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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/01/01 15:38:58 UTC

[GitHub] [arrow] andygrove commented on pull request #9070: ARROW-11030: [Rust][DataFusion] [WIP] Concatenate left side batches to single batch in HashJoinExec

andygrove commented on pull request #9070:
URL: https://github.com/apache/arrow/pull/9070#issuecomment-753330627


   I'm seeing a 2x improvement in performance for q12 @ SF=100 with batch size 4096 :rocket: 
   
   This should allow us to reduce the default batch size and reduce memory pressure.


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