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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2021/09/07 07:02:13 UTC

[GitHub] [airflow] datarian commented on issue #18051: Airflow scheduling only 1 dag at a time leaving other dags in a queued state

datarian commented on issue #18051:
URL: https://github.com/apache/airflow/issues/18051#issuecomment-914044948


   I am also observing the same issue.
   
   I can add that it is not limited to `max_active_runs = 1`. We tried to increase `max_active_runs` in the hope to speed up things, but the same deadlock for other DAGs was still present.
   
   We have Airflow 2.1.3 deployed on k8s using the unofficial helm chart at https://github.com/airflow-helm/charts.
   
   We mostly have default config settings. Changes related to the scheduler are these:
   ```
   AIRFLOW__SCHEDULER__PARSING_PROCESSES: "4"
   AIRFLOW__SCHEDULER__PROCESSOR_POLL_INTERVAL: "3"
   AIRFLOW__SCHEDULER__MIN_FILE_PROCESS_INTERVAL: "60"
   ```


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