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# -*- 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
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