dvarrazzo commented on code in PR #45124:
URL: https://github.com/apache/airflow/pull/45124#discussion_r1896877203


##########
airflow/dag_processing/manager.py:
##########
@@ -181,7 +180,15 @@ def _run_processor_manager(
         # to iterate the child processes
 
         set_new_process_group()
-        setproctitle("airflow scheduler -- DagFileProcessorManager")
+
+        # setproctitle causes issue on Mac OS: 
https://github.com/benoitc/gunicorn/issues/3021
+        os_type = sys.platform
+        if os_type == "darwin":
+            log.info("Mac OS detected, skipping setproctitle")
+        else:
+           from setproctitle import setproctitle
+            setproctitle("airflow scheduler -- DagFileProcessorManager")

Review Comment:
   Hello, I am the setproctitle author, although I have limited experience with 
macOS and no hardware to test with it.
   
   @gershnik has been so kind to contribute expertise and bugfixes to the 
project in relation with macOS. Maybe he might be able to help?
   
   I wonder if this problem relates to concurrency during initialisation?



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