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From "Prasanth Jayachandran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12181) Change hive.stats.fetch.column.stats value to true for MiniTezCliDriver
Date Tue, 10 Nov 2015 20:52:10 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14999335#comment-14999335
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Prasanth Jayachandran commented on HIVE-12181:
----------------------------------------------

There are some golde file updates that breaks the intended behaviour. auto_join30.q, bucket_map_join_tez1.q
(which expects a BROADCAST_EDGE but stats got changed and the job got converted to shuffle
join with SIMPLE_EDGE),explainuser_2.q etc. I think we need to tune bump up the noconditionlatask.size
accordingly for these tests. 

> Change hive.stats.fetch.column.stats value to true for MiniTezCliDriver
> -----------------------------------------------------------------------
>
>                 Key: HIVE-12181
>                 URL: https://issues.apache.org/jira/browse/HIVE-12181
>             Project: Hive
>          Issue Type: Improvement
>          Components: Statistics
>            Reporter: Ashutosh Chauhan
>            Assignee: Ashutosh Chauhan
>         Attachments: HIVE-12181.1.patch, HIVE-12181.2.patch, HIVE-12181.patch
>
>
> There was a performance concern earlier, but HIVE-7587 has fixed that. We can change
the default to true now.



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