Yin Huai created HIVE-5157:
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Summary: ReduceSinkDeDuplication ignores
hive.groupby.skewindata=true
Key: HIVE-5157
URL: https://issues.apache.org/jira/browse/HIVE-5157
Project: Hive
Issue Type: Bug
Reporter: Yin Huai
Assignee: Yin Huai
If hive.groupby.skewindata=true, we should generate two MR jobs. But,
ReduceSinkDeDuplication will merge these two into a single MR job. Example:
groupby2_map_skew.q
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