[GitHub] [airflow] ephraimbuddy commented on issue #13542: Task stuck in "scheduled" or "queued" state, pool has all slots queued, nothing is executing

[GitBox <gi...@apache.org>]

ephraimbuddy commented on issue #13542:
URL: https://github.com/apache/airflow/issues/13542#issuecomment-845106707


   > I can observe the same problem with version 2.0.2:
   > 
   > * Tasks fail, because a DAG/task has gone missing (we are using dynamically created DAGs, and they can go missing)
   > * The scheduler keeps those queued
   > * The pool gradually fills up with these queued tasks
   > * The whole operation stops, because of this behaviour
   > 
   > My current remedy:
   > 
   > * Manually remove those queued tasks
   > 
   > My desired solution:
   > 
   > When a DAG/task goes missing while it is queued, it should end up in a failed state.
   
   Can you be able to try this with airflow master? We recently merged this https://github.com/apache/airflow/pull/15929. I'm thinking it will help in 'The scheduler keeps those queued' part


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