tirkarthi commented on issue #56879:
URL: https://github.com/apache/airflow/issues/56879#issuecomment-3422562615

   `engine.dispose` was run in `clean_in_fork` in `after_in_child` . I was 
wondering if calling `def before(): engine.dispose(close=False)` in 
`register_at_fork(before=before)` would help here since the sqlalchemy 
documentation recommends calling `engine.dispose(close=False)` before child 
process is created and I assume here it's calling `engine.dispose` after child 
is created.
   
   https://docs.python.org/3/library/os.html#os.register_at_fork
   
   before is a function called before forking a child process.
   
   after_in_parent is a function called from the parent process after forking a 
child process.
   
   after_in_child is a function called from the child process.


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