Admin Cluster Nodes StatsΒΆ

The cluster nodes stats API allows to retrieve one or more (or all) of the cluster nodes statistics.

curl -XGET 'http://localhost:9200/_cluster/nodes/stats'
curl -XGET 'http://localhost:9200/_cluster/nodes/nodeId1,nodeId2/stats'

# simplified
curl -XGET 'http://localhost:9200/_nodes/stats'
curl -XGET 'http://localhost:9200/_nodes/nodeId1,nodeId2/stats'

The first command retrieves stats of all the nodes in the cluster. The second command selectively retrieves nodes stats of only nodeId1 and nodeId2. All the nodes selective options are explained here.

By default, indices stats are returned. With options for indices, os, process, jvm, network, transport, http, fs, and thread_pool. For example:

# return indices and os
curl -XGET 'http://localhost:9200/_nodes/stats?os=true'
# return just os and process
curl -XGET 'http://localhost:9200/_nodes/stats?clear=true&os=true&process=true'
# specific type endpoint
curl -XGET 'http://localhost:9200/_nodes/process/stats'
curl -XGET 'http://localhost:9200/_nodes/'
# or, if you like the other way
curl -XGET 'http://localhost:9200/_nodes/stats/process'
curl -XGET 'http://localhost:9200/_nodes/10.0.01/stats/process'

The all flag can be set to return all the stats.