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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8384) stdout.txt, stderr.txt logs of a launched docker container is coming with primary group of submit user instead of hadoop
Date Fri, 01 Jun 2018 22:14:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16498636#comment-16498636
] 

Hudson commented on YARN-8384:
------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14338 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/14338/])
YARN-8384. stdout.txt, stderr.txt logs of a launched docker container is (wangda: rev 3a6bd775500343632bad5f9c1a2bfacd408f7760)
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/native/container-executor/impl/container-executor.c


> stdout.txt, stderr.txt logs of a launched docker container is coming with primary group
of submit user instead of hadoop
> ------------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-8384
>                 URL: https://issues.apache.org/jira/browse/YARN-8384
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: yarn-native-services
>            Reporter: Sunil Govindan
>            Assignee: Eric Yang
>            Priority: Critical
>              Labels: docker
>         Attachments: YARN-8384.001.patch
>
>
> When {{yarn.nodemanager.linux-container-executor.nonsecure-mode.limit-users}} is set
to true, and {{yarn.nodemanager.linux-container-executor.nonsecure-mode.local-user}} is set
to nobody.
> This will cause the docker to run as nobody:nobody in yarn mode.
> The log files will be initialized as nobody:nobody:
> {noformat}
> rw-rr- 1 nobody hadoop 354 May 31 17:33 container-localizer-syslog
> rw-rr- 1 nobody hadoop 1042 May 31 17:35 directory.info
> rw-r---- 1 nobody hadoop 4944 May 31 17:35 launch_container.sh
> rw-rr- 1 nobody hadoop 440 May 31 17:35 prelaunch.err
> rw-rr- 1 nobody hadoop 100 May 31 17:35 prelaunch.out
> rw-r---- 1 nobody nobody 18733 May 31 17:37 stderr.txt
> rw-r---- 1 nobody nobody 400 May 31 17:35 stdout.txt
> {noformat}
> This causes YARN NM cannot read stderr.txt and stdout.txt



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