]> git.proxmox.com Git - ceph.git/blobdiff - ceph/src/test/objectstore/test_bluefs.cc
import ceph quincy 17.2.6
[ceph.git] / ceph / src / test / objectstore / test_bluefs.cc
index 394a8e9862aa92606b928169f3c9c98b09db577e..e3e154df841f67d3aa3366c14508d29d7b0038ef 100644 (file)
 #include <random>
 #include <thread>
 #include <stack>
+#include <gtest/gtest.h>
 #include "global/global_init.h"
 #include "common/ceph_argparse.h"
 #include "include/stringify.h"
 #include "include/scope_guard.h"
 #include "common/errno.h"
-#include <gtest/gtest.h>
 
+#include "os/bluestore/Allocator.h"
 #include "os/bluestore/BlueFS.h"
 
+using namespace std;
+
 std::unique_ptr<char[]> gen_buffer(uint64_t size)
 {
     std::unique_ptr<char[]> buffer = std::make_unique<char[]>(size);
@@ -232,7 +235,7 @@ TEST(BlueFS, very_large_write) {
     delete h;
     ASSERT_EQ(0, fs.open_for_read("dir", "bigfile", &h));
     ASSERT_EQ(h->file->fnode.size, total_written);
-    unique_ptr<char> huge_buf(new char[h->file->fnode.size]);
+    auto huge_buf = std::make_unique<char[]>(h->file->fnode.size);
     auto l = h->file->fnode.size;
     int64_t r = fs.read(h, 0, l, NULL, huge_buf.get());
     ASSERT_EQ(r, l);
@@ -616,6 +619,9 @@ TEST(BlueFS, test_compaction_sync) {
   g_ceph_context->_conf.set_val(
     "bluefs_compact_log_sync",
     "true");
+  const char* canary_dir = "dir.after_compact_test";
+  const char* canary_file = "file.after_compact_test";
+  const char* canary_data = "some random data";
 
   BlueFS fs(g_ceph_context);
   ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false, 1048576));
@@ -640,6 +646,30 @@ TEST(BlueFS, test_compaction_sync) {
     writes_done = true;
     join_all(sync_threads);
     fs.compact_log();
+
+    {
+      ASSERT_EQ(0, fs.mkdir(canary_dir));
+      BlueFS::FileWriter *h;
+      ASSERT_EQ(0, fs.open_for_write(canary_dir, canary_file, &h, false));
+      ASSERT_NE(nullptr, h);
+      auto sg = make_scope_guard([&fs, h] { fs.close_writer(h); });
+      h->append(canary_data, strlen(canary_data));
+      int r = fs.fsync(h);
+      ASSERT_EQ(r, 0);
+    }
+  }
+  fs.umount();
+
+  fs.mount();
+  {
+    BlueFS::FileReader *h;
+    ASSERT_EQ(0, fs.open_for_read(canary_dir, canary_file, &h));
+    ASSERT_NE(nullptr, h);
+    bufferlist bl;
+    ASSERT_EQ(strlen(canary_data), fs.read(h, 0, 1024, &bl, NULL));
+    std::cout << bl.c_str() << std::endl;
+    ASSERT_EQ(0, strncmp(canary_data, bl.c_str(), strlen(canary_data)));
+    delete h;
   }
   fs.umount();
 }
@@ -653,6 +683,9 @@ TEST(BlueFS, test_compaction_async) {
   g_ceph_context->_conf.set_val(
     "bluefs_compact_log_sync",
     "false");
+  const char* canary_dir = "dir.after_compact_test";
+  const char* canary_file = "file.after_compact_test";
+  const char* canary_data = "some random data";
 
   BlueFS fs(g_ceph_context);
   ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false, 1048576));
@@ -677,6 +710,30 @@ TEST(BlueFS, test_compaction_async) {
     writes_done = true;
     join_all(sync_threads);
     fs.compact_log();
+
+    {
+      ASSERT_EQ(0, fs.mkdir(canary_dir));
+      BlueFS::FileWriter *h;
+      ASSERT_EQ(0, fs.open_for_write(canary_dir, canary_file, &h, false));
+      ASSERT_NE(nullptr, h);
+      auto sg = make_scope_guard([&fs, h] { fs.close_writer(h); });
+      h->append(canary_data, strlen(canary_data));
+      int r = fs.fsync(h);
+      ASSERT_EQ(r, 0);
+    }
+  }
+  fs.umount();
+
+  fs.mount();
+  {
+    BlueFS::FileReader *h;
+    ASSERT_EQ(0, fs.open_for_read(canary_dir, canary_file, &h));
+    ASSERT_NE(nullptr, h);
+    bufferlist bl;
+    ASSERT_EQ(strlen(canary_data), fs.read(h, 0, 1024, &bl, NULL));
+    std::cout << bl.c_str() << std::endl;
+    ASSERT_EQ(0, strncmp(canary_data, bl.c_str(), strlen(canary_data)));
+    delete h;
   }
   fs.umount();
 }
@@ -760,10 +817,424 @@ TEST(BlueFS, test_replay_growth) {
   fs.umount();
 }
 
-int main(int argc, char **argv) {
-  vector<const char*> args;
-  argv_to_vec(argc, (const char **)argv, args);
+TEST(BlueFS, test_tracker_50965) {
+  uint64_t size_wal = 1048576 * 64;
+  TempBdev bdev_wal{size_wal};
+  uint64_t size_db = 1048576 * 128;
+  TempBdev bdev_db{size_db};
+  uint64_t size_slow = 1048576 * 256;
+  TempBdev bdev_slow{size_slow};
+
+  ConfSaver conf(g_ceph_context->_conf);
+  conf.SetVal("bluefs_min_flush_size", "65536");
+  conf.ApplyChanges();
+
+  BlueFS fs(g_ceph_context);
+  ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_WAL,  bdev_wal.path,  false, 0));
+  ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB,   bdev_db.path,   false, 0));
+  ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_SLOW, bdev_slow.path, false, 0));
+  uuid_d fsid;
+  ASSERT_EQ(0, fs.mkfs(fsid, { BlueFS::BDEV_DB, true, true }));
+  ASSERT_EQ(0, fs.mount());
+  ASSERT_EQ(0, fs.maybe_verify_layout({ BlueFS::BDEV_DB, true, true }));
+
+  string dir_slow = "dir.slow";
+  ASSERT_EQ(0, fs.mkdir(dir_slow));
+  string dir_db = "dir_db";
+  ASSERT_EQ(0, fs.mkdir(dir_db));
+
+  string file_slow = "file";
+  BlueFS::FileWriter *h_slow;
+  ASSERT_EQ(0, fs.open_for_write(dir_slow, file_slow, &h_slow, false));
+  ASSERT_NE(nullptr, h_slow);
+
+  string file_db = "file";
+  BlueFS::FileWriter *h_db;
+  ASSERT_EQ(0, fs.open_for_write(dir_db, file_db, &h_db, false));
+  ASSERT_NE(nullptr, h_db);
+
+  bufferlist bl1;
+  std::unique_ptr<char[]> buf1 = gen_buffer(70000);
+  bufferptr bp1 = buffer::claim_char(70000, buf1.get());
+  bl1.push_back(bp1);
+  h_slow->append(bl1.c_str(), bl1.length());
+  fs.flush(h_slow);
+
+  uint64_t h_slow_dirty_seq_1 = fs.debug_get_dirty_seq(h_slow);
+
+  bufferlist bl2;
+  std::unique_ptr<char[]> buf2 = gen_buffer(1000);
+  bufferptr bp2 = buffer::claim_char(1000, buf2.get());
+  bl2.push_back(bp2);
+  h_db->append(bl2.c_str(), bl2.length());
+  fs.fsync(h_db);
+
+  uint64_t h_slow_dirty_seq_2 = fs.debug_get_dirty_seq(h_slow);
+  bool h_slow_dev_dirty = fs.debug_get_is_dev_dirty(h_slow, BlueFS::BDEV_SLOW);
+
+  //problem if allocations are stable in log but slow device is not flushed yet
+  ASSERT_FALSE(h_slow_dirty_seq_1 != 0 &&
+              h_slow_dirty_seq_2 == 0 &&
+              h_slow_dev_dirty == true);
+
+  fs.close_writer(h_slow);
+  fs.close_writer(h_db);
+
+  fs.umount();
+}
+
+TEST(BlueFS, test_truncate_stable_53129) {
+
+  ConfSaver conf(g_ceph_context->_conf);
+  conf.SetVal("bluefs_min_flush_size", "65536");
+  conf.ApplyChanges();
+
+  uint64_t size_wal = 1048576 * 64;
+  TempBdev bdev_wal{size_wal};
+  uint64_t size_db = 1048576 * 128;
+  TempBdev bdev_db{size_db};
+  uint64_t size_slow = 1048576 * 256;
+  TempBdev bdev_slow{size_slow};
+
+  BlueFS fs(g_ceph_context);
+  ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_WAL,  bdev_wal.path,  false, 0));
+  ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB,   bdev_db.path,   false, 0));
+  ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_SLOW, bdev_slow.path, false, 0));
+  uuid_d fsid;
+  ASSERT_EQ(0, fs.mkfs(fsid, { BlueFS::BDEV_DB, true, true }));
+  ASSERT_EQ(0, fs.mount());
+  ASSERT_EQ(0, fs.maybe_verify_layout({ BlueFS::BDEV_DB, true, true }));
+
+  string dir_slow = "dir.slow";
+  ASSERT_EQ(0, fs.mkdir(dir_slow));
+  string dir_db = "dir_db";
+  ASSERT_EQ(0, fs.mkdir(dir_db));
+
+  string file_slow = "file";
+  BlueFS::FileWriter *h_slow;
+  ASSERT_EQ(0, fs.open_for_write(dir_slow, file_slow, &h_slow, false));
+  ASSERT_NE(nullptr, h_slow);
+
+  string file_db = "file";
+  BlueFS::FileWriter *h_db;
+  ASSERT_EQ(0, fs.open_for_write(dir_db, file_db, &h_db, false));
+  ASSERT_NE(nullptr, h_db);
+
+  bufferlist bl1;
+  std::unique_ptr<char[]> buf1 = gen_buffer(70000);
+  bufferptr bp1 = buffer::claim_char(70000, buf1.get());
+  bl1.push_back(bp1);
+  // add 70000 bytes
+  h_slow->append(bl1.c_str(), bl1.length());
+  fs.flush(h_slow);
+  // and truncate to 60000 bytes
+  fs.truncate(h_slow, 60000);
+
+  // write something to file on DB device
+  bufferlist bl2;
+  std::unique_ptr<char[]> buf2 = gen_buffer(1000);
+  bufferptr bp2 = buffer::claim_char(1000, buf2.get());
+  bl2.push_back(bp2);
+  h_db->append(bl2.c_str(), bl2.length());
+  // and force bluefs log to flush
+  fs.fsync(h_db);
+
+  // This is the actual test point.
+  // We completed truncate, and we expect
+  // - size to be 60000
+  // - data to be stable on slow device
+  // OR
+  // - size = 0 or file does not exist
+  // - dev_dirty is irrelevant
+  bool h_slow_dev_dirty = fs.debug_get_is_dev_dirty(h_slow, BlueFS::BDEV_SLOW);
+  // Imagine power goes down here.
+
+  fs.close_writer(h_slow);
+  fs.close_writer(h_db);
+
+  fs.umount();
+
+  ASSERT_EQ(0, fs.mount());
+  ASSERT_EQ(0, fs.maybe_verify_layout({ BlueFS::BDEV_DB, true, true }));
+
+  uint64_t size;
+  utime_t mtime;
+  ASSERT_EQ(0, fs.stat("dir.slow", "file", &size, &mtime));
+  // check file size 60000
+  ASSERT_EQ(size, 60000);
+  // check that dev_dirty was false (data stable on media)
+  ASSERT_EQ(h_slow_dev_dirty, false);
+
+  fs.umount();
+}
+
+TEST(BlueFS, test_update_ino1_delta_after_replay) {
+  uint64_t size = 1048576LL * (2 * 1024 + 128);
+  TempBdev bdev{size};
+
+  ConfSaver conf(g_ceph_context->_conf);
+  conf.SetVal("bluefs_alloc_size", "4096");
+  conf.SetVal("bluefs_shared_alloc_size", "4096");
+  conf.SetVal("bluefs_compact_log_sync", "false");
+  conf.SetVal("bluefs_min_log_runway", "32768");
+  conf.SetVal("bluefs_max_log_runway", "65536");
+  conf.SetVal("bluefs_allocator", "stupid");
+  conf.ApplyChanges();
+
+  BlueFS fs(g_ceph_context);
+  ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev.path, false, 1048576));
+  uuid_d fsid;
+  ASSERT_EQ(0, fs.mkfs(fsid, { BlueFS::BDEV_DB, false, false }));
+  ASSERT_EQ(0, fs.mount());
+  ASSERT_EQ(0, fs.maybe_verify_layout({ BlueFS::BDEV_DB, false, false }));
+  ASSERT_EQ(0, fs.mkdir("dir"));
+
+  char data[2000];
+  BlueFS::FileWriter *h;
+  ASSERT_EQ(0, fs.open_for_write("dir", "file", &h, false));
+  for (size_t i = 0; i < 100; i++) {
+    h->append(data, 2000);
+    fs.fsync(h);
+  }
+  fs.close_writer(h);
+  fs.umount(true); //do not compact on exit!
+
+  ASSERT_EQ(0, fs.mount());
+  ASSERT_EQ(0, fs.open_for_write("dir", "file2", &h, false));
+  for (size_t i = 0; i < 100; i++) {
+    h->append(data, 2000);
+    fs.fsync(h);
+  }
+  fs.close_writer(h);
+  fs.umount();
+
+  // remount and check log can replay safe?
+  ASSERT_EQ(0, fs.mount());
+  ASSERT_EQ(0, fs.maybe_verify_layout({ BlueFS::BDEV_DB, false, false }));
+  fs.umount();
+}
+
+TEST(BlueFS, test_shared_alloc) {
+  uint64_t size = 1048576 * 128;
+  TempBdev bdev_slow{size};
+  uint64_t size_db = 1048576 * 8;
+  TempBdev bdev_db{size_db};
+
+  ConfSaver conf(g_ceph_context->_conf);
+  conf.SetVal("bluefs_shared_alloc_size", "1048576");
+
+  bluefs_shared_alloc_context_t shared_alloc;
+  uint64_t shared_alloc_unit = 4096;
+  shared_alloc.set(
+    Allocator::create(g_ceph_context, g_ceph_context->_conf->bluefs_allocator,
+                      size, shared_alloc_unit, 0, 0, "test shared allocator"),
+    shared_alloc_unit);
+  shared_alloc.a->init_add_free(0, size);
+
+  BlueFS fs(g_ceph_context);
+  // DB device is fully utilized
+  ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev_db.path, false, size_db - 0x1000));
+  ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_SLOW, bdev_slow.path, false, 0,
+                                   &shared_alloc));
+  uuid_d fsid;
+  ASSERT_EQ(0, fs.mkfs(fsid, { BlueFS::BDEV_DB, false, false }));
+  ASSERT_EQ(0, fs.mount());
+  ASSERT_EQ(0, fs.maybe_verify_layout({ BlueFS::BDEV_DB, false, false }));
+  {
+    for (int i=0; i<10; i++) {
+       string dir = "dir.";
+       dir.append(to_string(i));
+       ASSERT_EQ(0, fs.mkdir(dir));
+       for (int j=0; j<10; j++) {
+          string file = "file.";
+         file.append(to_string(j));
+          BlueFS::FileWriter *h;
+          ASSERT_EQ(0, fs.open_for_write(dir, file, &h, false));
+          ASSERT_NE(nullptr, h);
+          auto sg = make_scope_guard([&fs, h] { fs.close_writer(h); });
+          bufferlist bl;
+          std::unique_ptr<char[]> buf = gen_buffer(4096);
+         bufferptr bp = buffer::claim_char(4096, buf.get());
+         bl.push_back(bp);
+          h->append(bl.c_str(), bl.length());
+          fs.fsync(h);
+       }
+    }
+  }
+  {
+    for (int i=0; i<10; i+=2) {
+       string dir = "dir.";
+       dir.append(to_string(i));
+       for (int j=0; j<10; j++) {
+          string file = "file.";
+         file.append(to_string(j));
+          fs.unlink(dir, file);
+         fs.sync_metadata(false);
+       }
+       ASSERT_EQ(0, fs.rmdir(dir));
+       fs.sync_metadata(false);
+    }
+  }
+  fs.compact_log();
+  auto *logger = fs.get_perf_counters();
+  ASSERT_NE(logger->get(l_bluefs_alloc_shared_dev_fallbacks), 0);
+  auto num_files = logger->get(l_bluefs_num_files);
+  fs.umount();
+  fs.mount();
+  ASSERT_EQ(num_files, logger->get(l_bluefs_num_files));
+  fs.umount();
+}
 
+TEST(BlueFS, test_shared_alloc_sparse) {
+  uint64_t size = 1048576 * 128 * 2;
+  uint64_t main_unit = 4096;
+  uint64_t bluefs_alloc_unit = 1048576;
+  TempBdev bdev_slow{size};
+
+  ConfSaver conf(g_ceph_context->_conf);
+  conf.SetVal("bluefs_shared_alloc_size",
+    stringify(bluefs_alloc_unit).c_str());
+
+  bluefs_shared_alloc_context_t shared_alloc;
+  shared_alloc.set(
+    Allocator::create(g_ceph_context, g_ceph_context->_conf->bluefs_allocator,
+                      size, main_unit, 0, 0, "test shared allocator"),
+    main_unit);
+  // prepare sparse free space but let's have a continuous chunk at
+  // the beginning to fit initial log's fnode into superblock,
+  // we don't have any tricks to deal with sparse allocations
+  // (and hence long fnode) at mkfs
+  shared_alloc.a->init_add_free(bluefs_alloc_unit, 4 * bluefs_alloc_unit);
+  for(uint64_t i = 5 * bluefs_alloc_unit; i < size; i += 2 * main_unit) {
+    shared_alloc.a->init_add_free(i, main_unit);
+  }
+
+  BlueFS fs(g_ceph_context);
+  ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev_slow.path, false, 0,
+                                   &shared_alloc));
+  uuid_d fsid;
+  ASSERT_EQ(0, fs.mkfs(fsid, { BlueFS::BDEV_DB, false, false }));
+  ASSERT_EQ(0, fs.mount());
+  ASSERT_EQ(0, fs.maybe_verify_layout({ BlueFS::BDEV_DB, false, false }));
+  {
+    for (int i=0; i<10; i++) {
+       string dir = "dir.";
+       dir.append(to_string(i));
+       ASSERT_EQ(0, fs.mkdir(dir));
+       for (int j=0; j<10; j++) {
+          string file = "file.";
+         file.append(to_string(j));
+          BlueFS::FileWriter *h;
+          ASSERT_EQ(0, fs.open_for_write(dir, file, &h, false));
+          ASSERT_NE(nullptr, h);
+          auto sg = make_scope_guard([&fs, h] { fs.close_writer(h); });
+          bufferlist bl;
+          std::unique_ptr<char[]> buf = gen_buffer(4096);
+         bufferptr bp = buffer::claim_char(4096, buf.get());
+         bl.push_back(bp);
+          h->append(bl.c_str(), bl.length());
+          fs.fsync(h);
+       }
+    }
+  }
+  {
+    for (int i=0; i<10; i+=2) {
+       string dir = "dir.";
+       dir.append(to_string(i));
+       for (int j=0; j<10; j++) {
+          string file = "file.";
+         file.append(to_string(j));
+          fs.unlink(dir, file);
+         fs.sync_metadata(false);
+       }
+       ASSERT_EQ(0, fs.rmdir(dir));
+       fs.sync_metadata(false);
+    }
+  }
+  fs.compact_log();
+  auto *logger = fs.get_perf_counters();
+  ASSERT_NE(logger->get(l_bluefs_alloc_shared_size_fallbacks), 0);
+  auto num_files = logger->get(l_bluefs_num_files);
+  fs.umount();
+
+  fs.mount();
+  ASSERT_EQ(num_files, logger->get(l_bluefs_num_files));
+  fs.umount();
+}
+
+TEST(BlueFS, test_4k_shared_alloc) {
+  uint64_t size = 1048576 * 128 * 2;
+  uint64_t main_unit = 4096;
+  uint64_t bluefs_alloc_unit = main_unit;
+  TempBdev bdev_slow{size};
+
+  ConfSaver conf(g_ceph_context->_conf);
+  conf.SetVal("bluefs_shared_alloc_size",
+    stringify(bluefs_alloc_unit).c_str());
+
+  bluefs_shared_alloc_context_t shared_alloc;
+  shared_alloc.set(
+    Allocator::create(g_ceph_context, g_ceph_context->_conf->bluefs_allocator,
+                      size, main_unit, 0, 0, "test shared allocator"),
+    main_unit);
+  shared_alloc.a->init_add_free(bluefs_alloc_unit, size - bluefs_alloc_unit);
+
+  BlueFS fs(g_ceph_context);
+  ASSERT_EQ(0, fs.add_block_device(BlueFS::BDEV_DB, bdev_slow.path, false, 0,
+                                   &shared_alloc));
+  uuid_d fsid;
+  ASSERT_EQ(0, fs.mkfs(fsid, { BlueFS::BDEV_DB, false, false }));
+  ASSERT_EQ(0, fs.mount());
+  ASSERT_EQ(0, fs.maybe_verify_layout({ BlueFS::BDEV_DB, false, false }));
+  {
+    for (int i=0; i<10; i++) {
+       string dir = "dir.";
+       dir.append(to_string(i));
+       ASSERT_EQ(0, fs.mkdir(dir));
+       for (int j=0; j<10; j++) {
+          string file = "file.";
+         file.append(to_string(j));
+          BlueFS::FileWriter *h;
+          ASSERT_EQ(0, fs.open_for_write(dir, file, &h, false));
+          ASSERT_NE(nullptr, h);
+          auto sg = make_scope_guard([&fs, h] { fs.close_writer(h); });
+          bufferlist bl;
+          std::unique_ptr<char[]> buf = gen_buffer(4096);
+         bufferptr bp = buffer::claim_char(4096, buf.get());
+         bl.push_back(bp);
+          h->append(bl.c_str(), bl.length());
+          fs.fsync(h);
+       }
+    }
+  }
+  {
+    for (int i=0; i<10; i+=2) {
+       string dir = "dir.";
+       dir.append(to_string(i));
+       for (int j=0; j<10; j++) {
+          string file = "file.";
+         file.append(to_string(j));
+          fs.unlink(dir, file);
+         fs.sync_metadata(false);
+       }
+       ASSERT_EQ(0, fs.rmdir(dir));
+       fs.sync_metadata(false);
+    }
+  }
+  fs.compact_log();
+  auto *logger = fs.get_perf_counters();
+  ASSERT_EQ(logger->get(l_bluefs_alloc_shared_dev_fallbacks), 0);
+  ASSERT_EQ(logger->get(l_bluefs_alloc_shared_size_fallbacks), 0);
+  auto num_files = logger->get(l_bluefs_num_files);
+  fs.umount();
+
+  fs.mount();
+  ASSERT_EQ(num_files, logger->get(l_bluefs_num_files));
+  fs.umount();
+}
+
+int main(int argc, char **argv) {
+  auto args = argv_to_vec(argc, argv);
   map<string,string> defaults = {
     { "debug_bluefs", "1/20" },
     { "debug_bdev", "1/20" }