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Customer has a Hive Query with a Group By Clause and is stuck on the last Reducer. This looks like a Reducer Skew in the Group By Clause.

You may please use the below said configuration in the Hive CLI at the session level.

Inside the Hive CLI.

set hive.groupby.skewindata=true;

<Run the Query>

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Last update:
‎06-30-2017 11:43 PM
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