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From "gu-chi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-3678) DelayedProcessKiller may kill other process other than container
Date Tue, 19 May 2015 13:00:59 GMT
gu-chi created YARN-3678:
----------------------------

             Summary: 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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