--- Title: Cluster settings object alwaysopen: false categories: - docs - operate - rs description: An object for cluster resource management settings linkTitle: cluster_settings weight: $weight url: '/operate/rs/7.22/references/rest-api/objects/cluster_settings/' --- Cluster resources management policy | Name | Type/Value | Description | |------|------------|-------------| | acl_pubsub_default | `resetchannels`
`allchannels` | Default pub/sub ACL rule for all databases in the cluster:
•`resetchannels` blocks access to all channels (restrictive)
•`allchannels` allows access to all channels (permissive) | | auto_recovery | boolean (default: false) | Defines whether to use automatic recovery after shard failure | | automatic_node_offload | boolean (default: true) | Defines whether the cluster will automatically migrate shards from a node, in case the node is overbooked | | bigstore_migrate_node_threshold | integer | Minimum free memory (excluding reserved memory) allowed on a node before automatic migration of shards from it to free more memory | | bigstore_migrate_node_threshold_p | integer | Minimum free memory (excluding reserved memory) allowed on a node before automatic migration of shards from it to free more memory | | bigstore_provision_node_threshold | integer | Minimum free memory (excluding reserved memory) allowed on a node before new shards can no longer be added to it | | bigstore_provision_node_threshold_p | integer | Minimum free memory (excluding reserved memory) allowed on a node before new shards can no longer be added to it | | data_internode_encryption | boolean | Enable/deactivate encryption of the data plane internode communication | | db_conns_auditing | boolean | [Audit connections]({{< relref "/operate/rs/7.22/security/audit-events" >}}) for new databases by default if set to true. | | default_bigstore_version | **`1`**
`2` | Determines the default value of new databases' `bigstore_version`:
• `1` for Auto Tiering (Redis on Flash version 1). Default version.
• `2` for Redis Flex (Redis on Flash version 2) on databases that support it. Can only be used with the `speedb` driver. | | default_concurrent_restore_actions | integer | Default number of restore actions allowed at the same time. Set to 0 to allow any number of simultaneous restore actions. | | default_fork_evict_ram | boolean | If true, the bdbs should evict data from RAM to ensure successful replication or persistence | | default_non_sharded_proxy_policy | `single`

`all-master-shards`

`all-nodes` | Default proxy_policy for newly created non-sharded databases' endpoints | | default_oss_sharding | boolean (default: false) | Default hashing policy to use for new databases. This field is for future use only and should not be changed. | | default_oss_cluster | boolean (default: false) | Default `oss_cluster` setting for new databases. Enables the OSS Cluster API if `true`, or turns it off if `false`. | | default_provisioned_redis_version | string | Default Redis version | | default_recovery_wait_time | integer (default: -1) | The default time for new databases to wait for the persistence file to be available during automatic recovery. -1 means wait forever. | | default_sharded_proxy_policy | `single`

`all-master-shards`

`all-nodes` | Default proxy_policy for newly created sharded databases' endpoints | | default_shards_placement | `dense`
`sparse` | Default shards_placement for a newly created databases | | default_tracking_table_max_keys_policy | integer (default: 1000000) | Defines the default value of the client-side caching invalidation table size for new databases. 0 makes the cache unlimited. | | diskless_repl | `yes`
`no` (default: yes) | If `yes`, enable default Redis diskless replication mechanism (deprecated; use `repl_diskless` instead) | | endpoint_rebind_propagation_grace_time | integer | Time to wait between the addition and removal of a proxy | | evict_node_use_free_memory | boolean | When evicting a node, use the free memory instead of the provisional memory to check if the shards from the old node fit on the new one | | expose_hostnames_for_all_suffixes | boolean (default: false) | If true, enables exposing hostnames for non-default DNS suffixes | | failure_detection_sensitivity | `high`
`low` | Predefined thresholds and timeouts for failure detection (previously known as `watchdog_profile`)
• `high` (previously `local-network`) – high failure detection sensitivity, lower thresholds, faster failure detection and failover
• `low` (previously `cloud`) – low failure detection sensitivity, higher tolerance for latency variance (also called network jitter) | | hide_user_data_from_log | boolean (default: false) | Set to `true` to enable the `hide-user-data-from-log` Redis configuration setting, which avoids logging user data | | login_lockout_counter_reset_after | integer | Number of seconds that must elapse between failed sign in attempts before the lockout counter is reset to 0. | | login_lockout_duration | integer | Duration (in secs) of account lockout. If set to 0, the account lockout will persist until released by an admin. | | login_lockout_threshold | integer | Number of failed sign in attempts allowed before locking a user account | | master_healthcheck_api_auth | boolean (default: true) | Defines if authentication is required by the local `master_healthcheck` API | | max_redis_forks | integer (default: 0) | Maximum number of background processes forked from shards that can exist on the node at any given time. 0 means unlimited. | | max_saved_events_per_type | integer | Maximum saved events per event type | | max_simultaneous_backups | integer (default: 4) | Maximum number of backup processes allowed at the same time | | metrics_exporter_expose_bdb_name | boolean (default: false) | If true, adds a label with the database name to relevant metrics | | parallel_shards_upgrade | integer | Maximum number of shards to upgrade in parallel | | max_slave_full_syncs | integer (default: 0) | Maximum number of simultaneous replica full syncs that can run at any given time. 0 means unlimited. | | oss_cluster_api_preferred_endpoint_type | `ip`
`hostname` (default: ip) | Determines the default endpoint type in the OSS Cluster API for new endpoints | | oss_cluster_api_preferred_ip_type | `internal`
`external` (default: internal) | Determines the default IP type in the OSS Cluster API for new endpoints | | persistence_cleanup_grace_time | integer | Time in seconds before an unmodified file is considered to be stale and to be removed by persistence cleanup | | persistence_cleanup_scan_interval | string | [CRON expression](https://en.wikipedia.org/wiki/Cron#CRON_expression) that defines the Redis cleanup schedule | | persistent_node_removal | boolean | When removing a node, wait for persistence files to be created for all migrated shards | | rack_aware | boolean | Cluster operates in a rack-aware mode | | redis_migrate_node_threshold | integer | Minimum free memory (excluding reserved memory) allowed on a node before automatic migration of shards from it to free more memory | | redis_migrate_node_threshold_p | integer | Minimum free memory (excluding reserved memory) allowed on a node before automatic migration of shards from it to free more memory | | redis_provision_node_threshold | integer | Minimum free memory (excluding reserved memory) allowed on a node before new shards can no longer be added to it | | redis_provision_node_threshold_p | integer | Minimum free memory (excluding reserved memory) allowed on a node before new shards can no longer be added to it | | redis_upgrade_policy | **`major`**
`latest` | Create/upgrade Redis Enterprise software on databases in the cluster by compatibility with major versions or latest versions of Redis Open Source | | repl_diskless | boolean (default: true) | If true, enables the default Redis diskless replication mechanism | | resp3_default | boolean (default: true) | Determines the default value of the `resp3` option upon upgrading a database to version 7.2 | | shards_overbooking | boolean | If true, all databases' memory_size is ignored during shards placement | | show_internals | boolean | Show internal databases (and their shards and endpoints) REST APIs | | show_metrics_during_state_machine | boolean | Show metrics during state machine operations | | slave_ha | boolean | Enable the replica high-availability mechanism. Deprecated as of Redis Enterprise Software v7.2.4. | | slave_ha_bdb_cooldown_period | integer | Time in seconds between runs of the replica high-availability mechanism on different nodes on the same database | | slave_ha_cooldown_period | integer | Time in seconds between runs of the replica high-availability mechanism on different nodes on the same database | | slave_ha_grace_period | integer | Time in seconds between a node failure and when the replica high-availability mechanism starts relocating shards | | slow_log_max_len | integer (default: 1024) | Set max slow log entries in debug info | | use_librdb | boolean | If true, new databases use the new RDB parser instead of the old one | | witness_disk_update_frequency_divisor | integer (default: 3) | Redis Enterprise Software updates the witness disk every `node_max_update_time / witness_disk_update_frequency_divisor` seconds |