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DescribeRoMinScale
Last updated: 2024-11-20 11:14:59
1. API Description
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.
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: 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. |
3. Output Parameters
| 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. |
4. Example
Example1 Querying the minimum specification of a read-only instance which can be purchased or upgraded to
Input Example
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"
}
Output Example
{
"Response": {
"RequestId": "6EF60BEC-0242-43AF-BB20-270359FB54A7",
"Volume": 50,
"Memory": 1000
}
}
5. Developer Resources
SDK
TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.
- Tencent Cloud SDK 3.0 for Python
- Tencent Cloud SDK 3.0 for Java
- Tencent Cloud SDK 3.0 for PHP
- Tencent Cloud SDK 3.0 for Go
- Tencent Cloud SDK 3.0 for Node.js
- Tencent Cloud SDK 3.0 for .NET
- Tencent Cloud SDK 3.0 for C++
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 |
|---|---|
| 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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