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https://issues.apache.org/jira/browse/PHOENIX-2528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15056835#comment-15056835
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Mujtaba Chohan commented on PHOENIX-2528:
-----------------------------------------
[~cody.mar...@gmail.com]
> Pherf JVM doesn't exit due to un-closed ThreadPool
> --------------------------------------------------
>
> Key: PHOENIX-2528
> URL: https://issues.apache.org/jira/browse/PHOENIX-2528
> Project: Phoenix
> Issue Type: Bug
> Reporter: Josh Elser
> Assignee: Josh Elser
>
> In trying to use the pherf tool in "cluster" mode, the invocation of
> {{Pherf}} never exited. I had removed a {{System.exit(0)}} already because it
> was suppressing an Exception.
> The JVM never exited because there were a number of threads (8) still running
> and not marked as daemon. After a while, I finally tracked down these threads
> to {{WriteWorkload}} which didn't bother to close the pool.
> I believe the System.exit was forcing the JVM to exit instead of letting it
> exit naturally.
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