Modifying DB Instance Specifications

Function

This API is used to change DB instance specifications. Before calling this API:

This API will be unavailable on March 31, 2025. You are advised to switch workloads to the new API (Changing DB Instance Specifications) before then.

Learn how to authorize and authenticate it.
Obtain the required region and endpoint.

URI

URI format
POST https://{endpoint}/mysql/v3/{project_id}/instances/{instance_id}/action
Example
POST https://{endpoint}/mysql/v3/97b026aa9cc4417888c14c84a1ad9860/instances/c3ec2c6148ad4d71b1a8411a62df0d3cin07/action

Parameter description

**Table 1** Parameter description
Name	Type	Mandatory	Description
project_id	String	Yes	Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID.
instance_id	String	No	DB instance ID.

Request

**Table 2** Parameter description
Name	Type	Mandatory	Description
resize_flavor	Object	Yes	For details, see Table 3.
is_auto_pay	String	No	Whether the order will be automatically paid when the specifications of yearly/monthly instances are changed. true: indicates the order will be automatically paid from your account. The default value is true. false: indicates the order will be manually paid.

**Table 3** resize_flavor field data structure description
Name	Type	Mandatory	Description
spec_code	String	Yes	Specification code.

Request example

{
  "resize_flavor": {
     "spec_code":"gaussdb.large.4"
  }
}

Response

Normal response

**Table 4** Parameter description
Name	Type	Description
job_id	String	Job ID for changing DB instance specifications. This parameter is returned only when you change the specifications of a pay-per-use DB instance.
order_id	String	Order ID for changing DB instance specifications. This parameter is returned only when you change the specification of a yearly/monthly DB instance.

Example normal response

{
"job_id": "0f6b6a9e-bd39-4e95-9374-e4d134e5a3d1"
}

Example Request

Changing instance specifications

POST https://{endpoint}/mysql/v3/97b026aa9cc4417888c14c84a1ad9860/instances/ba62a0b83a1b42bfab275829d86ac0fdin07/action
{
  "resize_flavor" : {
    "spec_code" : "taurus.large.4"
  }
}