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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6060) Linux container executor fails to run container on directories mounted as noexec
Date Fri, 06 Jan 2017 07:08:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-6060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15803807#comment-15803807
] 

Allen Wittenauer commented on YARN-6060:
----------------------------------------

Mounting task directories with noexec is pretty much a configuration error.  Jobs can and
will execute other code from there.  For example, jobs that use shared libraries via distributed
cache will fail to mmap() properly.

> Linux container executor fails to run container on directories mounted as noexec
> --------------------------------------------------------------------------------
>
>                 Key: YARN-6060
>                 URL: https://issues.apache.org/jira/browse/YARN-6060
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager, yarn
>            Reporter: Miklos Szegedi
>            Assignee: Miklos Szegedi
>         Attachments: YARN-6060.000.patch
>
>
> If node manager directories are mounted as noexec, LCE fails with the following error:
> Launching container...
> Couldn't execute the container launch file /tmp/hadoop-<user>/nm-local-dir/usercache/<user>/appcache/application_1483656052575_0001/container_1483656052575_0001_02_000001/launch_container.sh
- Permission denied



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