You can call this operation to scale out an application by adding one or more Elastic Compute Service (ECS) instances.
Description
Debugging
Request headers
This operation only uses common request headers. For more information, see the Common request parameters topic.
Request syntax
POST /pop/v5/changeorder/co_scale_out HTTPS|HTTP
Request parameters
Parameter | Type | Required | Example | Description |
---|---|---|---|---|
AppId | String | Yes | 3616cdca-4f92-4413***************** |
The ID of the application that you want to scale out. You can call the ListApplication operation to query the application ID. |
DeployGroup | String | Yes | 4f1fb6f5-6769-4bd6****************** |
The ID of the instance group to which you want to add ECS instances to scale out the application. You can call the QueryApplicationStatus operation to query the group ID. |
EcuInfo | String | Yes | 8123db90-880f-486f-b*************** |
The ID of the Elastic Compute Unit (ECU) corresponding to the ECS instance that you want to add to scale out the application. Multiple ECU IDs are separated by commas (,). You can call the ListScaleOutEcu operation to query the ECU ID. |
Response parameters
Parameter | Type | Example | Description |
---|---|---|---|
Code | Integer | 200 |
The returned code. |
Message | String | success |
The returned message. |
ChangeOrderId | String | f4208118-7171-4e20-92************ |
The ID of the change process for this operation. You can call the GetChangeOrderInfo operation to query the progress of this operation. |
RequestId | String | D16979DC-4D42-*********************** |
Examples
Sample requests
POST /pop/v5/changeorder/co_scale_out HTTP/1.1
Common request headers
{
"AppId": ""
"DeployGroup": ""
"EcuInfo": ""
}
Sample success responses
JSON
format
{
"Message": "success",
"ChangeOrderId": "f4208118-7171-4e20-92************",
"Code": 200
}
XML
format
<Message>success</Message>
<ChangeOrderId>f4208118-7171-4e20-92************</ChangeOrderId>
<Code>200</Code>
Error codes
For a list of error codes, visit the API Error Center.