Querying Storage Usage of a DB Instance

Function

This API is used to query storage usage of a DB instance.

• Before calling this API, learn how to authenticate it.
• Before calling this API, learn about request header parameters.

Constraints

This API is available only for the MySQL and SQL Server DB engines.

To query the storage usage of an RDS for PostgreSQL instance, you can call the API for querying DB instances and check the value of the response parameter storage_used_space.

URI

• URI format

  GET /v3/{project_id}/instances/{instance_id}/storage-used-space

• Parameter description

  Table 1 Parameters

  Parameter	Mandatory	Description
  project_id	Yes	Definition Project ID of a tenant in a region. To obtain the value, see Obtaining a Project ID. Constraints N/A Range N/A Default Value N/A
  instance_id	Yes	Definition ID of the instance to be queried. Constraints N/A Range N/A Default Value N/A

Request

• Request parameters

  None

• URI example

  GET https://{Endpoint}/v3/0483b6b16e954cb88930a360d2c4e663/instances/314958daf6904c478d17c642ac209abbin01/storage-used-space

Response

• Normal response

  Table 2 Parameters

  Parameter	Type	Description
  node_id	String	Definition Instance node ID. Range N/A
  used	String	Definition Used storage, in GB. Range N/A

• Example normal response

  {
    "node_id" : "0314958daf6904c478d17c642ac209abbin01",
    "used" : "14.21"
  }

• Abnormal response

  For details, see Abnormal Request Results.

Status Code

• Normal

  200

• Abnormal

  For details, see Status Codes.

Error Code

For details, see Error Codes.