[jira] [Commented] (YARN-5765) LinuxContainerExecutor creates appcache and its subdirectories with wrong group owner.

["Jason Lowe (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-5765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15605347#comment-15605347 ] 

Jason Lowe commented on YARN-5765:
----------------------------------

Linking the two tickets.  YARN-5287 went into 2.8, but this is marked as only affecting 3.0.0-alpha1.  Should this be a blocker for 2.8 as well?

> 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: 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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