tanelk commented on a change in pull request #19769:
URL: https://github.com/apache/airflow/pull/19769#discussion_r756306856
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File path: airflow/executors/celery_executor.py
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@@ -377,6 +387,39 @@ def _check_for_stalled_adopted_tasks(self):
for key in timedout_keys:
self.change_state(key, State.FAILED)
+ @provide_session
+ def _clear_stuck_queued_tasks(self, session=None):
+ """
+ For some reasons, tasks can get stuck in queued state in DB while
still not in
+ self.queued_tasks and not in self.running_tasks.
Review comment:
Could you give here a little explanation, why tasks can get stuck. From
the "For some reasons..." it sounds like there is some bug and this here is
just a bandage.
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