[jira] [Updated] (MAPREDUCE-3280) MR AM should not read the username from configuration

["Vinod Kumar Vavilapalli (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3280?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vinod Kumar Vavilapalli updated MAPREDUCE-3280:
-----------------------------------------------

    Attachment: MAPREDUCE-3280-20111102.txt

Save for YarnChild which was depending on the user-name, the code doesn't need this. Attaching patch.
                
> 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
>            Assignee: Vinod Kumar Vavilapalli
>             Fix For: 0.23.1
>
>         Attachments: MAPREDUCE-3280-20111102.txt
>
>
> 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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