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I've been playing around with AWS EMR and I now have a few clusters that are terminated and that I want to delete:
However, there is no obvious option to delete them. How do I make them go away?
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At this time there is not a way to STOP and EMR cluster in the same sense you can with EC2 instances. The EMR cluster uses instance-store volumes and the EC2 start/stop feature relies on the use of EBS volumes which are not appropriate for high-performance, low-latency HDFS utilization.
They stay around for 60 days which is now documented here: https://docs.aws.amazon.com/emr/latest/ManagementGuide/emr-manage-view-clusters.html
Amazon EMR saves metadata about terminated clusters for your reference for two months, after which the metadata is deleted.
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