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https://issues.apache.org/jira/browse/HIVE-7271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14042532#comment-14042532
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Gunther Hagleitner commented on HIVE-7271:
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The other failures are unrelated. [~szehon] - = I did not analyze all of them
in detail, but yes, the ones I looked at ran OOM, so I switched them to
out-of-process.
> 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, 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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