Identify any Amazon Elasticsearch (ES) clusters that appear to be idle and remove them from your account to help lower the cost of your monthly AWS bill. By default, an AWS ES cluster (domain) is considered "idle" when meets the following criteria:
The average CPU Utilization has been less than 2% for the last 7 days.
- The AWS CloudWatch metrics used to detect idle Elasticsearch clusters are:
CPUUtilization - the percentage of CPU resources used for data nodes within the ES cluster (Units: Percentage).
Idle AWS ES clusters represent a good candidate to reduce your monthly AWS costs and avoid accumulating unnecessary usage charges.
To identify any idle ES clusters currently available in your AWS account, perform the following:
Option 1: Delete any AWS Elasticsearch clusters that are currently running in idle mode. To remove the idle ES clusters (domains), perform the following actions:
Option 2: Disable the rule check. If the selected idle Elasticsearch domain (cluster) is needed (its role within your application stack/environment is important), you may want turn off the conformity rule check for the specified AWS ES cluster from the Cloud Conformity console.