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Posted to dev@drill.apache.org by "Padma Penumarthy (JIRA)" <ji...@apache.org> on 2017/04/11 23:12:41 UTC

[jira] [Created] (DRILL-5429) Cache tableStats per query for MapR DB JSON Tables

Padma Penumarthy created DRILL-5429:
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             Summary: 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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