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These index-level ILM settings are typically configured through index templates. For more information, see Setting up a policy.
- The name of the policy to use to manage the index.
- The index alias to update when the index rolls over. Specify when using a policy that contains a rollover action. When the index rolls over, the alias is updated to reflect that the index is no longer the write index. For more information about rollover, see Using policies to manage index rollover.
- (time units) How often index lifecycle management checks for indices that meet policy
criteria. Defaults to
- The timestamp that will be used to calculate the index age for its phase transitions. This allows the users to create an index containing old data and use the original creation date of the old data to calculate the index age.