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Date: Sun, 22 Jun 2014 05:25:24 +0000 (UTC)
From: "Gunther Hagleitner (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Message-ID: <JIRA.12722995.1403414539182.24450.1403414724321@arcas>
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Subject: [jira] [Updated] (HIVE-7271) Speed up unit tests
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     [ https://issues.apache.org/jira/browse/HIVE-7271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gunther Hagleitner updated HIVE-7271:
-------------------------------------

    Status: Patch Available  (was: Open)

> 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
>         Attachments: HIVE-7271.1.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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