Chris Nauroth updated YARN-2803:
        Assignee: Craig Welch
    Hadoop Flags: Reviewed

+1 for the patch.  I verified that {{TestMRJobs}} and {{TestUberAM}} pass in my 
Windows environment.

I'm going to hold off on committing until tomorrow in case anyone else watching 
wants to comment regarding secure mode.  I do think we need to commit this, 
because without it, we have a regression in non-secure mode on Windows, which 
has been shipping for several releases already.  Secure mode is still under 
development as I understand it.

> MR distributed cache not working correctly on Windows after NodeManager 
> privileged account changes.
> ---------------------------------------------------------------------------------------------------
>                 Key: YARN-2803
>                 URL: https://issues.apache.org/jira/browse/YARN-2803
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: Chris Nauroth
>            Assignee: Craig Welch
>            Priority: Critical
>         Attachments: YARN-2803.0.patch
> This problem is visible by running {{TestMRJobs#testDistributedCache}} or 
> {{TestUberAM#testDistributedCache}} on Windows.  Both tests fail.  Running 
> git bisect, I traced it to the YARN-2198 patch to remove the need to run 
> NodeManager as a privileged account.  The tests started failing when that 
> patch was committed.

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