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Posted to github@arrow.apache.org by "tustvold (via GitHub)" <gi...@apache.org> on 2023/03/06 15:39:06 UTC

[GitHub] [arrow-datafusion] tustvold commented on issue #4973: Improve the performance of `Aggregator`, grouping, aggregaton

tustvold commented on issue #4973:
URL: https://github.com/apache/arrow-datafusion/issues/4973#issuecomment-1456366407

   What do people think about implementing the strategy as described here - https://github.com/apache/arrow-datafusion/issues/2723#issuecomment-1324876060 and then revisiting the question of whether we keep additional fallback approaches based on empirical evidence as to their performance characteristics.
   
   If this proves to outperform all the existing implementations, there is no harm in removing the other approaches, if it does not we can keep them


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