Mastodawn

If Quarkus is faster than Spring, why do you see no difference in throughput between them when you benchmark? Turns out you might be measuring the performance of an unrelated network proxy.

https://redhatperf.github.io/post/hidden-cost-rootless-container-networking/

Why isn't Quarkus 2x faster than Spring on my machine?

Our perf-lab shows Quarkus 2x faster than Spring, but a community member only sees 1.19x locally. The culprit: a userspace TCP proxy hidden inside rootless podman.

Red Hat App Services Performance Team