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https://issues.apache.org/jira/browse/MAPREDUCE-1788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12981155#action_12981155
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Arun C Murthy commented on MAPREDUCE-1788:
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Downgraded, I'm not sure this is critical right away. Also, I remember Owen
having some reservation about this... foggy.
> o.a.h.mapreduce.Job shouldn't make a copy of the JobConf
> --------------------------------------------------------
>
> Key: MAPREDUCE-1788
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1788
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: client
> Affects Versions: 0.21.0
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
>
> Having o.a.h.mapreduce.Job make a copy of the passed in JobConf has several
> issues: any modifications done by various pieces such as InputSplit etc. are
> not reflected back and causes issues for frameworks built on top.
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