Call ListAllNode to query the information about all nodes in the cluster.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request header

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

Request syntax

GET /openapi/instances/[InstanceId]/nodes HTTPS|HTTP

Request parameters

Parameter Type Required Example Description
InstanceId String Yes es-cn-n6w1o1x0w001c****

The ID of the instance.

Response parameters

Parameter Type Example Description
RequestId String F99407AB-2FA9-489E-A259-40CF6DCC****

The ID of the request.

Result Array of Result

The return results.

cpuPercent String 4.1%

The CPU usage.

diskUsedPercent String 2.0%

The disk usage.

health String GREEN

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

heapPercent String 47.9%

The JVM memory.

host String

The IP address of the node.

loadOneM String 0.09

Load per minute.

nodeType String WORKER

The type of the nodes. Valid values:

  • MASTER: dedicated MASTER node
  • WORKER: Hot node
  • WORKER_WARM: warm node
  • COORDINATING: client node
  • KIBANA: Kibana node
port Integer 9200

The node access port.

zoneId String cn-hangzhou-g

The zone where the node is located.


Sample requests

GET /openapi/instances/es-cn-n6w1o1x0w001c****/nodes HTTP/1.1
Common request header

Sample success responses

JSON format

    "Result": [
            "nodeType": "WORKER_WARM",
            "host": "172.16.xx.xx",
            "port": 9200,
            "zoneId": "cn-hangzhou-i",
            "heapPercent": "70.8%",
            "cpuPercent": "4.1%",
            "loadOneM": "0.09",
            "diskUsedPercent": "2.0%",
            "health": "GREEN"
            "nodeType": "WORKER_WARM",
            "host": "172.16.xx.xx",
            "port": 9200,
            "zoneId": "cn-hangzhou-i",
            "heapPercent": "45.0%",
            "cpuPercent": "3.3%",
            "loadOneM": "0.00",
            "diskUsedPercent": "3.0%",
            "health": "GREEN"
            "nodeType": "WORKER",
            "host": "172.16.xx.xx",
            "port": 9200,
            "zoneId": "cn-hangzhou-i",
            "heapPercent": "53.4%",
            "cpuPercent": "3.7%",
            "loadOneM": "0.02",
            "diskUsedPercent": "1.0%",
            "health": "GREEN"
    "RequestId": "76387A8A-5ED9-43B4-AC90-76146209****"

Error codes

HttpCode Error code Error message Description
400 InstanceNotFound The instanceId provided does not exist. The error message returned because the specified instance cannot be found. Check the instance status.

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