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InitDCDBInstances

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Última atualização: 2025-10-24 14:51:09

1. API Description

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

This API is used to initialize instances, including setting the default character set and table name case sensitivity.

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: InitDCDBInstances.
Version	Yes	String	Common Params. The value used for this API: 2018-04-11.
Region	No	String	Common Params. This parameter is not required for this API.
InstanceIds.N	Yes	Array of String	List of IDs of instances to be initialized. The ID is in the format of `dcdbt-ow728lmc` and can be obtained through the `DescribeDCDBInstances` API.
Params.N	Yes	Array of DBParamValue	Parameter list. Valid values: character_set_server (character set; required); lower_case_table_names (table name case sensitivity; required; 0: case-sensitive, 1: case-insensitive); innodb_page_size (InnoDB data page; default size: 16 KB); sync_mode (sync mode; 0: async; 1: strong sync; 2: downgradable strong sync; default value: strong sync).

3. Output Parameters

Parameter Name	Type	Description
FlowIds	Array of Integer	Async task ID. The task status can be queried through the `DescribeFlow` API.
InstanceIds	Array of String	Passed through from input parameters.
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 Initializing TencentDB instances in batches

Input Example

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

{
    "Params": [
        {
            "Value": "16384",
            "Param": "innodb_page_size"
        },
        {
            "Value": "1",
            "Param": "lower_case_table_names"
        },
        {
            "Value": "utf8",
            "Param": "character_set_server"
        }
    ],
    "InstanceIds": [
        "dcdbt-avw0207d",
        "dcdbt-fdpjf5zh"
    ]
}

Output Example

{
    "Response": {
        "RequestId": "d94ef093-ff84-4851-b2e0-a5c5920d618e",
        "InstanceIds": [
            "dcdbt-fdpjf5zh",
            "dcdbt-avw0207d"
        ],
        "FlowIds": [
            3340,
            3341
        ]
    }
}

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
InternalError.CamAuthFailed	CAM authentication request failed.
InternalError.DbOperationFailed	Failed to query the database.
InternalError.InnerSystemError	Internal system error.
InvalidParameter.GenericParameterError	An error occurred while verifying parameter validity.
InvalidParameterValue.IllegalInitParam	An error occurred while initializing database instance parameters.
InvalidParameterValue.SyncModeNotAllowed	The deployment mode does not support setting the sync mode.
ResourceUnavailable.BadInstanceStatus	Incorrect instance status. Unable to initialize.
ResourceUnavailable.InstanceStatusAbnormal	Incorrect database instance status. Operations are not allowed.
UnauthorizedOperation.PermissionDenied	You have no permission to manipulate this API or resource.

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