Help Center> Data Lake Insight> API Reference> APIs Related to Elastic Resource Pools> Viewing Scaling History of an Elastic Resource Pool
Updated on 2023-07-31 GMT+08:00

Viewing Scaling History of an Elastic Resource Pool

Function

This API is used to view scaling history of an elastic resource pool.

URI

GET /v3/{project_id}/elastic-resource-pools/{elastic_resource_pool_name}/scale-records

Table 1 URI parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID, which is used for resource isolation. For details about how to obtain its value, see Obtaining a Project ID.

elastic_resource_pool_name

Yes

String

Elastic resource pool name

The value can contain 1 to 128 characters.

Table 2 query parameters

Parameter

Mandatory

Type

Description

start_time

No

Long

Start time of the historical scaling records you want to query. The time must be 30 days earlier than the current time and earlier than the end_time. The value is a UNIX timestamp in milliseconds.

  • If start_time is left empty, data generated in the recent seven days before end_time will be queried. The end_time cannot be later than 30 days after the current time.
  • If both start_time and end_time are left empty, data generated in the recent 15 days before the current time will be queried.

end_time

No

Long

End time of the historical scaling records. The value cannot be earlier than the start_time or later than the current time. The value is a UNIX timestamp in milliseconds.

  • If end_time is left empty, data generated since the start_time will be queried.
  • If both start_time and end_time are left empty, data generated in the recent 15 days before the current time will be queried.

status

No

String

Scaling status

Enumerated values:

  • success
  • fail

offset

No

Integer

Offset

Minimum value: 0

limit

No

Integer

Number of records displayed on a page

Minimum value: 0

Maximum value: 100

Request

None

Response

Table 3 Response body parameters

Parameter

Type

Description

count

Integer

Number of elements in the array

items

Array of arrays

Data returned in the array For details, see Table 4.

Table 4 items parameters

Parameter

Type

Description

max_cu

Integer

Maximum number of CUs

min_cu

Integer

Minimum number of CUs

current_cu

Integer

Scaled number of CUs

origin_cu

Integer

Original number of CUs

target_cu

Integer

Target number of CUs

record_time

Long

Operation completion time

status

String

Scaling status, which can be success or failure

fail_reason

String

Failure cause

Example Request

GET https://{endpoint}/v3/{project_id}/elastic-resource-pools/{elastic_resource_pool_name}/scale-records?start_time=1650784624000&end_time=1652625304002&status=&limit=20&offset=1  

Example Response

The following is an example for a successful query:

{ 
  "count" : 1, 
  "items" : [ { 
    "max_cu" : 64, 
    "min_cu" : 16, 
    "current_cu" : 16, 
    "target_cu" : 16, 
    "origin_cu" : 16, 
    "record_time" : 1650784624000, 
    "status" : "fail", 
    "fail_reason" : "Internal error, please contact technical support." 
  } ] 
}

Status Codes

Status Code

Description

200

OK

Error Codes

For details, see Error Codes.