EMR - Summary
The Hadoop Overview page lists the EMR clusters in a particular region. Clicking on a EMR cluster opens the EMR cluster Summary view.
Summary View consists of an Overview page/ Metrics/ Time Line tabs
Overview
Overview displays the Current Cost for the month. It displays two data series in the chart. The potential cost if Insisive Cloud isnt used and actual cost. It also displays other details such as percentage savings over ondemand instances, Percentage of Spot Instances and number of one demand and spot instances.
Metrics
The metrics displays a curated list of cloud watch metrics. These when looked together can give a good indication of any under provisioning or over provisioning of Auto Scaling Group.
EMR does not support Suspend/Resume. In case a cluster is not needed, please terminate the cluster using the 'Delete' Icon.