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https://issues.apache.org/jira/browse/MAPREDUCE-3264?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13136800#comment-13136800
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Vinod Kumar Vavilapalli commented on MAPREDUCE-3264:
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Let's commit it as is.
IIRC, the MR AM uses this config name for getting user-name. We can fix it
correctly by making RM pass the user-name to AM and making AM use that, but
I'll create a separate ticket for doing that way.
+1 for the patch, for now.
> mapreduce.job.user.name needs to be set automatically
> -----------------------------------------------------
>
> Key: MAPREDUCE-3264
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3264
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Arun C Murthy
> Priority: Blocker
> Fix For: 0.23.0
>
> Attachments: MAPREDUCE-3264.patch
>
>
> Currently in MR2 I have to manually specify mapreduce.job.user.name for each
> job. It's not picking it up from the security infrastructure, at least when
> running with DefaultContainerExecutor. This is obviously incorrect.
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