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  1. Hive
  2. HIVE-5157

ReduceSinkDeDuplication ignores hive.groupby.skewindata=true

    Details

    • Type: Bug
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: None
    • Labels:
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      Description

      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 and groupby2.q

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            • Assignee:
              yhuai Yin Huai
              Reporter:
              yhuai Yin Huai
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              • Created:
                Updated: