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Date: Wed, 16 Nov 2016 10:43:58 +0000 (UTC)
From: "Naganarasimha G R (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.13014318.1477072156000.291283.1479293038567@Atlassian.JIRA>
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References: <JIRA.13014318.1477072156000@Atlassian.JIRA> <JIRA.13014318.1477072156057@arcas>
Subject: [jira] [Resolved] (YARN-5765) Revert CHMOD on the new dirs
 created-LinuxContainerExecutor creates appcache and its subdirectories with
 wrong group owner.
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archived-at: Wed, 16 Nov 2016 10:44:00 -0000


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

Naganarasimha G R resolved YARN-5765.
-------------------------------------
      Resolution: Fixed
    Hadoop Flags: Reviewed
    Release Note: This change reverts YARN-5287 from 3.0.0-alpha1. chmod clears the set-group-ID bit of a regular file hence folder was getting reset with the rights.

Resolving the issue as fixed with proper update on release notes and description update

> 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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