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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2021/04/16 15:38:38 UTC

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

minnieshi edited a comment on issue #13542:
URL: https://github.com/apache/airflow/issues/13542#issuecomment-821258217


   **My situation**
   - kubenetes
   - celery executor
   - only 1 dag is 'on', the rest 20 dags are 'off'
   - dag is correct as it works in other environment. 
   - pool (default_pool), 32 slots, 0 used slots, queued slots =1)
   - tasks in the dag can be run manually (by clear it), but it does not automatically run the next task.
   - one situation: after restarting the scheduler manually (to restart configuration is set to never, value -1),  it decided to run 3 out of 4 tasks, and the last one just **stuck at the queued state**
   - after that, tried to load the dag with different name and different id, the 1st task of the dag 
    **stuck at the 'scheduled' state** after clear the task.


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