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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14779) make DbTxnManager.HeartbeaterThread a daemon
Date Mon, 19 Sep 2016 23:54:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15505073#comment-15505073
] 

Alan Gates commented on HIVE-14779:
-----------------------------------

Ok, so I agree this doesn't make the situation any worse, and in fact makes it better since
it will avoid the situation where everything dies but the heartbeat thread and that thread
keeps the VM alive and keeps heartbeating.  At some point in the future I do think we should
solve the issue where a hanging CLI client could hang the system.

> make DbTxnManager.HeartbeaterThread a daemon
> --------------------------------------------
>
>                 Key: HIVE-14779
>                 URL: https://issues.apache.org/jira/browse/HIVE-14779
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>    Affects Versions: 1.3.0, 2.1.0
>            Reporter: Eugene Koifman
>            Assignee: Eugene Koifman
>            Priority: Minor
>         Attachments: HIVE-14779.patch
>
>
> setDaemon(true);
> make heartbeaterThreadPoolSize static 



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