MQTT in the Wild: What Industrial Monitoring Taught Me About Resilient Messaging
For web developers walking into industrial MQTT for the first time.
The Night the Line Didn't Stop
It was 2 AM on a Tuesday when my phone buzzed with an alert from Honeybadger. A Python service that bridged our plant-floor MQTT broker to a PostgreSQL database had thrown 4,000 unhandled exceptions in twelve minutes. The service hadn't crashed — it was still running, still connected, still processing. It was just silently dropping every message from Packaging Line 3.
The line didn't stop. That was the problem.
