791 viewsFoojay Podcast #100: Java Podcasters on Why They Started, What Broke, and What They Learned
Foojay Podcast hits episode 100. No plan, no roadmap. It just happened. To mark the occasion, Frank turned the microphone around and invited …
Week in review: 13 July 2026
New authors
Welcome to Felipe Maschio and Zbyněk Roubalík, who published their first article on foojay.io this week.
Published this week
791 views
I Asked GitHub Copilot to Profile a Java App. It Found a Bug in My Heap Sizing, and Offered to Fix It
I built an extension to collapse the entire loop of running and measuring the performance of Java workloads, so it can be used within a …
BoxLang 1.15.0 Released: Blazing Fast Strings, Runtime Portability, and much more
BoxLang 1.15.0 is a high-impact release with two big headlines and a long tail of hardening. The first headline is a massive performance …
Your Loom App Quietly Became a Thread Pool Again: A Field Guide to Virtual Thread Pinning
The incident that taught me to respect pinning looked like nothing. A service freshly migrated to virtual threads, a load test that …
809 viewsWarm Up Fast, Run Lean: Vertical Scaling for Java on Kubernetes with Azul Prime and Kedify
Autoscaling on Kubernetes has evolved significantly, but many production systems still rely on reactive scaling based on CPU and memory …
How We Beat HotSpot Performance (By Cheating, But Not Like That)
ParparVM went from 4.21x slower than warmed Java 25 to geomean parity, with six of ten benchmarks at or below HotSpot and peak memory below …
Toward a Durable Spring PetClinic
What makes a process a good candidate for durability? To answer this, we'll take the canonical Spring PetClinic and interrogate its sources.