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, Microsoft SQL Server and RDS for PostgreSQL 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