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https://issues.apache.org/jira/browse/HBASE-19527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16329519#comment-16329519
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stack commented on HBASE-19527:
-------------------------------

Back again with a more radical patch [~appy] It also sets the worker threads in 
PE to be daemon. I see up in failing tests that we can get stuck trying to 
update an hbase:meta that has gone away at the end of a test. It is described 
even at the tail of HBASE-19533.  This patch removes the special-handling 
described in HBASE-19533 where we disable the balancer so the test will 
shutdown and then adds in all the setDaemons on currently non-daemon threads.

> Make ExecutorService threads daemon=true.
> -----------------------------------------
>
>                 Key: HBASE-19527
>                 URL: https://issues.apache.org/jira/browse/HBASE-19527
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: stack
>            Assignee: stack
>            Priority: Major
>             Fix For: 2.0.0-beta-2
>
>         Attachments: HBASE-19527.branch-2.001.patch, 
> HBASE-19527.master.001.patch, HBASE-19527.master.001.patch, 
> HBASE-19527.master.001.patch
>
>
> Let me try this. ExecutorService runs OPENs, CLOSE, etc. If Server is going 
> down, no point in these threads sticking around (I think). Let me try this.



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