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  1. Hive
  2. HIVE-18006

Optimize memory footprint of HLLDenseRegister

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 3.0.0
    • 3.0.0
    • None
    • None

    Description

      private double[] invPow2Register;

      seems to add up memory when caching column stats (#table * #partition * #cols). This register can be pre-computed and stored as constant.

      Attachments

        1. HIVE-18006.1.patch
          4 kB
          Prasanth Jayachandran
        2. HIVE-18006.2.patch
          4 kB
          Prasanth Jayachandran

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            prasanth_j Prasanth Jayachandran Assign to me
            prasanth_j Prasanth Jayachandran
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            Dates

              Created:
              Updated:
              Resolved:

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