# -*- mode: YAML -*-
---

options:
- name: rbd_mirror_journal_commit_age
  type: float
  level: advanced
  desc: commit time interval, seconds
  default: 5
  services:
  - rbd-mirror
- name: rbd_mirror_journal_poll_age
  type: float
  level: advanced
  desc: maximum age (in seconds) between successive journal polls
  default: 5
  services:
  - rbd-mirror
- name: rbd_mirror_sync_point_update_age
  type: float
  level: advanced
  desc: number of seconds between each update of the image sync point object number
  default: 30
  services:
  - rbd-mirror
- name: rbd_mirror_concurrent_image_syncs
  type: uint
  level: advanced
  desc: maximum number of image syncs in parallel
  default: 5
  services:
  - rbd-mirror
- name: rbd_mirror_pool_replayers_refresh_interval
  type: uint
  level: advanced
  desc: interval to refresh peers in rbd-mirror daemon
  default: 30
  services:
  - rbd-mirror
- name: rbd_mirror_concurrent_image_deletions
  type: uint
  level: advanced
  desc: maximum number of image deletions in parallel
  default: 1
  services:
  - rbd-mirror
  min: 1
- name: rbd_mirror_delete_retry_interval
  type: float
  level: advanced
  desc: interval to check and retry the failed deletion requests
  default: 30
  services:
  - rbd-mirror
- name: rbd_mirror_image_state_check_interval
  type: uint
  level: advanced
  desc: interval to get images from pool watcher and set sources in replayer
  default: 30
  services:
  - rbd-mirror
  min: 1
- name: rbd_mirror_leader_heartbeat_interval
  type: uint
  level: advanced
  desc: interval (in seconds) between mirror leader heartbeats
  default: 5
  services:
  - rbd-mirror
  min: 1
- name: rbd_mirror_leader_max_missed_heartbeats
  type: uint
  level: advanced
  desc: number of missed heartbeats for non-lock owner to attempt to acquire lock
  default: 2
  services:
  - rbd-mirror
- name: rbd_mirror_leader_max_acquire_attempts_before_break
  type: uint
  level: advanced
  desc: number of failed attempts to acquire lock after missing heartbeats before
    breaking lock
  default: 3
  services:
  - rbd-mirror
- name: rbd_mirror_image_policy_type
  type: str
  level: advanced
  desc: active/active policy type for mapping images to instances
  default: simple
  services:
  - rbd-mirror
  enum_values:
  - none
  - simple
- name: rbd_mirror_image_policy_migration_throttle
  type: uint
  level: advanced
  desc: number of seconds after which an image can be reshuffled (migrated) again
  default: 300
  services:
  - rbd-mirror
- name: rbd_mirror_image_policy_update_throttle_interval
  type: float
  level: advanced
  desc: interval (in seconds) to throttle images for mirror daemon peer updates
  default: 1
  services:
  - rbd-mirror
  min: 1
- name: rbd_mirror_image_policy_rebalance_timeout
  type: float
  level: advanced
  desc: number of seconds policy should be idle before trigerring reshuffle (rebalance)
    of images
  default: 0
  services:
  - rbd-mirror
- name: rbd_mirror_perf_stats_prio
  type: int
  level: advanced
  desc: Priority level for mirror daemon replication perf counters
  long_desc: The daemon will send perf counter data to the manager daemon if the priority
    is not lower than mgr_stats_threshold.
  default: 5
  services:
  - rbd-mirror
  min: 0
  max: 11
- name: rbd_mirror_image_perf_stats_prio
  type: int
  level: advanced
  desc: Priority level for mirror daemon per-image replication perf counters
  long_desc: The daemon will send per-image perf counter data to the manager daemon
    if the priority is not lower than mgr_stats_threshold.
  default: 5
  services:
  - rbd-mirror
  min: 0
  max: 11
- name: rbd_mirror_memory_autotune
  type: bool
  level: dev
  desc: Automatically tune the ratio of caches while respecting min values.
  default: true
  services:
  - rbd-mirror
  see_also:
  - rbd_mirror_memory_target
- name: rbd_mirror_memory_target
  type: size
  level: basic
  desc: When tcmalloc and cache autotuning is enabled, try to keep this many bytes
    mapped in memory.
  default: 4_G
  services:
  - rbd-mirror
  see_also:
  - rbd_mirror_memory_autotune
- name: rbd_mirror_memory_base
  type: size
  level: dev
  desc: When tcmalloc and cache autotuning is enabled, estimate the minimum amount
    of memory in bytes the rbd-mirror daemon will need.
  default: 768_M
  services:
  - rbd-mirror
  see_also:
  - rbd_mirror_memory_autotune
- name: rbd_mirror_memory_expected_fragmentation
  type: float
  level: dev
  desc: When tcmalloc and cache autotuning is enabled, estimate the percent of memory
    fragmentation.
  default: 0.15
  services:
  - rbd-mirror
  see_also:
  - rbd_mirror_memory_autotune
  min: 0
  max: 1
- name: rbd_mirror_memory_cache_min
  type: size
  level: dev
  desc: When tcmalloc and cache autotuning is enabled, set the minimum amount of memory
    used for cache.
  default: 128_M
  services:
  - rbd-mirror
  see_also:
  - rbd_mirror_memory_autotune
- name: rbd_mirror_memory_cache_resize_interval
  type: float
  level: dev
  desc: When tcmalloc and cache autotuning is enabled, wait this many seconds between
    resizing caches.
  default: 5
  services:
  - rbd-mirror
  see_also:
  - rbd_mirror_memory_autotune
- name: rbd_mirror_memory_cache_autotune_interval
  type: float
  level: dev
  desc: The number of seconds to wait between rebalances when cache autotune is enabled.
  default: 30
  services:
  - rbd-mirror
  see_also:
  - rbd_mirror_memory_autotune