George Leslie-Waksman created AIRFLOW-1491:
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Summary: Celery executor restarts result in duplicate tasks
Key: AIRFLOW-1491
URL: https://issues.apache.org/jira/browse/AIRFLOW-1491
Project: Apache Airflow
Issue Type: Bug
Reporter: George Leslie-Waksman
Assignee: George Leslie-Waksman
Since the Celery executor uses internal state to determine what it has queued
already, anything that wipes the executor state (such as a scheduler restart)
will result in rescheduling of tasks.
This bug exacerbates a number of task scheduling race conditions and can result
in duplicate task execution.
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