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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12236) Enable SimpleFetchOptimizer for more query types
Date Thu, 03 Dec 2015 00:49:11 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15036973#comment-15036973
] 

Ashutosh Chauhan commented on HIVE-12236:
-----------------------------------------

TestHS2Metrics is a flaky test which also failed in same fashion on build # 6197. Certainly
not related to this change.

> Enable SimpleFetchOptimizer for more query types
> ------------------------------------------------
>
>                 Key: HIVE-12236
>                 URL: https://issues.apache.org/jira/browse/HIVE-12236
>             Project: Hive
>          Issue Type: Improvement
>          Components: Physical Optimizer
>    Affects Versions: 1.3.0, 2.0.0
>            Reporter: Gopal V
>            Assignee: Ashutosh Chauhan
>         Attachments: HIVE-12236.2.patch, HIVE-12236.WIP.patch, HIVE-12236.patch
>
>
> Currently, metadata queries fired by BI tools tend to thrash LLAP's cache.
> Bypass the cache and process metadata queries directly from HiveServer2



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