DaveT1991 commented on code in PR #64997:
URL: https://github.com/apache/airflow/pull/64997#discussion_r3066098434
##########
providers/celery/src/airflow/providers/celery/executors/celery_executor.py:
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@@ -225,12 +225,41 @@ def _send_workloads(self, workload_tuples_to_send:
Sequence[WorkloadInCelery]):
result.backend = cached_celery_backend
self.running.add(key)
self.workloads[key] = result
+ # Persist the Celery task_id before scheduler event handling
so a replacement
+ # scheduler can still adopt the task after a crash/restart.
+ self._persist_task_external_executor_id(key, result.task_id)
# Store the Celery task_id (workload execution ID) in the
event buffer. This will get "overwritten" if the task
# has another event, but that is fine, because the only other
events are success/failed at
# which point we don't need the ID anymore anyway.
self.event_buffer[key] = (TaskInstanceState.QUEUED,
result.task_id)
+ def _persist_task_external_executor_id(self, key: WorkloadKey, task_id:
str) -> None:
+ """Persist Celery task ids for task workloads so they survive
scheduler restarts."""
+ from sqlalchemy import update
+
+ from airflow.models.taskinstance import TaskInstance as TI
+ from airflow.models.taskinstancekey import TaskInstanceKey
Review Comment:
Of course, can you check now and let me know?
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