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From "Haibo Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5765) LinuxContainerExecutor creates appcache and its subdirectories with wrong group owner.
Date Tue, 01 Nov 2016 15:31:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-5765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15625710#comment-15625710
] 

Haibo Chen commented on YARN-5765:
----------------------------------

Sorry [~Naganarasimha], did not mean to dismiss your solution. Assigning this to you since
you have got a working solution. Let's resolve this blocker. Ideally, I still prefer to make
changes to mkdirs() which all directory creations have to call. 

> LinuxContainerExecutor creates appcache and its subdirectories with wrong group owner.
> --------------------------------------------------------------------------------------
>
>                 Key: YARN-5765
>                 URL: https://issues.apache.org/jira/browse/YARN-5765
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.8.0, 3.0.0-alpha1
>            Reporter: Haibo Chen
>            Assignee: Haibo Chen
>            Priority: Blocker
>
> LinuxContainerExecutor creates usercache/\{userId\}/appcache/\{appId\} with wrong group
owner, causing Log aggregation and ShuffleHandler to fail because node manager process does
not have permission to read the files under the directory.
> This can be easily reproduced by enabling LCE and submitting a MR example job. 



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