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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-5429) Cache tableStats per query for MapR DB JSON Tables
Date Thu, 13 Apr 2017 01:31:41 GMT

    [ https://issues.apache.org/jira/browse/DRILL-5429?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15966970#comment-15966970
] 

ASF GitHub Bot commented on DRILL-5429:
---------------------------------------

GitHub user ppadma opened a pull request:

    https://github.com/apache/drill/pull/817

    DRILL-5429: Cache tableStats per query for MapR DB JSON Tables

    

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/ppadma/drill DRILL-5429

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/drill/pull/817.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #817
    
----
commit c04c7d5acbb182a0152885711817cbe72ff6582a
Author: Padma Penumarthy <ppenumar97@yahoo.com>
Date:   2017-04-11T23:34:14Z

    DRILL-5429: Cache tableStats per query for MapR DB JSON Tables

----


> Cache tableStats per query for MapR DB JSON Tables
> --------------------------------------------------
>
>                 Key: DRILL-5429
>                 URL: https://issues.apache.org/jira/browse/DRILL-5429
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization, Storage - MapRDB
>    Affects Versions: 1.10.0
>            Reporter: Padma Penumarthy
>             Fix For: 1.11.0
>
>
> For MapR DB JSON Tables, cache (per query) and reuse tableStats. Getting tableStats is
an expensive operation. Saving it and reusing it helps reduce query latency. 



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