Amazon Fargate Quick Start Guide

Step scaling policies

In the Target tracking scaling policies section, it is mentioned that if insufficient data is available, step scaling policies could be used. To elaborate on this, a CloudWatch alarm could be set to be invoked when a metric state is INSUFFICIENT_DATA. Such a policy is called a Step Scaling Policy. All step scaling policies make use of CloudWatch alarms. CloudWatch alarms can be set to be invoked when a specific CloudWatch metric (CPU utilization or memory utilization) exceeds or goes below a set threshold. As an example, during high use of an application, these metrics are likely to increase and CloudWatch alarms could be set to increase the number of tasks. Similarly, during times of low application load, these metrics ...