Posts by Francesco Nigro

Francesco Nigro

Senior Principal Software Engineer at Red Hat (now IBM!) working on Quarkus performance.

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

June 08, 2026 tags: #performance #containers

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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.

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