Description
Changes the instance type or storage space configuration. The following conditions must be met:
The instance is running.
The instance is not currently performing a backup task.
Either the instance type or storage space must be specified.
When downgrading the disk space configuration, ensure that the input disk space is no less than 1.1 times the actually used space.
Currently, only regular and read-only instances allow for 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 | Postpaid. |
| DBInstanceClass | String | No | For details, refer to the Appendix. |
| DBInstanceStorage | Integer | No | User-defined storage space. Value range: [5, 2000] for MySQL, [10, 2000] for SQLServer, and [5, 2000] for PostgreSQL and PPAS. 5 GB increments. |
Return parameters
| Name | Type | Description |
|---|---|---|
| <Public Return Parameters> | - | For details, refer to the Appendix. |
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 "}