSG_OSD_PG_PULL>(op);
+ case MSG_OSD_PG_PUSH_REPLY:
+ return can_discard_replica_op<MOSDPGPushReply, MSG_OSD_PG_PUSH_REPLY>(op);
+ case MSG_OSD_REPOPREPLY:
+ return can_discard_replica_op<MOSDRepOpReply, MSG_OSD_REPOPREPLY>(op);
+ case MSG_OSD_PG_RECOVERY_DELETE:
+ return can_discard_replica_op<MOSDPGRecoveryDelete, MSG_OSD_PG_RECOVERY_DELETE>(op);
- // let the Peering state do its checks.
- return forward_event();
-}
+ case MSG_OSD_PG_RECOVERY_DELETE_REPLY:
+ return can_discard_replica_op<MOSDPGRecoveryDeleteReply, MSG_OSD_PG_RECOVERY_DELETE_REPLY>(op);
-boost::statechart::result PG::RecoveryState::GetLog::react(const MLogRec& logevt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- assert(!msg);
- if (logevt.from != auth_log_shard) {
- ldout(pg->cct, 10) << "GetLog: discarding log from "
- << "non-auth_log_shard osd." << logevt.from << dendl;
- return discard_event();
+ case MSG_OSD_EC_WRITE:
+ return can_discard_replica_op<MOSDECSubOpWrite, MSG_OSD_EC_WRITE>(op);
+ case MSG_OSD_EC_WRITE_REPLY:
+ return can_discard_replica_op<MOSDECSubOpWriteReply, MSG_OSD_EC_WRITE_REPLY>(op);
+ case MSG_OSD_EC_READ:
+ return can_discard_replica_op<MOSDECSubOpRead, MSG_OSD_EC_READ>(op);
+ case MSG_OSD_EC_READ_REPLY:
+ return can_discard_replica_op<MOSDECSubOpReadReply, MSG_OSD_EC_READ_REPLY>(op);
+ case MSG_OSD_REP_SCRUB:
+ return can_discard_replica_op<MOSDRepScrub, MSG_OSD_REP_SCRUB>(op);
+ case MSG_OSD_SCRUB_RESERVE:
+ return can_discard_replica_op<MOSDScrubReserve, MSG_OSD_SCRUB_RESERVE>(op);
+ case MSG_OSD_REP_SCRUBMAP:
+ return can_discard_replica_op<MOSDRepScrubMap, MSG_OSD_REP_SCRUBMAP>(op);
+ case MSG_OSD_PG_UPDATE_LOG_MISSING:
+ return can_discard_replica_op<
+ MOSDPGUpdateLogMissing, MSG_OSD_PG_UPDATE_LOG_MISSING>(op);
+ case MSG_OSD_PG_UPDATE_LOG_MISSING_REPLY:
+ return can_discard_replica_op<
+ MOSDPGUpdateLogMissingReply, MSG_OSD_PG_UPDATE_LOG_MISSING_REPLY>(op);
+
+ case MSG_OSD_PG_SCAN:
+ return can_discard_scan(op);
+ case MSG_OSD_PG_BACKFILL:
+ return can_discard_backfill(op);
+ case MSG_OSD_PG_BACKFILL_REMOVE:
+ return can_discard_replica_op<MOSDPGBackfillRemove,
+ MSG_OSD_PG_BACKFILL_REMOVE>(op);
}
- ldout(pg->cct, 10) << "GetLog: received master log from osd"
- << logevt.from << dendl;
- msg = logevt.msg;
- post_event(GotLog());
- return discard_event();
+ return true;
}
-boost::statechart::result PG::RecoveryState::GetLog::react(const GotLog&)
+void PG::do_peering_event(PGPeeringEventRef evt, PeeringCtx &rctx)
{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "leaving GetLog" << dendl;
- if (msg) {
- ldout(pg->cct, 10) << "processing master log" << dendl;
- pg->proc_master_log(*context<RecoveryMachine>().get_cur_transaction(),
- msg->info, msg->log, msg->missing,
- auth_log_shard);
+ dout(10) << __func__ << ": " << evt->get_desc() << dendl;
+ ceph_assert(have_same_or_newer_map(evt->get_epoch_sent()));
+ if (old_peering_evt(evt)) {
+ dout(10) << "discard old " << evt->get_desc() << dendl;
+ } else {
+ recovery_state.handle_event(evt, &rctx);
}
- pg->start_flush(
- context< RecoveryMachine >().get_cur_transaction(),
- context< RecoveryMachine >().get_on_applied_context_list(),
- context< RecoveryMachine >().get_on_safe_context_list());
- return transit< GetMissing >();
+ // write_if_dirty regardless of path above to ensure we capture any work
+ // done by OSD::advance_pg().
+ write_if_dirty(rctx.transaction);
}
-boost::statechart::result PG::RecoveryState::GetLog::react(const QueryState& q)
+void PG::queue_peering_event(PGPeeringEventRef evt)
{
- q.f->open_object_section("state");
- q.f->dump_string("name", state_name);
- q.f->dump_stream("enter_time") << enter_time;
- q.f->dump_stream("auth_log_shard") << auth_log_shard;
- q.f->close_section();
- return forward_event();
+ if (old_peering_evt(evt))
+ return;
+ osd->osd->enqueue_peering_evt(info.pgid, evt);
}
-void PG::RecoveryState::GetLog::exit()
-{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_getlog_latency, dur);
- pg->blocked_by.clear();
- pg->publish_stats_to_osd();
-}
-
-/*------WaitActingChange--------*/
-PG::RecoveryState::WaitActingChange::WaitActingChange(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Peering/WaitActingChange")
+void PG::queue_null(epoch_t msg_epoch,
+ epoch_t query_epoch)
{
- context< RecoveryMachine >().log_enter(state_name);
+ dout(10) << "null" << dendl;
+ queue_peering_event(
+ PGPeeringEventRef(std::make_shared<PGPeeringEvent>(msg_epoch, query_epoch,
+ NullEvt())));
}
-boost::statechart::result PG::RecoveryState::WaitActingChange::react(const AdvMap& advmap)
+void PG::find_unfound(epoch_t queued, PeeringCtx &rctx)
{
- PG *pg = context< RecoveryMachine >().pg;
- OSDMapRef osdmap = advmap.osdmap;
-
- ldout(pg->cct, 10) << "verifying no want_acting " << pg->want_acting << " targets didn't go down" << dendl;
- for (vector<int>::iterator p = pg->want_acting.begin(); p != pg->want_acting.end(); ++p) {
- if (!osdmap->is_up(*p)) {
- ldout(pg->cct, 10) << " want_acting target osd." << *p << " went down, resetting" << dendl;
- post_event(advmap);
- return transit< Reset >();
+ /*
+ * if we couldn't start any recovery ops and things are still
+ * unfound, see if we can discover more missing object locations.
+ * It may be that our initial locations were bad and we errored
+ * out while trying to pull.
+ */
+ if (!recovery_state.discover_all_missing(rctx)) {
+ string action;
+ if (state_test(PG_STATE_BACKFILLING)) {
+ auto evt = PGPeeringEventRef(
+ new PGPeeringEvent(
+ queued,
+ queued,
+ PeeringState::UnfoundBackfill()));
+ queue_peering_event(evt);
+ action = "in backfill";
+ } else if (state_test(PG_STATE_RECOVERING)) {
+ auto evt = PGPeeringEventRef(
+ new PGPeeringEvent(
+ queued,
+ queued,
+ PeeringState::UnfoundRecovery()));
+ queue_peering_event(evt);
+ action = "in recovery";
+ } else {
+ action = "already out of recovery/backfill";
}
+ dout(10) << __func__ << ": no luck, giving up on this pg for now (" << action << ")" << dendl;
+ } else {
+ dout(10) << __func__ << ": no luck, giving up on this pg for now (queue_recovery)" << dendl;
+ queue_recovery();
}
- return forward_event();
-}
-
-boost::statechart::result PG::RecoveryState::WaitActingChange::react(const MLogRec& logevt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "In WaitActingChange, ignoring MLocRec" << dendl;
- return discard_event();
}
-boost::statechart::result PG::RecoveryState::WaitActingChange::react(const MInfoRec& evt)
+void PG::handle_advance_map(
+ OSDMapRef osdmap, OSDMapRef lastmap,
+ vector<int>& newup, int up_primary,
+ vector<int>& newacting, int acting_primary,
+ PeeringCtx &rctx)
{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "In WaitActingChange, ignoring MInfoRec" << dendl;
- return discard_event();
+ dout(10) << __func__ << ": " << osdmap->get_epoch() << dendl;
+ osd_shard->update_pg_epoch(pg_slot, osdmap->get_epoch());
+ recovery_state.advance_map(
+ osdmap,
+ lastmap,
+ newup,
+ up_primary,
+ newacting,
+ acting_primary,
+ rctx);
}
-boost::statechart::result PG::RecoveryState::WaitActingChange::react(const MNotifyRec& evt)
+void PG::handle_activate_map(PeeringCtx &rctx)
{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "In WaitActingChange, ignoring MNotifyRec" << dendl;
- return discard_event();
-}
+ dout(10) << __func__ << ": " << get_osdmap()->get_epoch()
+ << dendl;
+ recovery_state.activate_map(rctx);
-boost::statechart::result PG::RecoveryState::WaitActingChange::react(const QueryState& q)
-{
- q.f->open_object_section("state");
- q.f->dump_string("name", state_name);
- q.f->dump_stream("enter_time") << enter_time;
- q.f->dump_string("comment", "waiting for pg acting set to change");
- q.f->close_section();
- return forward_event();
+ requeue_map_waiters();
}
-void PG::RecoveryState::WaitActingChange::exit()
+void PG::handle_initialize(PeeringCtx &rctx)
{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_waitactingchange_latency, dur);
+ dout(10) << __func__ << dendl;
+ PeeringState::Initialize evt;
+ recovery_state.handle_event(evt, &rctx);
}
-/*------Down--------*/
-PG::RecoveryState::Down::Down(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Peering/Down")
-{
- context< RecoveryMachine >().log_enter(state_name);
- PG *pg = context< RecoveryMachine >().pg;
-
- pg->state_clear(PG_STATE_PEERING);
- pg->state_set(PG_STATE_DOWN);
-
- auto &prior_set = context< Peering >().prior_set;
- assert(pg->blocked_by.empty());
- pg->blocked_by.insert(prior_set.down.begin(), prior_set.down.end());
- pg->publish_stats_to_osd();
-}
-void PG::RecoveryState::Down::exit()
+void PG::handle_query_state(Formatter *f)
{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
-
- pg->state_clear(PG_STATE_DOWN);
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_down_latency, dur);
-
- pg->blocked_by.clear();
- pg->publish_stats_to_osd();
+ dout(10) << "handle_query_state" << dendl;
+ PeeringState::QueryState q(f);
+ recovery_state.handle_event(q, 0);
}
-boost::statechart::result PG::RecoveryState::Down::react(const QueryState& q)
-{
- q.f->open_object_section("state");
- q.f->dump_string("name", state_name);
- q.f->dump_stream("enter_time") << enter_time;
- q.f->dump_string("comment",
- "not enough up instances of this PG to go active");
- q.f->close_section();
- return forward_event();
-}
-
-/*------Incomplete--------*/
-PG::RecoveryState::Incomplete::Incomplete(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Peering/Incomplete")
+void PG::init_collection_pool_opts()
{
- context< RecoveryMachine >().log_enter(state_name);
- PG *pg = context< RecoveryMachine >().pg;
-
- pg->state_clear(PG_STATE_PEERING);
- pg->state_set(PG_STATE_INCOMPLETE);
-
- PastIntervals::PriorSet &prior_set = context< Peering >().prior_set;
- assert(pg->blocked_by.empty());
- pg->blocked_by.insert(prior_set.down.begin(), prior_set.down.end());
- pg->publish_stats_to_osd();
-}
-
-boost::statechart::result PG::RecoveryState::Incomplete::react(const AdvMap &advmap) {
- PG *pg = context< RecoveryMachine >().pg;
- int64_t poolnum = pg->info.pgid.pool();
-
- // Reset if min_size turn smaller than previous value, pg might now be able to go active
- if (!advmap.osdmap->have_pg_pool(poolnum) ||
- advmap.lastmap->get_pools().find(poolnum)->second.min_size >
- advmap.osdmap->get_pools().find(poolnum)->second.min_size) {
- post_event(advmap);
- return transit< Reset >();
- }
-
- return forward_event();
-}
-
-boost::statechart::result PG::RecoveryState::Incomplete::react(const MNotifyRec& notevt) {
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 7) << "handle_pg_notify from osd." << notevt.from << dendl;
- if (pg->proc_replica_info(
- notevt.from, notevt.notify.info, notevt.notify.epoch_sent)) {
- // We got something new, try again!
- return transit< GetLog >();
- } else {
- return discard_event();
+ auto r = osd->store->set_collection_opts(ch, pool.info.opts);
+ if (r < 0 && r != -EOPNOTSUPP) {
+ derr << __func__ << " set_collection_opts returns error:" << r << dendl;
}
}
-boost::statechart::result PG::RecoveryState::Incomplete::react(
- const QueryState& q)
+void PG::on_pool_change()
{
- q.f->open_object_section("state");
- q.f->dump_string("name", state_name);
- q.f->dump_stream("enter_time") << enter_time;
- q.f->dump_string("comment", "not enough complete instances of this PG");
- q.f->close_section();
- return forward_event();
+ init_collection_pool_opts();
+ plpg_on_pool_change();
}
-void PG::RecoveryState::Incomplete::exit()
-{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
-
- pg->state_clear(PG_STATE_INCOMPLETE);
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_incomplete_latency, dur);
-
- pg->blocked_by.clear();
- pg->publish_stats_to_osd();
+void PG::C_DeleteMore::complete(int r) {
+ ceph_assert(r == 0);
+ pg->lock();
+ if (!pg->pg_has_reset_since(epoch)) {
+ pg->osd->queue_for_pg_delete(pg->get_pgid(), epoch);
+ }
+ pg->unlock();
+ delete this;
}
-/*------GetMissing--------*/
-PG::RecoveryState::GetMissing::GetMissing(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Peering/GetMissing")
+std::pair<ghobject_t, bool> PG::do_delete_work(
+ ObjectStore::Transaction &t,
+ ghobject_t _next)
{
- context< RecoveryMachine >().log_enter(state_name);
+ dout(10) << __func__ << dendl;
- PG *pg = context< RecoveryMachine >().pg;
- assert(!pg->actingbackfill.empty());
- eversion_t since;
- for (set<pg_shard_t>::iterator i = pg->actingbackfill.begin();
- i != pg->actingbackfill.end();
- ++i) {
- if (*i == pg->get_primary()) continue;
- const pg_info_t& pi = pg->peer_info[*i];
- // reset this so to make sure the pg_missing_t is initialized and
- // has the correct semantics even if we don't need to get a
- // missing set from a shard. This way later additions due to
- // lost+unfound delete work properly.
- pg->peer_missing[*i].may_include_deletes = !pg->perform_deletes_during_peering();
-
- if (pi.is_empty())
- continue; // no pg data, nothing divergent
-
- if (pi.last_update < pg->pg_log.get_tail()) {
- ldout(pg->cct, 10) << " osd." << *i << " is not contiguous, will restart backfill" << dendl;
- pg->peer_missing[*i].clear();
- continue;
- }
- if (pi.last_backfill == hobject_t()) {
- ldout(pg->cct, 10) << " osd." << *i << " will fully backfill; can infer empty missing set" << dendl;
- pg->peer_missing[*i].clear();
- continue;
+ {
+ float osd_delete_sleep = osd->osd->get_osd_delete_sleep();
+ if (osd_delete_sleep > 0 && delete_needs_sleep) {
+ epoch_t e = get_osdmap()->get_epoch();
+ PGRef pgref(this);
+ auto delete_requeue_callback = new LambdaContext([this, pgref, e](int r) {
+ dout(20) << "do_delete_work() [cb] wake up at "
+ << ceph_clock_now()
+ << ", re-queuing delete" << dendl;
+ std::scoped_lock locker{*this};
+ delete_needs_sleep = false;
+ if (!pg_has_reset_since(e)) {
+ osd->queue_for_pg_delete(get_pgid(), e);
+ }
+ });
+
+ auto delete_schedule_time = ceph::real_clock::now();
+ delete_schedule_time += ceph::make_timespan(osd_delete_sleep);
+ std::lock_guard l{osd->sleep_lock};
+ osd->sleep_timer.add_event_at(delete_schedule_time,
+ delete_requeue_callback);
+ dout(20) << __func__ << " Delete scheduled at " << delete_schedule_time << dendl;
+ return std::make_pair(_next, true);
+ }
+ }
+
+ delete_needs_sleep = true;
+
+ ghobject_t next;
+
+ vector<ghobject_t> olist;
+ int max = std::min(osd->store->get_ideal_list_max(),
+ (int)cct->_conf->osd_target_transaction_size);
+
+ osd->store->collection_list(
+ ch,
+ _next,
+ ghobject_t::get_max(),
+ max,
+ &olist,
+ &next);
+ dout(20) << __func__ << " " << olist << dendl;
+
+ // make sure we've removed everything
+ // by one more listing from the beginning
+ if (_next != ghobject_t() && olist.empty()) {
+ next = ghobject_t();
+ osd->store->collection_list(
+ ch,
+ next,
+ ghobject_t::get_max(),
+ max,
+ &olist,
+ &next);
+ for (auto& oid : olist) {
+ if (oid == pgmeta_oid) {
+ dout(20) << __func__ << " removing pgmeta object " << oid << dendl;
+ } else {
+ dout(0) << __func__ << " additional unexpected onode"
+ <<" new onode has appeared since PG removal started"
+ << oid << dendl;
+ }
}
+ }
- if (pi.last_update == pi.last_complete && // peer has no missing
- pi.last_update == pg->info.last_update) { // peer is up to date
- // replica has no missing and identical log as us. no need to
- // pull anything.
- // FIXME: we can do better here. if last_update==last_complete we
- // can infer the rest!
- ldout(pg->cct, 10) << " osd." << *i << " has no missing, identical log" << dendl;
- pg->peer_missing[*i].clear();
+ OSDriver::OSTransaction _t(osdriver.get_transaction(&t));
+ int64_t num = 0;
+ for (auto& oid : olist) {
+ if (oid == pgmeta_oid) {
continue;
}
-
- // We pull the log from the peer's last_epoch_started to ensure we
- // get enough log to detect divergent updates.
- since.epoch = pi.last_epoch_started;
- assert(pi.last_update >= pg->info.log_tail); // or else choose_acting() did a bad thing
- if (pi.log_tail <= since) {
- ldout(pg->cct, 10) << " requesting log+missing since " << since << " from osd." << *i << dendl;
- context< RecoveryMachine >().send_query(
- *i,
- pg_query_t(
- pg_query_t::LOG,
- i->shard, pg->pg_whoami.shard,
- since, pg->info.history,
- pg->get_osdmap()->get_epoch()));
- } else {
- ldout(pg->cct, 10) << " requesting fulllog+missing from osd." << *i
- << " (want since " << since << " < log.tail "
- << pi.log_tail << ")" << dendl;
- context< RecoveryMachine >().send_query(
- *i, pg_query_t(
- pg_query_t::FULLLOG,
- i->shard, pg->pg_whoami.shard,
- pg->info.history, pg->get_osdmap()->get_epoch()));
+ if (oid.is_pgmeta()) {
+ osd->clog->warn() << info.pgid << " found stray pgmeta-like " << oid
+ << " during PG removal";
}
- peer_missing_requested.insert(*i);
- pg->blocked_by.insert(i->osd);
- }
-
- if (peer_missing_requested.empty()) {
- if (pg->need_up_thru) {
- ldout(pg->cct, 10) << " still need up_thru update before going active"
- << dendl;
- post_event(NeedUpThru());
- return;
+ int r = snap_mapper.remove_oid(oid.hobj, &_t);
+ if (r != 0 && r != -ENOENT) {
+ ceph_abort();
}
-
- // all good!
- post_event(Activate(pg->get_osdmap()->get_epoch()));
- } else {
- pg->publish_stats_to_osd();
+ t.remove(coll, oid);
+ ++num;
}
-}
+ bool running = true;
+ if (num) {
+ dout(20) << __func__ << " deleting " << num << " objects" << dendl;
+ Context *fin = new C_DeleteMore(this, get_osdmap_epoch());
+ t.register_on_commit(fin);
+ } else {
+ if (cct->_conf->osd_inject_failure_on_pg_removal) {
+ _exit(1);
+ }
-boost::statechart::result PG::RecoveryState::GetMissing::react(const MLogRec& logevt)
-{
- PG *pg = context< RecoveryMachine >().pg;
-
- peer_missing_requested.erase(logevt.from);
- pg->proc_replica_log(logevt.msg->info, logevt.msg->log, logevt.msg->missing, logevt.from);
-
- if (peer_missing_requested.empty()) {
- if (pg->need_up_thru) {
- ldout(pg->cct, 10) << " still need up_thru update before going active"
- << dendl;
- post_event(NeedUpThru());
+ // final flush here to ensure completions drop refs. Of particular concern
+ // are the SnapMapper ContainerContexts.
+ {
+ PGRef pgref(this);
+ PGLog::clear_info_log(info.pgid, &t);
+ t.remove_collection(coll);
+ t.register_on_commit(new ContainerContext<PGRef>(pgref));
+ t.register_on_applied(new ContainerContext<PGRef>(pgref));
+ osd->store->queue_transaction(ch, std::move(t));
+ }
+ ch->flush();
+
+ if (!osd->try_finish_pg_delete(this, pool.info.get_pg_num())) {
+ dout(1) << __func__ << " raced with merge, reinstantiating" << dendl;
+ ch = osd->store->create_new_collection(coll);
+ create_pg_collection(t,
+ info.pgid,
+ info.pgid.get_split_bits(pool.info.get_pg_num()));
+ init_pg_ondisk(t, info.pgid, &pool.info);
+ recovery_state.reset_last_persisted();
} else {
- ldout(pg->cct, 10) << "Got last missing, don't need missing "
- << "posting Activate" << dendl;
- post_event(Activate(pg->get_osdmap()->get_epoch()));
- }
- }
- return discard_event();
-}
+ recovery_state.set_delete_complete();
-boost::statechart::result PG::RecoveryState::GetMissing::react(const QueryState& q)
-{
- PG *pg = context< RecoveryMachine >().pg;
- q.f->open_object_section("state");
- q.f->dump_string("name", state_name);
- q.f->dump_stream("enter_time") << enter_time;
-
- q.f->open_array_section("peer_missing_requested");
- for (set<pg_shard_t>::iterator p = peer_missing_requested.begin();
- p != peer_missing_requested.end();
- ++p) {
- q.f->open_object_section("osd");
- q.f->dump_stream("osd") << *p;
- if (pg->peer_missing.count(*p)) {
- q.f->open_object_section("got_missing");
- pg->peer_missing[*p].dump(q.f);
- q.f->close_section();
+ // cancel reserver here, since the PG is about to get deleted and the
+ // exit() methods don't run when that happens.
+ osd->local_reserver.cancel_reservation(info.pgid);
+
+ running = false;
}
- q.f->close_section();
}
- q.f->close_section();
-
- q.f->close_section();
- return forward_event();
-}
-
-void PG::RecoveryState::GetMissing::exit()
-{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_getmissing_latency, dur);
- pg->blocked_by.clear();
- pg->publish_stats_to_osd();
-}
-
-/*------WaitUpThru--------*/
-PG::RecoveryState::WaitUpThru::WaitUpThru(my_context ctx)
- : my_base(ctx),
- NamedState(context< RecoveryMachine >().pg, "Started/Primary/Peering/WaitUpThru")
-{
- context< RecoveryMachine >().log_enter(state_name);
+ return {next, running};
}
-boost::statechart::result PG::RecoveryState::WaitUpThru::react(const ActMap& am)
+int PG::pg_stat_adjust(osd_stat_t *ns)
{
- PG *pg = context< RecoveryMachine >().pg;
- if (!pg->need_up_thru) {
- post_event(Activate(pg->get_osdmap()->get_epoch()));
+ osd_stat_t &new_stat = *ns;
+ if (is_primary()) {
+ return 0;
}
- return forward_event();
-}
-
-boost::statechart::result PG::RecoveryState::WaitUpThru::react(const MLogRec& logevt)
-{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 10) << "Noting missing from osd." << logevt.from << dendl;
- pg->peer_missing[logevt.from].claim(logevt.msg->missing);
- pg->peer_info[logevt.from] = logevt.msg->info;
- return discard_event();
+ // Adjust the kb_used by adding pending backfill data
+ uint64_t reserved_num_bytes = get_reserved_num_bytes();
+
+ // For now we don't consider projected space gains here
+ // I suggest we have an optional 2 pass backfill that frees up
+ // space in a first pass. This could be triggered when at nearfull
+ // or near to backfillfull.
+ if (reserved_num_bytes > 0) {
+ // TODO: Handle compression by adjusting by the PGs average
+ // compression precentage.
+ dout(20) << __func__ << " reserved_num_bytes " << (reserved_num_bytes >> 10) << "KiB"
+ << " Before kb_used " << new_stat.statfs.kb_used() << "KiB" << dendl;
+ if (new_stat.statfs.available > reserved_num_bytes)
+ new_stat.statfs.available -= reserved_num_bytes;
+ else
+ new_stat.statfs.available = 0;
+ dout(20) << __func__ << " After kb_used " << new_stat.statfs.kb_used() << "KiB" << dendl;
+ return 1;
+ }
+ return 0;
}
-boost::statechart::result PG::RecoveryState::WaitUpThru::react(const QueryState& q)
+void PG::dump_pgstate_history(Formatter *f)
{
- q.f->open_object_section("state");
- q.f->dump_string("name", state_name);
- q.f->dump_stream("enter_time") << enter_time;
- q.f->dump_string("comment", "waiting for osdmap to reflect a new up_thru for this osd");
- q.f->close_section();
- return forward_event();
+ std::scoped_lock l{*this};
+ recovery_state.dump_history(f);
}
-void PG::RecoveryState::WaitUpThru::exit()
+void PG::dump_missing(Formatter *f)
{
- context< RecoveryMachine >().log_exit(state_name, enter_time);
- PG *pg = context< RecoveryMachine >().pg;
- utime_t dur = ceph_clock_now() - enter_time;
- pg->osd->recoverystate_perf->tinc(rs_waitupthru_latency, dur);
+ for (auto& i : recovery_state.get_pg_log().get_missing().get_items()) {
+ f->open_object_section("object");
+ f->dump_object("oid", i.first);
+ f->dump_object("missing_info", i.second);
+ if (recovery_state.get_missing_loc().needs_recovery(i.first)) {
+ f->dump_bool(
+ "unfound",
+ recovery_state.get_missing_loc().is_unfound(i.first));
+ f->open_array_section("locations");
+ for (auto l : recovery_state.get_missing_loc().get_locations(i.first)) {
+ f->dump_object("shard", l);
+ }
+ f->close_section();
+ }
+ f->close_section();
+ }
}
-/*----RecoveryState::RecoveryMachine Methods-----*/
-#undef dout_prefix
-#define dout_prefix *_dout << pg->gen_prefix()
-
-void PG::RecoveryState::RecoveryMachine::log_enter(const char *state_name)
+void PG::with_pg_stats(std::function<void(const pg_stat_t&, epoch_t lec)>&& f)
{
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 5) << "enter " << state_name << dendl;
- pg->osd->pg_recovery_stats.log_enter(state_name);
+ std::lock_guard l{pg_stats_publish_lock};
+ if (pg_stats_publish) {
+ f(*pg_stats_publish, pg_stats_publish->get_effective_last_epoch_clean());
+ }
}
-void PG::RecoveryState::RecoveryMachine::log_exit(const char *state_name, utime_t enter_time)
+void PG::with_heartbeat_peers(std::function<void(int)>&& f)
{
- utime_t dur = ceph_clock_now() - enter_time;
- PG *pg = context< RecoveryMachine >().pg;
- ldout(pg->cct, 5) << "exit " << state_name << " " << dur << " " << event_count << " " << event_time << dendl;
- pg->osd->pg_recovery_stats.log_exit(state_name, ceph_clock_now() - enter_time,
- event_count, event_time);
- event_count = 0;
- event_time = utime_t();
-}
-
-
-/*---------------------------------------------------*/
-#undef dout_prefix
-#define dout_prefix (*_dout << (debug_pg ? debug_pg->gen_prefix() : string()) << " PriorSet: ")
-
-void PG::RecoveryState::start_handle(RecoveryCtx *new_ctx) {
- assert(!rctx);
- assert(!orig_ctx);
- orig_ctx = new_ctx;
- if (new_ctx) {
- if (messages_pending_flush) {
- rctx = RecoveryCtx(*messages_pending_flush, *new_ctx);
- } else {
- rctx = *new_ctx;
- }
- rctx->start_time = ceph_clock_now();
+ std::lock_guard l{heartbeat_peer_lock};
+ for (auto p : heartbeat_peers) {
+ f(p);
}
-}
-
-void PG::RecoveryState::begin_block_outgoing() {
- assert(!messages_pending_flush);
- assert(orig_ctx);
- assert(rctx);
- messages_pending_flush = BufferedRecoveryMessages();
- rctx = RecoveryCtx(*messages_pending_flush, *orig_ctx);
-}
-
-void PG::RecoveryState::clear_blocked_outgoing() {
- assert(orig_ctx);
- assert(rctx);
- messages_pending_flush = boost::optional<BufferedRecoveryMessages>();
-}
-
-void PG::RecoveryState::end_block_outgoing() {
- assert(messages_pending_flush);
- assert(orig_ctx);
- assert(rctx);
-
- rctx = RecoveryCtx(*orig_ctx);
- rctx->accept_buffered_messages(*messages_pending_flush);
- messages_pending_flush = boost::optional<BufferedRecoveryMessages>();
-}
-
-void PG::RecoveryState::end_handle() {
- if (rctx) {
- utime_t dur = ceph_clock_now() - rctx->start_time;
- machine.event_time += dur;
+ for (auto p : probe_targets) {
+ f(p);
}
-
- machine.event_count++;
- rctx = boost::optional<RecoveryCtx>();
- orig_ctx = NULL;
}
-ostream& operator<<(ostream& out, const PG::BackfillInterval& bi)
-{
- out << "BackfillInfo(" << bi.begin << "-" << bi.end
- << " " << bi.objects.size() << " objects";
- if (!bi.objects.empty())
- out << " " << bi.objects;
- out << ")";
- return out;
+uint64_t PG::get_min_alloc_size() const {
+ return osd->store->get_min_alloc_size();
}
-
-void intrusive_ptr_add_ref(PG *pg) { pg->get("intptr"); }
-void intrusive_ptr_release(PG *pg) { pg->put("intptr"); }
-
-#ifdef PG_DEBUG_REFS
- uint64_t get_with_id(PG *pg) { return pg->get_with_id(); }
- void put_with_id(PG *pg, uint64_t id) { return pg->put_with_id(id); }
-#endif
projects / ceph.git / blobdiff