FelixYBW commented on PR #5952:
URL: 
https://github.com/apache/incubator-gluten/pull/5952#issuecomment-2259844161

   OK, it's still the generator operator's issue, I set the batch size to 16, 
but actually the output row number may be as high as 500.
   
   
![image](https://github.com/user-attachments/assets/8a264896-530a-43e3-8962-49f6a6c64372)
   
   Another issue is that to some columns, the internalrow format may have >11 
memory size than a columnar format. Still investigating
   
   
![image](https://github.com/user-attachments/assets/46bdb1bd-69d3-4b31-a75a-a5ebfd78ef83)
   
   


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