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https://issues.apache.org/jira/browse/HBASE-19527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16329734#comment-16329734
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Appy commented on HBASE-19527:
------------------------------

Oh, and that thread should also do thread dump before quitting.

My overall motivation is -  Build well-defined and deterministic system, and 
put guards in place if things go sideways.

> 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.branch-2.002.patch, HBASE-19527.master.001.patch, 
> HBASE-19527.master.001.patch, HBASE-19527.master.001.patch, 
> HBASE-19527.master.002.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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