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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2021/08/30 15:59:57 UTC

[GitHub] [airflow] abhaysjuneja commented on issue #14896: Error: 'daemonic processes are not allowed to have children', after upgradeing to airflow:2.0.1

abhaysjuneja commented on issue #14896:
URL: https://github.com/apache/airflow/issues/14896#issuecomment-908463824


   > @pmlewis Because `execute_tasks_new_python_interpreter = True` will create Python interpreter for each task so it will have performance implications -- few seconds / ms atleast.
   
   I tried this with LocalExecutor, but I'm still get this warning `UserWarning: Multiprocessing-backed parallel loops cannot be nested, setting n_jobs=1`. With Joblib, it's basically setting n_jobs=1 and serializing the process, rendering it useless. I'll try this with CeleryExecutor next.


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