Wangda Tan created MAPREDUCE-6574: ------------------------------------- Summary: MR AM should print host of failed tasks. Key: MAPREDUCE-6574 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6574 Project: Hadoop Map/Reduce Issue Type: Bug Reporter: Wangda Tan
Something tasks failed because of issues on NMs. For example, bad disk/network could cause reducer fetching failure and mappers need to be re-scheduled. It will be very helpful to identify such issues if we could print host of failed tasks, which we can simply grep MR AM's log to see what happened. -- This message was sent by Atlassian JIRA (v6.3.4#6332)