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Nodes Feature Usage

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Nodes Feature Usage

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Nodes usage

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The cluster nodes usage API allows to retrieve information on the usage of features for each node.

GET _nodes/usage
GET _nodes/nodeId1,nodeId2/usage

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

REST actions usage information

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The rest_actions field in the response contains a map of the REST actions classname with a count of the number of times that action has been called on the node:

{
  "_nodes": {
    "total": 1,
    "successful": 1,
    "failed": 0
  },
  "cluster_name": "my_cluster",
  "nodes": {
    "pQHNt5rXTTWNvUgOrdynKg": {
      "timestamp": 1492553961812, 
      "since": 1492553906606, 
      "rest_actions": {
        "org.elasticsearch.rest.action.admin.cluster.RestNodesUsageAction": 1,
        "org.elasticsearch.rest.action.admin.indices.RestCreateIndexAction": 1,
        "org.elasticsearch.rest.action.document.RestGetAction": 1,
        "org.elasticsearch.rest.action.search.RestSearchAction": 19, 
        "org.elasticsearch.rest.action.admin.cluster.RestNodesInfoAction": 36
      }
    }
  }
}

	Timestamp for when this nodes usage request was performed.
	Timestamp for when the usage information recording was started. This is equivalent to the time that the node was started.
	Search action has been called 19 times for this node.

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