mapleFU commented on PR #35731:
URL: https://github.com/apache/arrow/pull/35731#issuecomment-1564361501

   Using 1mib as a insert batch is really too large:
   
   ```
   BM_BatchComputeHash<ByteArrayType>   85150536 ns     85024375 ns            
8 items_per_second=12.3327M/s
   BM_BatchComputeHash<FLBAType>        78013056 ns     77946556 ns            
9 items_per_second=13.4525M/s
   BM_BatchComputeHash<Int96Type>       95809131 ns     95748143 ns            
7 items_per_second=10.9514M/s
   BM_InsertHash                       910213833 ns    904038000 ns            
1 items_per_second=1.15988M/s
   BM_BatchInsertHash                  870639958 ns    866905000 ns            
1 items_per_second=1.20956M/s
   ```


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