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Target Tracking Scaling Policy Of Auto Scaling Groups In AWS

In this article, we will discuss the target tracking scaling policy of auto scaling groups in AWS.

Purpose

In the target tracking scaling policy, you can specify the metrics and its target value. If the target value of the metrics is reached, an instance is added in the autoscaling group.

Creation Of Target Tracking Policy

While creating the autoscaling group, you can specify the target tracking scaling policy in the "Configure group size and scaling policies" step.

Picture showing select the metric as Average CPU utilization for Target tracking of autoscaling group

Click to Enlarge

Here the "seconds warm up before including in metric" specifies the time (in seconds) after which EC2 instance will be added, if the target value of the metrics is reached.

Let us assume that you have specified 300 seconds as a warm up period. So, if the target value of the metrics is reached then an EC2 instance is added after 300 seconds.

Posted By -	Karan Gupta

Posted On -	Thursday, February 17, 2022

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