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