Autoscaling Quarkus on OpenShift: A Pi-Powered Load Test
Autoscaling is easy to explain and hard to see. The docs tell you a HorizontalPodAutoscaler watches CPU and adds pods — but to watch it happen you need a workload that burns CPU on demand, a deployment that reports its resource usage honestly, and a way to generate real traffic. This post wires all three together with a tiny Quarkus app, the quarkus-openshift extension, and k6. The full source is here: ozimakov-rh/quarkus-hello-world. It targets Quarkus 2.14 on Java 17. ...