ceph/src/common/options/rbd-mirror.yaml.in

   1 # -*- mode: YAML -*-
   2 ---
   3
   4 options:
   5 - name: rbd_mirror_journal_commit_age
   6   type: float
   7   level: advanced
   8   desc: commit time interval, seconds
   9   default: 5
  10   services:
  11   - rbd-mirror
  12 - name: rbd_mirror_journal_poll_age
  13   type: float
  14   level: advanced
  15   desc: maximum age (in seconds) between successive journal polls
  16   default: 5
  17   services:
  18   - rbd-mirror
  19 - name: rbd_mirror_sync_point_update_age
  20   type: float
  21   level: advanced
  22   desc: number of seconds between each update of the image sync point object number
  23   default: 30
  24   services:
  25   - rbd-mirror
  26 - name: rbd_mirror_concurrent_image_syncs
  27   type: uint
  28   level: advanced
  29   desc: maximum number of image syncs in parallel
  30   default: 5
  31   services:
  32   - rbd-mirror
  33 - name: rbd_mirror_pool_replayers_refresh_interval
  34   type: uint
  35   level: advanced
  36   desc: interval to refresh peers in rbd-mirror daemon
  37   default: 30
  38   services:
  39   - rbd-mirror
  40 - name: rbd_mirror_concurrent_image_deletions
  41   type: uint
  42   level: advanced
  43   desc: maximum number of image deletions in parallel
  44   default: 1
  45   services:
  46   - rbd-mirror
  47   min: 1
  48 - name: rbd_mirror_delete_retry_interval
  49   type: float
  50   level: advanced
  51   desc: interval to check and retry the failed deletion requests
  52   default: 30
  53   services:
  54   - rbd-mirror
  55 - name: rbd_mirror_image_state_check_interval
  56   type: uint
  57   level: advanced
  58   desc: interval to get images from pool watcher and set sources in replayer
  59   default: 30
  60   services:
  61   - rbd-mirror
  62   min: 1
  63 - name: rbd_mirror_leader_heartbeat_interval
  64   type: uint
  65   level: advanced
  66   desc: interval (in seconds) between mirror leader heartbeats
  67   default: 5
  68   services:
  69   - rbd-mirror
  70   min: 1
  71 - name: rbd_mirror_leader_max_missed_heartbeats
  72   type: uint
  73   level: advanced
  74   desc: number of missed heartbeats for non-lock owner to attempt to acquire lock
  75   default: 2
  76   services:
  77   - rbd-mirror
  78 - name: rbd_mirror_leader_max_acquire_attempts_before_break
  79   type: uint
  80   level: advanced
  81   desc: number of failed attempts to acquire lock after missing heartbeats before
  82     breaking lock
  83   default: 3
  84   services:
  85   - rbd-mirror
  86 - name: rbd_mirror_image_policy_type
  87   type: str
  88   level: advanced
  89   desc: active/active policy type for mapping images to instances
  90   default: simple
  91   services:
  92   - rbd-mirror
  93   enum_values:
  94   - none
  95   - simple
  96 - name: rbd_mirror_image_policy_migration_throttle
  97   type: uint
  98   level: advanced
  99   desc: number of seconds after which an image can be reshuffled (migrated) again
 100   default: 300
 101   services:
 102   - rbd-mirror
 103 - name: rbd_mirror_image_policy_update_throttle_interval
 104   type: float
 105   level: advanced
 106   desc: interval (in seconds) to throttle images for mirror daemon peer updates
 107   default: 1
 108   services:
 109   - rbd-mirror
 110   min: 1
 111 - name: rbd_mirror_image_policy_rebalance_timeout
 112   type: float
 113   level: advanced
 114   desc: number of seconds policy should be idle before trigerring reshuffle (rebalance)
 115     of images
 116   default: 0
 117   services:
 118   - rbd-mirror
 119 - name: rbd_mirror_perf_stats_prio
 120   type: int
 121   level: advanced
 122   desc: Priority level for mirror daemon replication perf counters
 123   long_desc: The daemon will send perf counter data to the manager daemon if the priority
 124     is not lower than mgr_stats_threshold.
 125   default: 5
 126   services:
 127   - rbd-mirror
 128   min: 0
 129   max: 11
 130 - name: rbd_mirror_image_perf_stats_prio
 131   type: int
 132   level: advanced
 133   desc: Priority level for mirror daemon per-image replication perf counters
 134   long_desc: The daemon will send per-image perf counter data to the manager daemon
 135     if the priority is not lower than mgr_stats_threshold.
 136   default: 5
 137   services:
 138   - rbd-mirror
 139   min: 0
 140   max: 11
 141 - name: rbd_mirror_memory_autotune
 142   type: bool
 143   level: dev
 144   desc: Automatically tune the ratio of caches while respecting min values.
 145   default: true
 146   services:
 147   - rbd-mirror
 148   see_also:
 149   - rbd_mirror_memory_target
 150 - name: rbd_mirror_memory_target
 151   type: size
 152   level: basic
 153   desc: When tcmalloc and cache autotuning is enabled, try to keep this many bytes
 154     mapped in memory.
 155   default: 4_G
 156   services:
 157   - rbd-mirror
 158   see_also:
 159   - rbd_mirror_memory_autotune
 160 - name: rbd_mirror_memory_base
 161   type: size
 162   level: dev
 163   desc: When tcmalloc and cache autotuning is enabled, estimate the minimum amount
 164     of memory in bytes the rbd-mirror daemon will need.
 165   default: 768_M
 166   services:
 167   - rbd-mirror
 168   see_also:
 169   - rbd_mirror_memory_autotune
 170 - name: rbd_mirror_memory_expected_fragmentation
 171   type: float
 172   level: dev
 173   desc: When tcmalloc and cache autotuning is enabled, estimate the percent of memory
 174     fragmentation.
 175   default: 0.15
 176   services:
 177   - rbd-mirror
 178   see_also:
 179   - rbd_mirror_memory_autotune
 180   min: 0
 181   max: 1
 182 - name: rbd_mirror_memory_cache_min
 183   type: size
 184   level: dev
 185   desc: When tcmalloc and cache autotuning is enabled, set the minimum amount of memory
 186     used for cache.
 187   default: 128_M
 188   services:
 189   - rbd-mirror
 190   see_also:
 191   - rbd_mirror_memory_autotune
 192 - name: rbd_mirror_memory_cache_resize_interval
 193   type: float
 194   level: dev
 195   desc: When tcmalloc and cache autotuning is enabled, wait this many seconds between
 196     resizing caches.
 197   default: 5
 198   services:
 199   - rbd-mirror
 200   see_also:
 201   - rbd_mirror_memory_autotune
 202 - name: rbd_mirror_memory_cache_autotune_interval
 203   type: float
 204   level: dev
 205   desc: The number of seconds to wait between rebalances when cache autotune is enabled.
 206   default: 30
 207   services:
 208   - rbd-mirror
 209   see_also:
 210   - rbd_mirror_memory_autotune