snapshot-settings.asciidoc

Snapshot and restore settings

The following cluster settings configure snapshot and restore.

snapshot.max_concurrent_operations

(Dynamic, integer) Maximum number of concurrent snapshot operations. Defaults to 1000.

This limit applies in total to all ongoing snapshot creation, cloning, and deletion operations. {es} will reject any operations that would exceed this limit.

{slm-init} settings

The following cluster settings configure {slm} ({slm-init}).

slm.history_index_enabled

(Dynamic, Boolean) Controls whether {slm-init} records the history of actions taken as part of {slm-init} policies to the slm-history-* indices. Defaults to true.

slm.retention_schedule

(Dynamic, cron scheduler value) Controls when the retention task runs. Can be a periodic or absolute time schedule. Supports all values supported by the cron scheduler. Defaults to daily at 1:30am UTC: 0 30 1 * * ?.

slm.retention_duration

(Dynamic, time value) Limits how long {slm-init} should spend deleting old snapshots. Defaults to one hour: 1h.

slm.health.failed_snapshot_warn_threshold

(Dynamic, Long) The number of failed invocations since last successful snapshot that indicate a problem with the policy in the health api. Defaults to a health api warning after five repeated failures: 5L.

repositories.url.allowed_urls {ess-icon}

(Static) Specifies the read-only URL repositories that snapshots can be restored from.