[jira] [Created] (HIVE-3500) To add instrumentation to capture if there is skew in reducers

[Arun Dobriyal (JIRA)]

Arun Dobriyal created HIVE-3500:
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             Summary: To add instrumentation to capture if there is skew in 
reducers
                 Key: HIVE-3500
                 URL: https://issues.apache.org/jira/browse/HIVE-3500
             Project: Hive
          Issue Type: Improvement
    Affects Versions: 0.10.0
            Reporter: Arun Dobriyal
            Priority: Minor


To add the reducer skew information. To log min/max/mean/(standard deviation) 
of the reducers run times in the QueryPlan. 

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