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Posted to issues@tajo.apache.org by "Jinho Kim (JIRA)" <ji...@apache.org> on 2015/08/05 12:43:04 UTC

[jira] [Created] (TAJO-1743) Improve calculation of intermediate table stat

Jinho Kim created TAJO-1743:
-------------------------------

             Summary: Improve calculation of intermediate table stat
                 Key: TAJO-1743
                 URL: https://issues.apache.org/jira/browse/TAJO-1743
             Project: Tajo
          Issue Type: Improvement
          Components: Data Shuffle, Physical Operator, Storage
    Affects Versions: 0.10.1, 0.10.0, 0.9.0, 0.8.0
            Reporter: Jinho Kim
            Assignee: Jinho Kim
             Fix For: 0.11.0


Internal storage calculates the statistic(min, max) for intermediate data shuffling. but the statistics requires only to the range shuffle in the current implementation.
We should remove unnecessary computing



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