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From "Zheng Shao (JIRA)" <j...@apache.org>
Subject [jira] Created: (HIVE-561) Make Hash aggregation threshold configurable
Date Mon, 15 Jun 2009 22:52:07 GMT
Make Hash aggregation threshold configurable
--------------------------------------------

                 Key: HIVE-561
                 URL: https://issues.apache.org/jira/browse/HIVE-561
             Project: Hadoop Hive
          Issue Type: Improvement
    Affects Versions: 0.3.0, 0.3.1
            Reporter: Zheng Shao
            Assignee: Zheng Shao
            Priority: Minor
             Fix For: 0.4.0


Currently we stop doing Hash aggregation after seeing 100K rows and the reduction is below
50%. We should make it configurable.

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