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90 lines
4.2 KiB
Text
90 lines
4.2 KiB
Text
[role="xpack"]
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[[ilm-settings]]
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=== {ilm-cap} settings in {es}
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[subs="attributes"]
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++++
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<titleabbrev>{ilm-cap} settings</titleabbrev>
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++++
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These are the settings available for configuring <<index-lifecycle-management, {ilm}>> ({ilm-init}).
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==== Cluster level settings
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`xpack.ilm.enabled`::
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(<<static-cluster-setting,Static>>, Boolean)
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deprecated:[7.8.0,Basic License features are always enabled] +
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This deprecated setting has no effect and will be removed in Elasticsearch 8.0.
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`indices.lifecycle.history_index_enabled`::
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(<<dynamic-cluster-setting,Dynamic>>, Boolean)
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Whether ILM's history index is enabled. If enabled, ILM will record the
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history of actions taken as part of ILM policies to the `ilm-history-*`
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indices. Defaults to `true`.
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[[indices-lifecycle-poll-interval]]
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`indices.lifecycle.poll_interval`::
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(<<dynamic-cluster-setting,Dynamic>>, <<time-units, time unit value>>)
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How often {ilm} checks for indices that meet policy criteria. Defaults to `10m`.
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[[indices-lifecycle-rollover-only-if-has-documents]]
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`indices.lifecycle.rollover.only_if_has_documents`::
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(<<dynamic-cluster-setting,Dynamic>>, Boolean)
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Whether ILM will only roll over non-empty indices. If enabled, ILM will only roll over indices
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as long as they contain at least one document. Defaults to `true`.
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==== Index level settings
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These index-level {ilm-init} settings are typically configured through index
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templates. For more information, see <<ilm-gs-create-policy>>.
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`index.lifecycle.indexing_complete`::
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(<<indices-update-settings,Dynamic>>, Boolean)
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Indicates whether or not the index has been rolled over.
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Automatically set to `true` when {ilm-init} completes the rollover action.
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You can explicitly set it to <<skipping-rollover, skip rollover>>.
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Defaults to `false`.
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[[index-lifecycle-name]]
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`index.lifecycle.name`::
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(<<indices-update-settings, Dynamic>>, string)
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The name of the policy to use to manage the index. For information about how
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{es} applies policy changes, see <<update-lifecycle-policy>>.
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If you are restoring an index from snapshot that was previously managed by {ilm},
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you can override this setting to null during the restore operation to disable
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further management of the index. See also <<index-lifecycle-rollover-alias>>.
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[[index-lifecycle-origination-date]]
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`index.lifecycle.origination_date`::
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(<<indices-update-settings,Dynamic>>, long)
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If specified, this is the timestamp used to calculate the index age for its phase transitions.
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Use this setting if you create a new index that contains old data and
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want to use the original creation date to calculate the index age.
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Specified as a Unix epoch value in milliseconds.
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[[index-lifecycle-parse-origination-date]]
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`index.lifecycle.parse_origination_date`::
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(<<indices-update-settings,Dynamic>>, Boolean)
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Set to `true` to parse the origination date from the index name.
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This origination date is used to calculate the index age for its phase transitions.
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The index name must match the pattern `^.*-{date_format}-\\d+`,
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where the `date_format` is `yyyy.MM.dd` and the trailing digits are optional.
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An index that was rolled over would normally match the full format,
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for example `logs-2016.10.31-000002`).
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If the index name doesn't match the pattern, index creation fails.
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[[index-lifecycle-step-wait-time-threshold]]
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`index.lifecycle.step.wait_time_threshold`::
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(<<indices-update-settings,Dynamic>>, <<time-units,time value>>)
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Time to wait for the cluster to resolve allocation issues during an {ilm-init}
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<<ilm-shrink,`shrink`>> action. Must be greater than `1h` (1 hour). Defaults to
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`12h` (12 hours). See <<ilm-shrink-shard-allocation>>.
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[[index-lifecycle-rollover-alias]]
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`index.lifecycle.rollover_alias`::
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(<<indices-update-settings,Dynamic>>, string)
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The index alias to update when the index rolls over. Specify when using a
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policy that contains a rollover action. When the index rolls over, the alias is
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updated to reflect that the index is no longer the write index. For more
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information about rolling indices, see <<index-rollover, Rollover>>.
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If you are restoring an index from snapshot that was previously managed by {ilm},
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you can override this setting to null during the restore operation to disable
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further management of future indices. See also <<index-lifecycle-name>>.
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