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https://issues.apache.org/jira/browse/HADOOP-15527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16517382#comment-16517382
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Hudson commented on HADOOP-15527:
---------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14450 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/14450/])
HADOOP-15527. Improve delay check for stopping processes.
(eyang: rev 2d87592fc6a56bfe77dd3c11953caea2b701c846)
* (delete) hadoop-common/src/test/scripts/process_with_sigterm_trap.sh
* (add)
hadoop-common-project/hadoop-common/src/test/scripts/process_with_sigterm_trap.sh
> loop until TIMEOUT before sending kill -9
> -----------------------------------------
>
> Key: HADOOP-15527
> URL: https://issues.apache.org/jira/browse/HADOOP-15527
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Vinod Kumar Vavilapalli
> Priority: Major
> Fix For: 3.2.0, 3.1.1
>
> Attachments: HADOOP-15527.1.txt, HADOOP-15527.2.txt, HADOOP-15527.txt
>
>
> I'm seeing that sometimes daemons keep running for a little while even after
> "kill -9" from daemon-stop scripts.
> Debugging more, I see several instances of "ERROR: Unable to kill ${pid}".
> Saw this specifically with ResourceManager & NodeManager - {{yarn --daemon
> stop nodemanager}}. Though it is possible that other daemons may run into
> this too.
> Saw this on both Centos as well as Ubuntu.
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