Changing DB Instance Specifications
Function
This API is used to change DB instance specifications.
- Before calling this API, learn how to authenticate it.
- Before calling this API, learn about request header parameters.
Constraints
- Services will be interrupted for 5 to 10 minutes when you change DB instance specifications. Exercise caution when performing this operation.
- The new DB instance specifications must be different from the original DB instance specifications.
- The instance specifications can be modified only for DB instances in the Available status.
- The specifications of a DB instance can be changed only to the specifications of the same DB instance type. (For example, the specifications of a single DB instance cannot be changed to those of primary/standby DB instances.)
URI
- URI format
- Parameter description
Table 1 Parameters Parameter
Mandatory
Description
project_id
Yes
Project ID of a tenant in a region.
To obtain the value, see Obtaining a Project ID.
instance_id
Yes
Specifies the DB instance ID.
Request
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
resize_flavor |
Yes |
Object |
For details, see Table 3. |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
spec_code |
Yes |
String |
Specifies the resource specification code. Use rds.mysql.m1.xlarge as an example. rds indicates the RDS product, mysql indicates the DB engine, and m1.xlarge indicates the high memory performance specifications. The parameter containing rr indicates the read replica specifications. The parameter not containing rr indicates the single or primary/standby DB instance specifications. |
Example Request
- Change the specifications of an RDS for MySQL DB instance to rds.mysql.m1.xlarge.
{ "resize_flavor": { "spec_code": "rds.mysql.m1.xlarge" } }
- Change the specifications of an RDS for PostgreSQL DB instance to rds.pg.c2.medium.ha.
{ "resize_flavor": { "spec_code": "rds.pg.c2.medium.ha" } }
Response
- Normal response
Table 4 Parameters Parameter
Type
Description
job_id
String
Indicates the job ID.
- Example normal response
{ "job_id": "2b414788a6004883a02390e2eb0ea227" }
- Abnormal response
For details, see Abnormal Request Results.
Status Code
- Normal
- Abnormal
For details, see Status Codes.
Error Code
For details, see Error Codes.
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