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6ce5f73e97
This PR adds a user action to the SLM health indicator which checks each SLM policy's invocations since last success field and reports degraded health (YELLOW) in the event that any policy is at or above the failure threshold (default is 5 failures in a row).
53 lines
2 KiB
Text
53 lines
2 KiB
Text
[[snapshot-settings]]
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=== Snapshot and restore settings
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The following cluster settings configure <<snapshot-restore,snapshot and
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restore>>.
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[[snapshot-max-concurrent-ops]]
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`snapshot.max_concurrent_operations`::
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(<<dynamic-cluster-setting,Dynamic>>, integer) Maximum number of concurrent
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snapshot operations. Defaults to `1000`.
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+
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This limit applies in total to all ongoing snapshot creation, cloning, and
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deletion operations. {es} will reject any operations that would exceed this
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limit.
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==== {slm-init} settings
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The following cluster settings configure <<automate-snapshots-slm,{slm}
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({slm-init})>>.
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[[slm-history-index-enabled]]
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`slm.history_index_enabled`::
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(<<dynamic-cluster-setting,Dynamic>>, Boolean)
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Controls whether {slm-init} records the history of actions taken as part of {slm-init} policies
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to the `slm-history-*` indices. Defaults to `true`.
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[[slm-retention-schedule]]
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`slm.retention_schedule`::
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(<<dynamic-cluster-setting,Dynamic>>, <<schedule-cron,cron scheduler value>>)
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Controls when the <<slm-retention-task,retention task>> runs.
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Can be a periodic or absolute time schedule.
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Supports all values supported by the <<schedule-cron,cron scheduler>>.
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Defaults to daily at 1:30am UTC: `0 30 1 * * ?`.
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[[slm-retention-duration]]
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`slm.retention_duration`::
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(<<dynamic-cluster-setting,Dynamic>>, <<time-units,time value>>)
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Limits how long {slm-init} should spend deleting old snapshots.
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Defaults to one hour: `1h`.
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[[slm-health-failed-snapshot-warn-threshold]]
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`slm.health.failed_snapshot_warn_threshold`::
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(<<dynamic-cluster-setting,Dynamic>>, Long)
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The number of failed invocations since last successful snapshot that
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indicate a problem with the policy in the health api.
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Defaults to a health api warning after five repeated failures: `5L`.
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[[repositories-url-allowed]]
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// tag::repositories-url-allowed[]
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`repositories.url.allowed_urls` {ess-icon}::
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(<<static-cluster-setting,Static>>)
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Specifies the <<snapshots-read-only-repository,read-only URL repositories>> that snapshots can be restored from.
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// end::repositories-url-allowed[]
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