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Snapshots

Snapshots are backups of a cluster’s indexes and state. State includes cluster settings, node information, index metadata (mappings, settings, templates, etc.), and shard allocation.

Snapshots have two main uses:

• Recovering from failure

  For example, if cluster health goes red, you might restore the red indexes from a snapshot.

• Migrating from one cluster to another

  For example, if you’re moving from a proof-of-concept to a production cluster, you might take a snapshot of the former and restore it on the latter.

You can take and restore snapshots using the snapshot API.