Hive
  1. Hive
  2. HIVE-1750

Remove Partition Filtering Conditions when Possible

    Details

    • Type: Improvement Improvement
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.7.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      For some simple queries, partition filtering constraints take 8% of CPU time (now 16% since we filter twice) even if the result is always true. When possible, we should remove these constraints to save CPU times.

      1. HIVE-1750.1.patch
        1.10 MB
        Siying Dong
      2. HIVE-1750.2.patch
        1.09 MB
        Siying Dong
      3. HIVE-1750.3.patch
        1.24 MB
        Siying Dong
      4. HIVE-1750.4.patch
        1.33 MB
        Siying Dong

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            • Assignee:
              Siying Dong
              Reporter:
              Siying Dong
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              Dates

              • Created:
                Updated:
                Resolved:

                Development