tencent cloud



Last updated: 2024-01-09 10:47:30

    1. API Description

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

    This API is used to terminate cluster nodes.

    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 No String Common Params. This parameter is not required for this API.
    InstanceId Yes String The instance ID.
    CvmInstanceIds.N Yes Array of String The list of resources to be terminated.
    NodeFlag Yes String Valid values of node type:

  • TASK

  • CORE

  • GraceDownFlag No Boolean The graceful scale-in feature. Valid values:
  • true: Enabled.

  • false: Disabled.
  • GraceDownTime No Integer The graceful scale-in wait time in seconds. Value range: 60–1800.

    3. Output Parameters

    Parameter Name Type Description
    FlowId Integer The scale-in process ID.
    RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

    4. Example

    Example1 Terminating cluster nodes

    This example shows you how to terminate cluster nodes.

    Input Example

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

    Output Example

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

    5. Developer Resources


    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 Incorrect node type.
    InvalidParameter.InvalidResourceIds Invalid resource ID.
    ResourceInUse.InstanceInProcess The instance is under workflow.
    ResourceNotFound.CvmInstanceNotFound Unable to find the specified CVM instance.
    ResourceNotFound.InstanceNotFound The instance was not found.
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