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  1. Hive
  2. HIVE-16995 Merge NDV across partitions using bit vectors
  3. HIVE-16996

Add HLL as an alternative to FM sketch to compute stats

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 3.0.0
    • None

    Attachments

      1. Accuracy and performance comparison between HyperLogLog and FM Sketch.docx
        166 kB
        Pengcheng Xiong
      2. HIVE-16966.01.patch
        204 kB
        Pengcheng Xiong
      3. HIVE-16966.02.patch
        477 kB
        Pengcheng Xiong
      4. HIVE-16966.03.patch
        503 kB
        Pengcheng Xiong
      5. HIVE-16966.04.patch
        1.50 MB
        Pengcheng Xiong
      6. HIVE-16966.05.patch
        1.50 MB
        Pengcheng Xiong
      7. HIVE-16966.06.patch
        1.59 MB
        Pengcheng Xiong
      8. HIVE-16966.07.patch
        1.63 MB
        Pengcheng Xiong

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            pxiong Pengcheng Xiong
            pxiong Pengcheng Xiong
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            Dates

              Created:
              Updated:
              Resolved: