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Posted to yarn-issues@hadoop.apache.org by "Grant Sohn (JIRA)" <ji...@apache.org> on 2016/10/27 20:30:58 UTC
[jira] [Commented] (YARN-4834) ProcfsBasedProcessTree doesn't track
daemonized processes
[ https://issues.apache.org/jira/browse/YARN-4834?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15613122#comment-15613122 ]
Grant Sohn commented on YARN-4834:
----------------------------------
Regarding the 'kill -- ...':
Ubuntu kill doesn't support "--" but recommends killall instead.
> ProcfsBasedProcessTree doesn't track daemonized processes
> ---------------------------------------------------------
>
> Key: YARN-4834
> URL: https://issues.apache.org/jira/browse/YARN-4834
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.7.2, 3.0.0-alpha1
> Reporter: Nathan Roberts
> Assignee: Nathan Roberts
> Fix For: 2.8.0, 2.7.3, 3.0.0-alpha1
>
> Attachments: YARN-4834.001.patch
>
>
> Currently the algorithm uses ppid from /proc/<pid>/stat which can be 1 if a child process has daemonized itself. This causes potentially large processes from not being monitored.
> session id might be a better choice since that's what we use to signal the container during teardown.
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