Release: Amazon Elastic MapReduce on 2012-01-31
This release of Amazon Elastic MapReduce includes support for Amazon CloudWatch metrics.
Support for Amazon CloudWatch metrics
Amazon Elastic MapReduce now records metrics and displays them in the Amazon EMR
console and in the Amazon CloudWatch console. Using Amazon CloudWatch, you can set alarms to warn you if a metric goes outside of parameters
you specify. For more information, go to
Monitoring Job Flow Metrics.