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Posted to issues@drill.apache.org by "Vova Vysotskyi (Jira)" <ji...@apache.org> on 2019/11/03 17:05:00 UTC

[jira] [Created] (DRILL-7433) Allow parallel computation of metadata aggregating

Vova Vysotskyi created DRILL-7433:
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             Summary: Allow parallel computation of metadata aggregating
                 Key: DRILL-7433
                 URL: https://issues.apache.org/jira/browse/DRILL-7433
             Project: Apache Drill
          Issue Type: Sub-task
    Affects Versions: 1.17.0
            Reporter: Vova Vysotskyi
            Assignee: Vova Vysotskyi


In the scope of DRILL-7273 was implemented metadata collecting, but every aggregation is created using SINGLE distribution traits, and therefore metadata for every level is calculated using a single aggregate operator.

The aim of this Jira is to allow creating several aggregate operators for the same metadata level to make metadata calculations more scalable.



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