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https://issues.apache.org/jira/browse/MAPREDUCE-3426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13167942#comment-13167942
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Vinod Kumar Vavilapalli commented on MAPREDUCE-3426:
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Mostly looks good. Minor comments on the patch.
- Jobimpl changes: Not this patch's fault, duplicate comment starting "User
has overall veto power over uberization"
- RMCommunicator.stop() is still not thread-safe/idempotent - the shutdown
hook and the stop-event handling may both find the volatile boolean be true and
proceed. This method needs synchronization.
- JobStatus constructors - in both mapred and map reduce classes - need to
backwards compatible.
> uber-jobs tried to write outputs into wrong dir
> -----------------------------------------------
>
> Key: MAPREDUCE-3426
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3426
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: mrv2
> Affects Versions: 0.23.0, 0.24.0
> Reporter: Hitesh Shah
> Fix For: 0.23.1
>
> Attachments: MR-3426.1.patch, MR-3426.2.patch
>
>
> Incorrect setup of the uber tasks causes tasks to try to write intermidiate
> outputs into dirs that the user does not have permissions to write to on a
> secure cluster.
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