Querying an Autoscaling Policy

Function

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

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

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

Error Code

For details, see Error Codes.