Ashutosh Chauhan created MAPREDUCE-5680:
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Summary: Reconsider limits
Key: MAPREDUCE-5680
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5680
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: applicationmaster
Affects Versions: 2.2.0
Reporter: Ashutosh Chauhan
Limits were first introduced in 0.20.2xx line with the main goal of protecting
jobtracker from rogue jobs. Now that problem no longer exists in yarn, where
each job gets its own MR AM. So, its good time now to revisit limits and see
which of those still make sense.
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