Scales out or in an application that is deployed in a Container Service for Kubernetes (ACK) cluster.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request headers

This operation uses only common request headers. For more information, see the topic about common request parameters.

Request syntax

PUT /pop/v5/k8s/acs/k8s_apps HTTP/1.1

Request parameters

Parameter Type Position Required Example Description
AppId String Query Yes 23bf94d9-****-4994-****-616a827aa777

The ID of the application. You can call the ListApplication operation to query the application ID.

Replicas Integer Query Yes 2

The expected number of instances for the application after the scaling operation. The minimum number is 0.

Timeout Integer Query No 60

The timeout interval of the change process. Unit: seconds.

Response parameters

Parameter Type Example Description
ChangeOrderId String 9d7232b2-****-****-b9d9-7e17695779ab

The ID of the change process. You can call the GetChangeOrderInfo operation to query the progress of this scaling operation.

Code Integer 200

The HTTP status code.

Message String success

The returned message that indicates whether the request is successful.

RequestId String a5281053-08e4-47a5-b2ab-5c0323de7b5a

The ID of the request.


Sample requests

PUT /pop/v5/k8s/acs/k8s_apps HTTP/1.1
Common request headers
"AppId": "23bf94d9-****-4994-****-616a827aa777",
"Replicas": "2"

Sample success responses

XML format


JSON format

    "RequestId": "a5281053-08e4-47a5-b2ab-5c0323de7b5a",
    "Message": "success",
    "ChangeOrderId": "9d7232b2-****-****-b9d9-7e17695779ab",
    "Code": 200

Error codes

For a list of error codes, visit the API Error Center.