Admin Cluster State

The cluster state API allows to get a comprehensive state information of the whole cluster.

$ curl -XGET 'http://localhost:9200/_cluster/state'

Response Filters

It is possible to filter the cluster state response using the following REST parameters:

Parameter	Description
filter_nodes	Set to true to filter out the nodes part of the response.
filter_routing_table	Set to true to filter out the routing_table part of the response.
filter_metadata	Set to true to filter out the metadata part of the response.
filter_blocks	Set to true to filter out the blocks part of the response.
filter_indices	When not filtering metadata, a comma separated list of indices to include in the response.

Example follows:

$ curl -XGET 'http://localhost:9200/_cluster/state?filter_nodes=true'