tencent cloud

1. API Description

Domain name for API request: as.tencentcloudapi.com.

This API is used to reduce the specified number of instances from the scaling group.

• There is no on going scaling task.
• This API is valid even when the scaling group is disabled. For more details, see DisableAutoScalingGroup.
• You can specify the instances to remove in the scale-in activity by using TerminationPolicies. For more information, see Scaling In Policies.
• Only the IN_SERVICE instances will be reduced. To reduce instances in other statues, use the DetachInstances or RemoveInstances API.
• The desired capacity will be reduced accordingly. The new desired capacity should be no less than the minimum capacity.
• If the scale-in activity failed or partially succeeded, the final desired capacity only deducts the instances that have been reduced successfully.

A maximum of 20 requests can be initiated per second for this API.

2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

3. Output Parameters

4. Example

Example1 This example shows you how to reduce one instance from the scaling group.

Input Example

POST / HTTP/1.1
Host: as.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: ScaleInInstances
&<Common request parameters>

{
    "AutoScalingGroupId": "asg-12yqet78",
    "ScaleInNumber": 1
}

Output Example

{
    "Response": {
        "ActivityId": "asa-n6w01f6m",
        "RequestId": "c0bb46ea-2b47-471c-9099-e20bf7a23078"
    }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

• Tencent Cloud SDK 3.0 for Python
• Tencent Cloud SDK 3.0 for Java
• Tencent Cloud SDK 3.0 for PHP
• Tencent Cloud SDK 3.0 for Go
• Tencent Cloud SDK 3.0 for Node.js
• Tencent Cloud SDK 3.0 for .NET
• Tencent Cloud SDK 3.0 for C++

Command Line Interface

• Tencent Cloud CLI 3.0

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.