Jason Lowe created MAPREDUCE-4937:
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Summary: MR AM handles an oversized split metainfo file poorly
Key: MAPREDUCE-4937
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4937
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: mr-am
Affects Versions: 0.23.5, 2.0.2-alpha
Reporter: Jason Lowe
When an job runs with a split metainfo file that's larger than it has been
configured to handle then it just crashes. This leaves the user with a
less-than-ideal debug session since there are no useful diagnostic messages
sent to the client for this failure. In addition it crashes before
registering/unregistering with the RM and crashes without generating history,
so the proxy URL is not very useful and there's no archived configuration to
check to see what setting the AM was using when it encountered the error.
The AM should handle this error case more gracefully and treat the failure as
it does any other failed job, with a proper unregistration from the RM and with
history.
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