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TerminateClusterNodes

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最終更新日: 2026-10-10 14:59:08

1. API Description

Domain name for API request: emr.intl.tencentcloudapi.com.

This API is used to terminate a cluster node.

A maximum of 20 requests can be initiated per second for this API.

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2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common Params. The value used for this API: TerminateClusterNodes.
Version Yes String Common Params. The value used for this API: 2019-01-03.
Region Yes String Common Params. For more information, please see the list of regions supported by the product.
InstanceId Yes String Instance ID.
CvmInstanceIds.N Yes Array of String List of terminated resources.
NodeFlag Yes String Valid values of the node type to be terminated:
  • MASTER

  • TASK

  • CORE

  • ROUTER
  • GraceDownFlag No Boolean Graceful scale-in switch.
  • true: enable

  • false: disable
  • GraceDownTime No Integer Graceful scale-in waiting time. Value range: 60–1800, in seconds.

    3. Output Parameters

    Parameter Name Type Description
    FlowId Integer Scale-in flow ID.
    RequestId String The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

    4. Example

    Example1 Terminating a Cluster Node

    This example shows you how to terminate a cluster node.

    Input Example

    POST / HTTP/1.1
    Host: emr.intl.tencentcloudapi.com
    Content-Type: application/json
    X-TC-Action: TerminateClusterNodes
    <Common request parameters>
    
    {
        "InstanceId": "emr-4zvc5mul",
        "CvmInstanceIds": [
            "ins-42u6moui"
        ],
        "NodeFlag": "MASTER",
        "GraceDownTime": 0,
        "GraceDownFlag": true
    }

    Output Example

    {
        "Response": {
            "FlowId": 1000,
            "RequestId": "4d701c1e-8507-47e1-8c69-a8f06a236f24"
        }
    }

    5. Developer Resources

    SDK

    TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

    Command Line Interface

    6. Error Code

    The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

    Error Code Description
    InvalidParameter.InvalidNodeFlag Illegal node type.
    InvalidParameter.InvalidResourceIds Invalid resource ID.
    ResourceInUse.InstanceInProcess The instance is in process.
    ResourceNotFound.CvmInstanceNotFound The specified CVM instance cannot be found.
    ResourceNotFound.InstanceNotFound The instance cannot be found.

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