Domain name for API request: cdb.intl.tencentcloudapi.com.
This API is used to query the minimum specification of a read-only instance that can be purchased or upgraded to.
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: DescribeRoMinScale. |
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. |
RoInstanceId | No | String | Read-only instance ID in the format of "cdbro-c1nl9rpv". Its value is the same as the instance ID in the TencentDB Console. This parameter and the MasterInstanceId parameter cannot both be empty. |
MasterInstanceId | No | String | Primary instance ID in the format of "cdbro-c1nl9rpv". Its value is the same as the instance ID in the TencentDB Console. This parameter and the RoInstanceId parameter cannot both be empty. Note: when the parameters are passed in with RoInstanceId , the return value refers to the minimum specification to which a read-only instance can be upgraded; when the parameters are passed in with MasterInstanceId but without RoInstanceId , the return value refers to the minimum purchasable specification for a read-only instance. |
Parameter Name | Type | Description |
---|---|---|
Memory | Integer | Memory size in MB. |
Volume | Integer | Disk size in GB. |
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. |
POST / HTTP/1.1
Host: cdb.intl.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: DescribeRoMinScale
<Common request parameters>
{
"RoInstanceId": "cdbro-831kwfnh",
"MasterInstanceId": "cdb-r66ityd5"
}
{
"Response": {
"RequestId": "6EF60BEC-0242-43AF-BB20-270359FB54A7",
"Volume": 50,
"Memory": 1000
}
}
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 |
---|---|
InternalError.DBRecordNotExistError | The database record does not exist. |
InternalError.DatabaseAccessError | Internal database error. |
InternalError.UnknownError | Unknown error |
InvalidParameter | Parameter error. |
InvalidParameter.InstanceNotFound | The instance does not exist. |
MissingParameter.MissingParamError | Required parameters are missing. |
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