Queries the information of all the nodes in an Elasticsearch cluster.

Debugging

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Request parameters

This operation uses only common request headers. For more information, see Common request parameters.

Request syntax

GET /openapi/instances/[InstanceId]/nodes HTTP/1.1

Request parameters

Parameter Type Location Required Example Description
InstanceId String Path Yes es-cn-tl32cpgwa002l****

The ID of the instance.

extended Boolean Query No false

Specifies whether to return the monitoring information of the node. Valid values:

  • true (default): returns.
  • false: does not return the command outputs.

Response parameters

Parameter Type Example Description
RequestId String 0D71B597-F3FF-5B56-88D7-74F9D3F7****

The ID of the request.

Result Array of Result

The return results.

cpuPercent String 4.2%

The CPU utilization.

diskUsedPercent String 1.0%

The disk usage.

health String GREEN

The health status of the node. Supported: GREEN, YELLOW, RED, and GRAY.

heapPercent String 21.6%

JVM memory.

host String 10.15.XX.XX

The IP address of the node.

loadOneM String 0.12

One-minute load.

nodeType String WORKER

The type of the nodes. Valid values:

  • MASTER: dedicated master node
  • WORKER: hot node
  • WORKER_WARM: cold node
  • COORDINATING: coordination node
  • KIBANA:Kibana node
port Integer 9200

The access port of the node.

zoneId String cn-hangzhou-i

The zone where the node resides.

Examples

Sample requests

GET /openapi/instances/es-cn-tl32cpgwa002l****/nodes HTTP/1.1
Common request headers

Sample success responses

JSON format 

{
    "Result": [
        {
            "nodeType": "WORKER",
            "host": "10.15.XX.XX",
            "port": 9200,
            "zoneId": "cn-hangzhou-i",
            "heapPercent": "21.6%",
            "cpuPercent": "4.2%",
            "loadOneM": "0.12",
            "diskUsedPercent": "1.0%",
            "health": "GREEN"
        },
        {
            "nodeType": "WORKER",
            "host": "10.15.XX.XX",
            "port": 9200,
            "zoneId": "cn-hangzhou-i",
            "heapPercent": "23.3%",
            "cpuPercent": "3.6%",
            "loadOneM": "0.04",
            "diskUsedPercent": "1.0%",
            "health": "GREEN"
        },
        {
            "nodeType": "WORKER",
            "host": "10.15.XX.XX",
            "port": 9200,
            "zoneId": "cn-hangzhou-i",
            "heapPercent": "18.3%",
            "cpuPercent": "2.7%",
            "loadOneM": "0.08",
            "diskUsedPercent": "1.0%",
            "health": "GREEN"
        },
        {
            "nodeType": "KIBANA",
            "host": "10.15.XX.XX",
            "port": 5601,
            "zoneId": "cn-hangzhou-i",
            "health": "GREEN"
        }
    ],
    "RequestId": "0D71B597-F3FF-5B56-88D7-74F9D3F7****"
}

Error codes

For a list of error codes, visit the API Error Center.