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Posted to yarn-issues@hadoop.apache.org by "gu-chi (JIRA)" <ji...@apache.org> on 2016/01/05 02:47:40 UTC

[jira] [Commented] (YARN-3678) DelayedProcessKiller may kill other process other than container

    [ https://issues.apache.org/jira/browse/YARN-3678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15082201#comment-15082201 ] 

gu-chi commented on YARN-3678:
------------------------------

same issue as confirmed with [~hex108]

> DelayedProcessKiller may kill other process other than container
> ----------------------------------------------------------------
>
>                 Key: YARN-3678
>                 URL: https://issues.apache.org/jira/browse/YARN-3678
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.6.0
>            Reporter: gu-chi
>            Priority: Critical
>
> Suppose one container finished, then it will do clean up, the PID file still exist and will trigger once singalContainer, this will kill the process with the pid in PID file, but as container already finished, so this PID may be occupied by other process, this may cause serious issue.
> As I know, my NM was killed unexpectedly, what I described can be the cause. Even rarely occur.



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