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From "Shannon Ladymon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-7271) Speed up unit tests
Date Mon, 10 Aug 2015 22:38:45 GMT

    [ https://issues.apache.org/jira/browse/HIVE-7271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14680888#comment-14680888
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Shannon Ladymon commented on HIVE-7271:
---------------------------------------

The TODOC14 label has been removed from this issue, although the documentation has not been
reviewed. [~hagleitn], if you review the documentation in the future and notice anything that
needs to be changed, please let Lefty (or myself) know.

> Speed up unit tests
> -------------------
>
>                 Key: HIVE-7271
>                 URL: https://issues.apache.org/jira/browse/HIVE-7271
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Gunther Hagleitner
>            Assignee: Gunther Hagleitner
>             Fix For: 0.14.0
>
>         Attachments: HIVE-7271.1.patch, HIVE-7271.2.patch, HIVE-7271.3.patch, HIVE-7271.4.patch,
HIVE-7271.5.patch, HIVE-7271.6.patch, HIVE-7271.7.patch
>
>
> Did some experiments to see if there's a way to speed up unit tests. TestCliDriver seemed
to take a lot of time just spinning up/tearing down JVMs. I was also curious to see if running
everything on a ram disk would help.
> Results (I ran tests up to authorization_2):
> - Current setup: 40 minutes
> - Single JVM (not using child JVM to run all queries): 8 minutes
> - Single JVM + ram disk: 7 minutes
> So the ram disk didn't help that much. But running tests in single JVM seems worthwhile
doing.



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