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https://issues.apache.org/jira/browse/MAPREDUCE-3854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13205951#comment-13205951
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Vinod Kumar Vavilapalli commented on MAPREDUCE-3854:
----------------------------------------------------
Short answer for the HOME issue you pointed out is - no, we aren't supporting
it anymore.
With 1.0, we never fixed TaskTracker to cleanup the environment(MAPREDUCE-103),
so things like HOME *needed to* be supported. In 0.23.*, it is now set by
NodeManager after the ends' clean up. So, $HOME already points to the user's
home dir, we shouldn't be needing it anymore.
> Reinstate environment variable tests in TestMiniMRChildTask
> -----------------------------------------------------------
>
> Key: MAPREDUCE-3854
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3854
> Project: Hadoop Map/Reduce
> Issue Type: Test
> Components: mrv2
> Reporter: Tom White
> Fix For: 0.23.2
>
> Attachments: MAPREDUCE-3854.patch
>
>
> MAPREDUCE-3716 reinstated one of the tests in TestMiniMRChildTask, but there
> are two more which should be run.
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