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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2021/11/08 18:54:27 UTC

[GitHub] [airflow] john-jac commented on a change in pull request #18954: Add DAG file processing description to Scheduler Concepts

john-jac commented on a change in pull request #18954:
URL: https://github.com/apache/airflow/pull/18954#discussion_r745005588



##########
File path: docs/apache-airflow/concepts/scheduler.rst
##########
@@ -60,6 +60,34 @@ In the UI, it appears as if Airflow is running your tasks a day **late**
 
     You should refer to :doc:`/dag-run` for details on scheduling a DAG.
 
+DAG File Processing
+-------------------
+
+The Airflow Scheduler is responsible for turning the Python files contained in the DAGs folder into DAG objects that contain tasks to be scheduled.
+
+There are two primary components involved in DAG file processing.  The ``DagFileProcessorManager`` is an infinite loop that determines which files need

Review comment:
       No worries @ashb !  I've updated the doc with that distinction.




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