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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2021/09/01 09:45:56 UTC

[GitHub] [airflow] david30907d commented on issue #15978: DAG getting stuck in "running" state indefinitely

david30907d commented on issue #15978:
URL: https://github.com/apache/airflow/issues/15978#issuecomment-909184633


   > Just updated to 2.1.2, still facing the issue. My dags are getting stuck into running state. When I checked scheduler logs I have this kind of line : `Not executing <TaskInstance: xxxxxx 2021-08-09 14:30:00+00:00 [scheduled]> since the number of tasks running or queued from DAG xxxxxx is >= to the DAG's task concurrency limit of 16`
   > Seems that celery worker doesn't pick up any task as the log file is not updated when it is happening
   
   @hafid-d I bumped into the same issue few days ago.
   
   It works well for now after replacing `PythonOperator` with`SubDagOperator`. Are you using `SubDagOperator` as well?


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