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SwitchDBInstanceMasterSlave

最后更新时间：2024-11-20 11:14:47

    1. API Description

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

    This API is used for source-to-replica switch.

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

    We recommend you to use API Explorer
    Try it
    API Explorer provides a range of capabilities, including online call, signature authentication, SDK code generation, and API quick search. It enables you to view the request, response, and auto-generated examples.

    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: SwitchDBInstanceMasterSlave.
    Version Yes String Common Params. The value used for this API: 2017-03-20.
    Region Yes String Common Params. For more information, please see the list of regions supported by the product.
    InstanceId Yes String Instance ID
    DstSlave No String Specifies the replica server to switched to. Valid values: first (the first replica server), second (the second replica server). Default value: first. second is valid only for a multi-AZ instance.
    ForceSwitch No Boolean Whether to force the switch. Valid values: True, False (default). If this parameter is set to True, instance data may be lost during the switch.
    WaitSwitch No Boolean Whether to perform the switch during a time window. Valid values: True, False (default). If ForceSwitch is set to True, this parameter is invalid.

    3. Output Parameters

    Parameter Name Type Description
    AsyncRequestId String Async task 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 Performing a source-replica switch

    Input Example

    https://cdb.intl.tencentcloudapi.com/?Action=SwitchDBInstanceMasterSlave
&InstanceId=cdb-xxxxxxxx
&DstSlave=second
&<Common request parameters>

    Output Example

    {
    "Response": {
        "RequestId": "faae8d6a-38fb-44de-988e-5a0e78aba4a7",
        "AsyncRequestId": "6EF60BEC-0242-43AF-BB20-270359FB54A7"
    }
}

    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
    CdbError.DatabaseError Backend database error.
    InternalError.DatabaseAccessError Internal database error.
    InternalError.UnknownError Unknown error
    InvalidParameter.ExceptionParam Parameter exception.
    InvalidParameterValue.InvalidParameterValueError Invalid parameter value
    OperationDenied Operation denied.
    OperationDenied.InstanceStatusError Exceptional instance status
    OperationDenied.InstanceUnsupportedOperateError The instance does not support this operation.
    ResourceNotFound.CdbInstanceNotFoundError The instance cannot be found. Please check whether your instance status is normal.
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