milenkovicm commented on PR #1853:
URL: 
https://github.com/apache/datafusion-ballista/pull/1853#issuecomment-4741301084

   furthermore,
   
   when running  Q2 with 256 partitions, executor takes around 460MB with this 
patch, and 550MB without (which might not be very good metrics to start with) 
but what i see
   
   
   with this PR:
   
   ```
   Query 2 took 6.989 s and returned 100 rows
   Total time: 6.989 s
   ```
   
   and without: 
   
   ```
   Query 2 took 12.037 s and returned 100 rows
   Total time: 12.037 s
   ```
   
   (unless i made some kind of mess-up with test runs)
   
   
   Im running latest main with 
   
   ```
   cargo run  --bin ballista-executor --release  -- -c 4  --work-dir 
/path/to/work/dir./
   ```


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