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https://issues.apache.org/jira/browse/MAPREDUCE-3634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13195964#comment-13195964
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Sharad Agarwal commented on MAPREDUCE-3634:
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Can we set Dispatcher.DISPATCHER_EXIT_ON_ERROR_KEY default to false instead ?
No of daemons are much less and would almost remain constant as opposed to
tests ? Anybody adding a test or using a API should not get surprised by not
setting this property.
> All daemons should crash instead of hanging around when their EventHandlers
> get exceptions
> ------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-3634
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3634
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Vinod Kumar Vavilapalli
> Fix For: 0.23.1
>
> Attachments: MAPREDUCE-3634-20120118.1.txt,
> MAPREDUCE-3634-20120119.txt
>
>
> We should make sure that the daemons crash in case the dispatchers get
> exceptions and stop processing. That way we will be debugging RM/NM/AM
> crashes instead of hard-to-track hanging jobs.
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