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27520cac3b
* ILM: parse origination date from index name (#46755) Introduce the `index.lifecycle.parse_origination_date` setting that indicates if the origination date should be parsed from the index name. If set to true an index which doesn't match the expected format (namely `indexName-{dateFormat}-optional_digits` will fail before being created. The origination date will be parsed when initialising a lifecycle for an index and it will be set as the `index.lifecycle.origination_date` for that index. A user set value for `index.lifecycle.origination_date` will always override a possible parsable date from the index name. (cherry picked from commit c363d27f0210733dad0c307d54fa224a92ddb569) Signed-off-by: Andrei Dan <andrei.dan@elastic.co> * Drop usage of Map.of to be java 8 compliant
42 lines
1.7 KiB
Plaintext
42 lines
1.7 KiB
Plaintext
[role="xpack"]
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[[ilm-settings]]
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=== {ilm-cap} settings
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These are the settings available for configuring Index Lifecycle Management
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==== Cluster level settings
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`xpack.ilm.enabled`::
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Whether ILM is enabled or disabled, setting this to `false` disables any
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ILM REST API endpoints and functionality. 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.name`::
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The name of the policy to use to manage the index.
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`index.lifecycle.rollover_alias`::
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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 rollover, see <<using-policies-rollover>>.
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`indices.lifecycle.poll_interval`::
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(<<time-units, time units>>) How often {ilm} checks for indices that meet policy
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criteria. Defaults to `10m`.
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`index.lifecycle.parse_origination_date`::
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When configured to `true` the origination date will be parsed from the index
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name. The index format must match the pattern `^.*-{date_format}-\\d+`, where
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the `date_format` is `yyyy.MM.dd` and the trailing digits are optional (an
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index that was rolled over would normally match the full format eg.
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`logs-2016.10.31-000002`). If the index name doesn't match the pattern
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the index creation will fail.
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`index.lifecycle.origination_date`::
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The timestamp that will be used to calculate the index age for its phase
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transitions. This allows the users to create an index containing old data and
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use the original creation date of the old data to calculate the index age.
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