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https://issues.apache.org/jira/browse/MAPREDUCE-3280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13138077#comment-13138077
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Siddharth Seth commented on MAPREDUCE-3280:
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bq. Once that is done, we can remove the default value for
mapreduce.job.user.name from mapred-default.xml
This would still be needed once the job completes right ? JobHistory and the
associated conf file.
> MR AM should not read the username from configuration
> -----------------------------------------------------
>
> Key: MAPREDUCE-3280
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3280
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: applicationmaster, mrv2
> Affects Versions: 0.23.0
> Reporter: Vinod Kumar Vavilapalli
> Fix For: 0.23.0
>
>
> MR AM reads the value for mapreduce.job.user.name from the configuration in
> several places. It should instead get the app-submitter name from the RM.
> Once that is done, we can remove the default value for
> mapreduce.job.user.name from mapred-default.xml
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