kazuyukitanimura commented on PR #1055:
URL: 
https://github.com/apache/datafusion-comet/pull/1055#issuecomment-2476133686

   Thank you @andygrove @viirya I addressed memory issues and added DSv2 
support (except Iceberg). This is ready for review again.
   
   I also run with 1TB by myself. I still see 10% ish speed up that is the 
order of seconds not `ms`. I think there are some environmental differences 
between @andygrove 's and mine.
   
   Before (1TB)
   ```
   TPCDS Micro Benchmarks:                   Best Time(ms)   Avg Time(ms)   
Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
   
------------------------------------------------------------------------------------------------------------------------
   q39a: Comet (Scan, Exec)                          27979          33349       
  580         28.0          35.7       1.0X
   
   TPCDS Micro Benchmarks:                   Best Time(ms)   Avg Time(ms)   
Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
   
------------------------------------------------------------------------------------------------------------------------
   q44: Comet (Scan, Exec)                           24877          25216       
  271        115.8           8.6       1.0X
   ```
   
   After (1TB)
   ```
   TPCDS Micro Benchmarks:                   Best Time(ms)   Avg Time(ms)   
Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
   
------------------------------------------------------------------------------------------------------------------------
   q39a: Comet (Scan, Exec)                          27281          28714       
  111         28.7          34.8       1.0X
   
   TPCDS Micro Benchmarks:                   Best Time(ms)   Avg Time(ms)   
Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
   
------------------------------------------------------------------------------------------------------------------------
   q44: Comet (Scan, Exec)                           23534          23880       
  388        122.4           8.2       1.0X
   ```


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