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DescribeDefaultParams

Last updated: 2020-03-23 14:59:09

1. API Description

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

This API (DescribeDefaultParams) is used to query the list of default configurable parameters.

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

Note: This API supports Finance regions. If the common parameter Region is a Finance region, a domain name with the Finance region needs to be specified, for example: cdb.ap-shanghai-fsi.tencentcloudapi.com

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 parameter. The value used for this API: DescribeDefaultParams.
Version	Yes	String	Common parameter. The value used for this API: 2017-03-20.
Region	Yes	String	Common parameter. For more information, please see the list of regions supported by the product.
EngineVersion	Yes	String	MySQL version. Currently, the supported versions are ["5.1", "5.5", "5.6", "5.7"].

3. Output Parameters

Parameter Name	Type	Description
TotalCount	Integer	Number of parameters
Items	Array of ParameterDetail	Parameter details.
RequestId	String	The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Querying the List of Default Configurable Parameters

Input Example

https://cdb.tencentcloudapi.com/?Action=DescribeDefaultParams
&EngineVersion=5.7
&<common request parameters>

Output Example

{
  "Response": {
    "TotalCount": 2,
    "RequestId": "92131c95-aa65-44db-8c3c-e8cd67883b58",
    "Items": [
      {
        "CurrentValue": "800",
        "Name": "max_connections",
        "Min": 1,
        "Default": "151",
        "Max": 10240,
        "ParamType": "integer",
        "EnumValue": [],
        "NeedReboot": 0,
        "Description": "The maximum permitted number of simultaneous client connections."
      },
      {
        "CurrentValue": "utf8",
        "Name": "character_set_server",
        "Min": 0,
        "Default": "utf8",
        "Max": 0,
        "ParamType": "enum",
        "EnumValue": [
          "utf8",
          "utf8mb4",
          "gbk",
          "latin1"
        ],
        "NeedReboot": 1,
        "Description": "Specify default server character set."
      }
    ]
  }
}

5. Developer Resources

API Explorer

This tool allows online call, signature authentication, SDK code generation and quick search of APIs to greatly improve the efficiency of using TencentCloud APIs.