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energyMEDIUM2026-05-01 12:14 UTC

How to monitor Apache Airflow DAGs so you know when they silently fail

Your Airflow DAG ran last night. All tasks: green. All durations: normal. Export job completed at 02:14. Zero rows exported. Nobody knows. This is the silent failure Airflow's built-in alerting doesn't catch. on_failure_callback fires when a task crashes. It doesn't fire when a task exits 0 after co

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