ephraimbuddy commented on a change in pull request #20349:
URL: https://github.com/apache/airflow/pull/20349#discussion_r770954993
##########
File path: airflow/jobs/scheduler_job.py
##########
@@ -402,6 +402,14 @@ def _executable_task_instances_to_queued(self, max_tis:
int, session: Session =
# Many dags don't have a task_concurrency, so where we can
avoid loading the full
# serialized DAG the better.
serialized_dag = self.dagbag.get_dag(dag_id,
session=session)
+ # If the dag is missing, continue to the next task.
+ if not serialized_dag:
+ self.log.error(
+ "DAG '%s' for taskinstance %s not found in
serialized_dag table",
+ dag_id,
+ task_instance,
+ )
+ continue
Review comment:
From my testing, the scheduler continues to run the task instances even
though the dag is no more.
I think we should not fail it but allow it to finish since it's not stuck or
raising exception
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
