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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-5765) Revert CHMOD on the new dirs created-LinuxContainerExecutor creates appcache and its subdirectories with wrong group owner.
Date Wed, 16 Nov 2016 10:39:58 GMT

     [ https://issues.apache.org/jira/browse/YARN-5765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Naganarasimha G R updated YARN-5765:
------------------------------------
    Description: 
Earlier fix for YARN-5287 has been reverted due to this issue : 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 as a user that
does not belong to the same group that NM process belongs to. 

  was:
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 as a user that
does not belong to the same group that NM process belongs to. 


> Revert CHMOD on the new dirs created-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: Naganarasimha G R
>            Priority: Blocker
>         Attachments: YARN-5765.001.patch
>
>
> Earlier fix for YARN-5287 has been reverted due to this issue : 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 as a user
that does not belong to the same group that NM process belongs to. 



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