Nadeem Moidu created HIVE-3086:
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             Summary: Skewed Join Optimization
                 Key: HIVE-3086
                 URL: https://issues.apache.org/jira/browse/HIVE-3086
             Project: Hive
          Issue Type: New Feature
            Reporter: Nadeem Moidu
            Assignee: Nadeem Moidu


During a join operation, if one of the columns has a skewed key, it can cause 
that particular reducer to become the bottleneck. The following feature will 
address it:
https://cwiki.apache.org/confluence/display/Hive/Skewed+Join+Optimization


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