Uploaded image for project: 'Hive'
  1. Hive
  2. HIVE-1750

Remove Partition Filtering Conditions when Possible

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: 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.

        Attachments

        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

          Issue Links

            Activity

              People

              • Assignee:
                sdong Siying Dong
                Reporter:
                sdong Siying Dong
              • Votes:
                0 Vote for this issue
                Watchers:
                2 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: