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Posted to dev@hive.apache.org by "Brock Noland (JIRA)" <ji...@apache.org> on 2013/06/17 21:48:20 UTC

[jira] [Commented] (HIVE-4009) CLI Tests fail randomly due to MapReduce LocalJobRunner race condition

    [ https://issues.apache.org/jira/browse/HIVE-4009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13685903#comment-13685903 ] 

Brock Noland commented on HIVE-4009:
------------------------------------

Hey,

I hit this with the parallel test tool. However, I think I was oversubscribing CPU quite a bit which caused this race more likely to be hit. After scaling back the number of threads of unit tests per host I have not hit it. However, since more parallel testing seems to be coming let's keep this open for the time being.
                
> CLI Tests fail randomly due to MapReduce LocalJobRunner race condition
> ----------------------------------------------------------------------
>
>                 Key: HIVE-4009
>                 URL: https://issues.apache.org/jira/browse/HIVE-4009
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.10.0
>            Reporter: Brock Noland
>         Attachments: HIVE-4009-0.patch
>
>
> Hadoop has a race condition MAPREDUCE-5001 which causes tests to fail randomly when using LocalJobRunner.

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