gu-chi created YARN-3678:
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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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