Elasticsearch Persistent

By Opster Team

Updated: Jan 28, 2024

| 1 min read

Overview

In Elasticsearch, persistent refers to cluster settings that persist across cluster restarts. This setting is used in Cluster Update API calls. Persistent settings can also be configured in the elasticsearch.yml file.

Examples

## enable shard routing
PUT /_cluster/settings
{
    "persistent" : {
        "cluster.routing.allocation.enable" : "all"
    }
}
## enable rebalancing of shards
PUT /_cluster/settings
{
    "persistent" : {
        "cluster.routing.rebalance.enable" : "all"
    }
}
## limit the heap size for fielddata
PUT /_cluster/settings
{
    "persistent" : {
                 “indices.breaker.fielddata.limit”: "30%"
    }
}

Related log errors to this ES concept


Trying to update state on non-existing task
Failed to reassign persistent tasks
Persistent task with id and allocation id failed to create
The task with id was found but it has a different allocation id status is not updated
Attempt to complete task with id in the state
Task failed with an exception
Un-assigning persistent tasks
Unable to start allocated task
Fatal error registering persistent task
Notification for task with id failed
Persistent task id failed
The task wasn t found status is not updated

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