Description
Change the type or storage space of Pay-As-You-Go instances.
To use this interface, the following conditions must be met:
The instance is running.
The instance is not performing a backup task.
Either the instance type (DBInstanceClass) or storage space (DBInstanceStorage) parameter must be specified in the request.
When downgrading the disk space configuration, make sure that the input disk space is no less than 1.1 times the actually used space.
Currently, only regular and read-only instances allow configuration changes. Configurations cannot be changed for disaster recovery and temporary instances.
Request parameters
| Name | Type | Required | Description |
|---|---|---|---|
| Action | String | Yes | Required parameter. Value: ModifyDBInstanceSpec. |
| DBInstanceId | String | Yes | Instance to be upgraded/downgraded. |
| PayType | String | Yes | Billing method. Its value is Postpaid, which means the Pay-As-You-Go instance. |
| DBInstanceClass | String | No | Instance type. For more information, see Instance type table. |
| DBInstanceStorage | Integer | No | User-defined storage space. The value range is as follows and the value must be an integer multiple of 5:
|
Return parameters
| Name | Type | Description |
|---|---|---|
| <Public Return Parameters> | - | For more information, see Public parameters. |
Example
Request example
https://rds.aliyuncs.com/?Action=ModifyDBInstanceSpec&DBInstanceId=rdsaiiabnaiiabn&PayType=Postpaid&DBInstanceStorage=10&<Public Request Parameters>
Return example
XML format:
<ModifyDBInstanceSpecResponse><RequestId>3C5CFDEE-F774-4DED-89A2-1D76EC63C575</RequestId></ModifyDBInstanceSpecResponse>
JSON format:
{"RequestId": " 3C5CFDEE-F774-4DED-89A2-1D76EC63C575 "}