zhouyuan commented on issue #6789:
URL: 
https://github.com/apache/incubator-gluten/issues/6789#issuecomment-2290201093

   @estoianovici 
   The hash build allocates more memory(783G vs 1157G) although the number of 
input rows are the same. We have run into such issue due to huge page based 
allocator, but it should be fixed in the recent release. Can you please check 
if below config is enabled?
   
   `spark.gluten.sql.columnar.backend.velox.memoryUseHugePages`
   https://github.com/apache/incubator-gluten/pull/3483
   
   thanks, -yuan


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