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  1. Apache Arrow
  2. ARROW-12726

[C++][Compute] GroupBy: add parallelism to hash group by

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Details

    • Improvement
    • Status: Open
    • Major
    • Resolution: Unresolved
    • 4.0.0
    • None
    • C++
    • None

    Description

      Implement parallel processing for hash group by. 
      Make sure it works well (scales) for different cardinalities of groups.

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          is a child of

          New Feature - A new feature of the product, which has yet to be developed. ARROW-12633 [C++] Query engine umbrella issue

          • Major - Major loss of function.
          • Open

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              Unassigned Unassigned
              michalno Michal Nowakiewicz
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                Created:
                Updated: