ambari/ambari-server/docs/api/v1/components-component.md

View Component Information

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Refers to a specific component identified by ":componentName" for a given service.

GET /clusters/:name/services/:serviceName/components/:componentName

Response

200 OK
{
"href" : "http://your.ambari.server/api/v1/clusters/MyCluster/services/HDFS/components/DATANODE",
"metrics" : {
  "rpc" : {
    ...
  },
  "dfs" : {
    "datanode" : {
      ...
    }
  },
  "disk" : {
    ...
  },
  "cpu" : {
    ...
  },
  "jvm" : {
    ...
  },
  "load" : {
    ...
  },
  "memory" : {
    ...
  },
  "network" : {
    ...
  },
},
"ServiceComponentInfo" : {
  "cluster_name" : "MyCluster",
  "component_name" : "DATANODE",
  "service_name" : "HDFS"
},
"host_components" : [
  {
  "href" : "http://your.ambari.server/api/v1/clusters/MyCluster/hosts/some.cluster.host/host_components/DATANODE",
  "HostRoles" : {
    "cluster_name" : "MyCluster",
    "component_name" : "DATANODE",
    "host_name" : "some.cluster.host"
    }
  } ]
}