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Explore the realities of building high-performance Java systems in this podcast episode featuring Ludovic Orban, performance engineer and Jetty maintainer, discussing what "web scale" actually means and debunking common performance myths. Learn about the evolution from single-core to multi-core CPU architectures and how this shift fundamentally changed performance engineering approaches. Discover why Jetty became a preferred lightweight web server, how it compares to Tomcat in terms of performance and adoption, and what specific engineering decisions make it fast in practice. Gain insights into the Jetty team's performance prioritization strategies and recent work on complex HTTP/2 bug fixes. Understand the challenges of distributed transactions versus compensating transactions, and explore Ludovic's experience building Bitronix, his own distributed transaction manager. Delve into the wild engineering stories from Terracotta's clustered JVM implementation and what these experiences revealed about JVM internals. Examine common Java performance mistakes developers make, why performance optimization is challenging to learn, and how modern abstractions like Kubernetes can obscure performance visibility. Get perspectives on emerging hardware technologies, AI-generated code reliability concerns, and practical lessons learned from decades of working with Jetty, Terracotta, Bitronix, and Quartz projects.
