ModifySLInstance

Last updated: 2025-11-13 20:48:55

ModifySLInstance

Last updated: 2025-11-13 20:48:55

1. API Description

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

This API is used to resize a Serverless HBase instance.- If the API call is successful, a Serverless HBase instance will be created. If the instance creation request is successful, the RequestID of the request will be returned.- This is an asynchronous API. The operation is not completed immediately when the API call returns. The instance operation result can be viewed by calling DescribeInstancesList to view the StatusDesc status of the current instance.

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: ModifySLInstance.
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. This API only supports: ap-beijing, ap-chongqing, ap-guangzhou, ap-jakarta, ap-nanjing, ap-shanghai, ap-singapore, eu-frankfurt.
InstanceId	Yes	String	Instance unique identifier (string).
Zone	Yes	String	Region name to be changed.
NodeNum	Yes	Integer	Target node count after configuration change in this region. The total number of nodes across all regions should be greater than or equal to 3 and less than or equal to 50.
ClientToken	No	String	The unique random identifier with a time efficiency of 5 minutes, which needs to be specified by the caller to prevent the client from creating resources repeatedly. For example: a9a90aa6---****-fae360632808.

3. Output Parameters

Parameter Name	Type	Description
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 Resizing a Serverless HBase Instance

This example shows you how to resize a Serverless HBase instance.

Input Example

POST / HTTP/1.1
Host: emr.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: ModifySLInstance
<Common request parameters>

{
    "InstanceId": "emr-3o9tms4i",
    "Zone": "ap-guangzhou-6",
    "NodeNum": 2
}

Output Example

{
    "Response": {
        "RequestId": "7837b979-fcc2-4bfb-b81b-88a532345b82"
    }
}

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

Tencent Cloud CLI 3.0

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
FailedOperation	Operation failed.
FailedOperation.RefundCvmFailed	Operation failed.
InternalError	Internal error.
InternalError.CamCgwError	An error occurred while calling another service API.
InternalError.CvmError	An error occurred while calling another service API.
InvalidParameter	Invalid parameter.
InvalidParameter.InvalidAppId	Invalid `AppId`.
InvalidParameter.InvalidInstanceName	Invalid cluster name.
InvalidParameter.InvalidNodeCount	Illegal node count.
InvalidParameter.InvalidPaymode	Invalid billing mode.
InvalidParameter.InvalidZone	Invalid AZ.
ResourceInUse.InstanceInProcess	The instance is under workflow.
ResourceNotFound.InstanceNotFound	The instance was not found.
ResourceUnavailable.ResourceSpecNotExist	The resource specification does not exist.
UnauthorizedOperation.CheckCamAuth	Unauthorized operation.
UnsupportedOperation.ServiceNotSupport	This operation is not supported.

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