原英文版地址: https://www.elastic.co/guide/en/elasticsearch/reference/7.7/cluster-nodes-usage.html, 原文档版权归 www.elastic.co 所有
本地英文版地址: ../en/cluster-nodes-usage.html
本地英文版地址: ../en/cluster-nodes-usage.html
重要: 此版本不会发布额外的bug修复或文档更新。最新信息请参考 当前版本文档。
Nodes feature usage APIedit
Returns information on the usage of features.
Requestedit
GET /_nodes/usage
GET /_nodes/<node_id>/usage
GET /_nodes/usage/<metric>
GET /_nodes/<node_id>/usage/<metric>
Descriptionedit
The cluster nodes usage API allows you to retrieve information on the usage of features for each node. All the nodes selective options are explained here.
Path parametersedit
-
<metric> -
(Optional, string) Limits the information returned to the specific metrics. A comma-separated list of the following options:
-
_all - Returns all stats.
-
rest_actions - Returns the REST actions classname with a count of the number of times that action has been called on the node.
-
-
<node_id> - (Optional, string) Comma-separated list of node IDs or names used to limit returned information.
Query parametersedit
-
master_timeout -
(Optional, time units) Specifies the period of time to wait for
a connection to the master node. If no response is received before the timeout
expires, the request fails and returns an error. Defaults to
30s. -
timeout -
(Optional, time units) Specifies the period of time to wait for
a response. If no response is received before the timeout expires, the request
fails and returns an error. Defaults to
30s.
Examplesedit
Rest action example:
GET _nodes/usage
The API returns the following response:
{
"_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
}
}
}
}