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https://issues.apache.org/jira/browse/YARN-2803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14201708#comment-14201708
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Jian He commented on YARN-2803:
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the original response to why this change is made, but I didn't pay further
attention..
https://issues.apache.org/jira/browse/YARN-2198?focusedCommentId=14158260&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14158260
Thought this might break windows security, I'm OK to get this patch in and fix
windows security separately. thanks Craig and Chris !
> 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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