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https://issues.apache.org/jira/browse/DRILL-5429?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15966970#comment-15966970
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ASF GitHub Bot commented on DRILL-5429:
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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 <[email protected]>
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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