[jira] [Commented] (YARN-5287) LinuxContainerExecutor fail to set proper permissions

["Ying Zhang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-5287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15343815#comment-15343815 ] 

Ying Zhang commented on YARN-5287:
----------------------------------

The fix would be explicitly set the permission after creating the directories. Similar as what has been done in YARN-88 for DefaultContainerExecutor.

> LinuxContainerExecutor fail to set proper permissions
> -----------------------------------------------------
>
>                 Key: YARN-5287
>                 URL: https://issues.apache.org/jira/browse/YARN-5287
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.7.2
>            Reporter: Ying Zhang
>            Priority: Minor
>   Original Estimate: 48h
>  Remaining Estimate: 48h
>
> LinuxContainerExecutor fail to set the proper permissions on the local directories(i.e., /hadoop/yarn/local/usercache/... by default) if the cluster has been configured with a restrictive umask, e.g.: umask 077. Job failed due to the following reason:
> Path /hadoop/yarn/local/usercache/ambari-qa/appcache/application_xxxxxxxx has permission 700 but needs permission 750
> Way to reproduce:
> 1. configure the cluster with umask 077
>     (for example, modify the /etc/profile and /etc/bashrc)
> 2. enable LinuxContainerExecutor through Ambari or config file
> 3. restart all affected
> 4. run a simple job



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