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.
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: DescribeDefaultParams. |
Version | Yes | String | Common Params. The value used for this API: 2017-03-20. |
Region | No | String | Common Params. This parameter is not required for this API. |
EngineVersion | Yes | String | Engine version. Currently, the supported versions are 5.1 , 5.5 , 5.6 , 5.7 , and 8.0 . |
TemplateType | No | String | Type of the default parameter template. Valid values: HIGH_STABILITY (high-stability template), HIGH_PERFORMANCE (high-performance template). |
EngineType | No | String | Parameter template engine. Default value: InnoDB . |
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. |
This example shows you how to query the list of default configurable parameters.
https://cdb.tencentcloudapi.com/?Action=DescribeDefaultParams
&EngineVersion=5.7
&<Common request parameters>
{
"Response": {
"TotalCount": 2,
"RequestId": "92131c95-aa65-44db-8c3c-e8cd67883b58",
"Items": [
{
"CurrentValue": "utf8",
"Default": "LATIN1",
"Description": "Specify default server character set",
"EnumValue": [
"LATIN1",
"UTF8",
"GBK",
"UTF8MB4"
],
"Max": 0,
"MaxFunc": "",
"Min": 0,
"MinFunc": "",
"Name": "character_set_server",
"NeedReboot": 1,
"ParamType": "enum"
},
{
"CurrentValue": "1600",
"Default": "{MIN(DBInitMemory/4+500,1000000)}",
"Description": "The maximum permitted number of simultaneous client connections.",
"EnumValue": [],
"Max": 100000,
"MaxFunc": "100000",
"Min": 1,
"MinFunc": "1",
"Name": "max_connections",
"NeedReboot": 0,
"ParamType": "func"
}
]
}
}
TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.
The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.
Error Code | Description |
---|---|
AuthFailure | CAM signature/authentication error. |
CdbError | Backend or process error. |
InternalError.DatabaseAccessError | Internal database error. |
InternalError.ParamError | Parameter error |
InternalError.UnknownError | Unknown error |
InvalidParameter | Parameter error. |
InvalidParameterValue.InvalidParameterValueError | Invalid parameter value |
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