Amazon Elastic MapReduce (EMR) is a cloud-native big data platform that gives teams the power to process massive amounts of data quickly while keeping spending down. It plays well with other open source tools, and is built with AWS EC2 and S3 for reliability at scale.
If a cluster that should be working is slacking off, you should know.
Identify corrupt blocks before they cause issues.
Last successful backup
Make sure you don't lose any data to failed backups.