hard20 pts · first answer countsairflowairflow-architecturehigh-availability

Running two schedulers safely

You want two schedulers for high availability. What makes this safe in Airflow?

A.Each scheduler handles half the DAG files by nameB.One scheduler stays idle until the other crashesC.A Redis lock elects a leader every minuteD.They coordinate via database row locks

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Running two schedulers safely

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