Chick-fil-A runs 2,800 edge Kubernetes clusters with billions of monthly MQTT messages
SumitGup · x · 2026-11-11
A Chick-fil-A engineering writeup details how the fast-food chain operates edge Kubernetes clusters in each of its 2,800 restaurants, keeping business-critical workloads fully independent of internet connectivity. A platform layer provides identity management, app deployment, and fleet-wide observability, while hundreds of thousands of IoT devices (fryers, grills, tablets) send billions of MQTT messages per month plus metrics and logs. The post focuses on the observability architecture behind this edge fleet.
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