Updated on 2026-03-16 GMT+08:00

Querying Historical Records of Auto Scaling

Function

This API is used to query historical records of auto scaling. Before calling this API:

Learn how to authenticate it.
Obtain the required region and endpoint.

URI

GET /v3/{project_id}/instances/{instance_id}/auto-scaling/history

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID. Constraints N/A Range The value contains 32 characters. Only letters and digits are allowed. Default Value N/A
instance_id	Yes	String	Definition Instance ID, which uniquely identifies an instance. Constraints N/A Range The value contains 36 characters with a suffix of in07. Only letters and digits are allowed. Default Value N/A

**Table 2** Query parameters
Parameter	Mandatory	Type	Description
limit	No	String	Definition Number of records to be queried. Constraints The value must be an integer and cannot be a negative number. Range 1–100 Default Value 100
offset	No	String	Definition Index offset. The query starts from the next piece of data indexed by this parameter. Constraints The value must be an integer and cannot be a negative number. Range ≥ 0 Default Value 0

Request Parameters

**Table 3** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	Definition User token. To obtain this value, call the IAM API for obtaining a user token. The value of X-Subject-Token in the response header is the token value. Constraints N/A Range N/A Default Value N/A
X-Language	No	String	Definition Request language type. Constraints N/A Range en-us zh-cn Default Value en-us

Response Parameters

Status code: 200

**Table 4** Response body parameters
Parameter	Type	Description
total_count	String	Definition Total number of scaling records. Range N/A
records	Array of AutoScalingRecordInfo objects	Definition Historical records of auto scaling.

**Table 5** AutoScalingRecordInfo
Parameter	Type	Description
id	String	Definition Record ID. Range N/A
instance_id	String	Definition Instance ID. Range The value contains 36 characters with a suffix of in07. Only letters and digits are allowed.
instance_name	String	Definition Instance name. Range The name must start with a letter and consist of 4 to 64 characters. Only letters (case-sensitive), digits, hyphens (-), and underscores (_) are allowed.
scaling_type	String	Definition Scaling type. Range N/A
original_value	String	Definition Original value. Range N/A
target_value	String	Definition Target value. Range N/A
result	String	Definition Scaling results. Range N/A
create_at	String	Definition Scaling time. Range N/A

Status code: 400

**Table 6** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 500

**Table 7** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Example Request

Querying historical records of auto scaling

GET https://{endpoint}/v3/0483b6b16e954cb88930a360d2c4e663/instances/61a4ea66210545909d74a05c27a7179ein07/auto-scaling/history

Example Response

Status code: 200

Success.

{
  "total_count" : 1,
  "records" : [ {
    "id" : "2f5f3eeb-16c7-4b0c-bd44-4b2968275abe",
    "instance_id" : "94bb6ce031424d02a1c61019d1d2298bin07",
    "instance_name" : "gaussdbformysql-ins01",
    "scaling_type" : "ENLARGE_FLAVOR",
    "original_value" : "gaussdb.mysql.medium.x86.4",
    "target_value" : "gaussdb.mysql.large.x86.4",
    "result" : "SUCCESSFUL",
    "create_at" : "2023-04-30 16:47:40.877"
  } ]
}

Status Code

For details, see Status Codes.

Error Code

For details, see Error Codes.

Parent topic: Instance Management