Help Center/ TaurusDB/ API Reference/ Historical APIs/ Instance Management/ Changing DB Instance Specifications
Updated on 2026-03-16 GMT+08:00
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Changing DB Instance Specifications

Function

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

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.
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"
  }
}

Example Request

Changing instance specifications

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

Example Response

None

Status Code

For details, see Status Codes.

Error Code

For details, see Error Codes.

Parent topic: Instance Management