doc-exports/docs/rds/api-ref/rds_05_0027.html

Querying an Autoscaling Policy

Function

This API is used to query the storage autoscaling policy of a DB instance.

• Before calling an API, you need to understand the API in Authentication.
• Before calling this API, obtain the required region and endpoint.

Constraints

• This API is only available to RDS for MySQL instances whose storage type is cloud SSDs or extreme SSDs and storage space is at least 40 GB.

URI

• URI format

  GET /v3/{project_id}/instances/{instance_id}/disk-auto-expansion

• Parameter description

  Table 1 Parameters

  Parameter	Mandatory	Description
  project_id	Yes	Project ID of a tenant in a region. For details about how to obtain the project ID, see Obtaining a Project ID.
  instance_id	Yes	Instance ID.

Request

• Parameter description

  None

• URI example

  GET https://rds.eu-de.otc.t-systems.com/v3/054e292c9880d4992f02c0196d3ea468/instances/3d39c18788b54a919bab633874c159dfin011/disk-auto-expansion

Response

• Normal response

  Table 2 Parameters

  Parameter	Type	Description
  switch_option	Boolean	Whether autoscaling is enabled. true: Enabled. false: Disabled.
  limit_size	Integer	Upper limit for autoscaling, in GB.
  trigger_threshold	Integer	Threshold to trigger autoscaling. If the available storage drops to this threshold or 10 GB, autoscaling is triggered.

• Example normal response

  { 
    "switch_option" : true,
    "limit_size" : 4000,
    "trigger_threshold" : 10
  }

• 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.

Parent topic: DB Instance Management