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From "Aihua Xu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13194) Hive object is not thread safe, is shared via a threadlocal and thus should not be shared via session - part 2
Date Fri, 22 Apr 2016 14:10:13 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15253996#comment-15253996
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Aihua Xu commented on HIVE-13194:
---------------------------------

Yeah. I also noticed that metaCallTimeMap is not thread safe from one test case. We should
make it synchronized.

I also thought of a pool of Hive objects, but the reason that we can't use that probably is,
different connections may have different hiveconf and then require different connections.


> Hive object is not thread safe, is shared via a threadlocal and thus should not be shared
via session - part 2
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-13194
>                 URL: https://issues.apache.org/jira/browse/HIVE-13194
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-13194.patch
>
>
> Session has session Hive object stored in a field. Given that Hive object is not thread
safe and is also taken from a threadlocal to start with, that is not a good idea.



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