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Cluster Update Settings
editCluster Update Settings
editAllows to update cluster wide specific settings. Settings updated can either be persistent (applied cross restarts) or transient (will not survive a full cluster restart). Here is an example:
curl -XPUT localhost:9200/_cluster/settings -d '{ "persistent" : { "discovery.zen.minimum_master_nodes" : 2 } }'
Or:
curl -XPUT localhost:9200/_cluster/settings -d '{ "transient" : { "discovery.zen.minimum_master_nodes" : 2 } }'
The cluster responds with the settings updated. So the response for the last example will be:
{ "persistent" : {}, "transient" : { "discovery.zen.minimum_master_nodes" : "2" } }'
Cluster wide settings can be returned using:
curl -XGET localhost:9200/_cluster/settings
A list of dynamically updatable settings can be found in the Modules documentation.