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Posted to yarn-issues@hadoop.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2016/05/03 19:41:12 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=15269162#comment-15269162 ] 

Hudson commented on YARN-4834:
------------------------------

FAILURE: Integrated in Hadoop-trunk-Commit #9707 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/9707/])
YARN-4834. ProcfsBasedProcessTree doesn't track daemonized processes. (jlowe: rev c6b48391680c1b81a86aabc3ad4c725bfade6d2e)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ProcfsBasedProcessTree.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/util/TestProcfsBasedProcessTree.java


> 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: 3.0.0, 2.7.2
>            Reporter: Nathan Roberts
>            Assignee: Nathan Roberts
>         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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