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Availability and recovery settings

Availability and recovery settings include settings for the following:

To learn more about static and dynamic settings, see Configuring OpenSearch.

Snapshot settings

OpenSearch supports the following snapshot settings:

  • snapshot.max_concurrent_operations(Dynamic, integer): The maximum number of concurrent snapshot operations. Default is 1000.

For security-related snapshot settings, see Security settings.

File system settings

For information about file system settings, see Shared file system.

Amazon S3 settings

For information about Amazon S3 repository settings, see Amazon S3.

Cluster manager task throttling settings

For information about cluster manager task throttling settings, see Setting throttling limits.

Remote-backed storage settings

OpenSearch supports the following cluster-level remote-backed storage settings:

  • cluster.remote_store.translog.buffer_interval (Dynamic, time unit): The default value of the translog buffer interval used when performing periodic translog updates. This setting is only effective when the index setting index.remote_store.translog.buffer_interval is not present.

  • remote_store.moving_average_window_size (Dynamic, integer): The moving average window size used to calculate the rolling statistic values exposed through the Remote Store Stats API. Default is 20. Minimum enforced is 5.

For more remote-backed storage settings, see Remote-backed storage and Configuring remote-backed storage.

For remote segment backpressure settings, see Remote segment backpressure settings.

Search backpressure settings

Search backpressure is a mechanism used to identify resource-intensive search requests and cancel them when the node is under duress. For more information, see Search backpressure settings.

Shard indexing backpressure settings

Shard indexing backpressure is a smart rejection mechanism at a per-shard level that dynamically rejects indexing requests when your cluster is under strain. For more information, see shard indexing backpressure settings.

Segment replication settings

For information about segment replication settings, see Segment replication.

For information about segment replication backpressure settings, see Segment replication backpressure.

Cross-cluster replication settings

For information about cross-cluster replication settings, see Replication settings.

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