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https://issues.apache.org/jira/browse/MAPREDUCE-5680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13881227#comment-13881227
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Ashutosh Chauhan commented on MAPREDUCE-5680:
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Whats the word here? Default values are way too low because of reason I
outlined above. If not removing checks altogether, we should atleast consider
increasing these super-low limit values ?
> 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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