kaxil opened a new pull request #15046:
URL: https://github.com/apache/airflow/pull/15046


   This commit adds the feature to allow users to set one of the following 
modes, the
    scheduler will list and sort the dag files to decide the parsing order.:
   
   - `modified_time`: Sort by modified time of the files. This is useful on 
large scale to parse the recently modified DAGs first.
   - `random_seeded_by_host`: Sort randomly across multiple Schedulers but with 
same order on the same host. This is useful when running with Scheduler in HA 
mode where each scheduler can parse different DAG files.
   - `alphabetical`: Sort by filename
   
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