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  1. IMPALA
  2. IMPALA-10631

Upgrade DataSketches to version 3.0.0

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    Details

    • Type: New Feature
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: Impala 4.0.0
    • Fix Version/s: Impala 4.0.0
    • Component/s: None
    • Labels:
      None
    • Epic Color:
      ghx-label-3

      Description

      DataSketches v3.0.0 notes

      Introduction of new Relative Error Quantiles Sketch,
      Added Tuple sketch and rewritten Theta sketch to share the same base,
      Performance improvement of HLL sketch,
      Removed serialization of Update Theta sketch and Union, and HLL Union,
      Added support for passing instances of allocators

      First update the Theta sketch serialization interface  IMPALA-10632, and then update the external DataSketches files CPC/HLL/KLL/Theta to version 3.0.0

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            • Assignee:
              chufucun Fucun Chu
              Reporter:
              chufucun Fucun Chu
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              • Created:
                Updated:
                Resolved: