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https://issues.apache.org/jira/browse/HIVE-8830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14207520#comment-14207520
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Eugene Koifman commented on HIVE-8830:
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t.setName("HiveClientCache cleaner");
It's a minor thing, but it would be good to add a counter in the ThreadFactory
and add it to the name so that it's like this "HiveClientCache cleaner-1".
If the thread in the pool dies, a new one is created to replace it. With the
counter, we'll know about that in thread dumps and logs.
+1 pending tests
> hcatalog process don't exit because of non daemon thread
> --------------------------------------------------------
>
> Key: HIVE-8830
> URL: https://issues.apache.org/jira/browse/HIVE-8830
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.14.0
> Reporter: Thejas M Nair
> Assignee: Thejas M Nair
> Fix For: 0.15.0
>
> Attachments: HIVE-8830.1.patch
>
>
> HiveClientCache has a cleanup thread which is not a daemon. It can cause hcat
> client process to hang even after the complete.
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