A newer version is available. For the latest information, see the current release documentation.
- Move shards to nodes with different performance characteristics and reduce the number of replicas.
- Permanently remove the index.
- Force merge
- Reduce the number of index segments and purge deleted documents. Makes the index read-only.
- Move the index shards to the data tier that corresponds to the current ILM phase.
- Read only
- Block write operations to the index.
- Remove the index as the write index for the rollover alias and start indexing to a new index.
- Aggregates an index’s time series data and stores the results in a new read-only index. For example, you can downsample hourly data into daily or weekly summaries.
- Searchable snapshot
- Take a snapshot of the managed index in the configured repository and mount it as a searchable snapshot.
- Set priority
- Lower the priority of an index as it moves through the lifecycle to ensure that hot indices are recovered first.
- Reduce the number of primary shards by shrinking the index into a new index.
- Convert a follower index to a regular index. Performed automatically before a rollover, shrink, or searchable snapshot action.
- Wait for snapshot
- Ensure that a snapshot exists before deleting the index.
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