zachliu commented on PR #50730:
URL: https://github.com/apache/airflow/pull/50730#issuecomment-2899405578

   i may have identified the leak...
   i narrowed it down to these two library imports:
   
   ```python
   from importlib import metadata
   from sqlalchemy import create_engine
   ```
   
   each dag-processor's child process imports them but couldn't wipe clean the 
memory footprint. hence the "pinhole" leak
   if anyone can confirm this, i'll close 
https://github.com/apache/airflow/issues/50708


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