Inside JFR Event Streaming: How the JVM Buffers Events Without
JFR streams events without halting the application because the emitter and the consumer don't share a mutable in-memory queue.
JFR vs async-profiler for production CPU profiling
For production CPU profiling on a JDK 21 or 25 box in 2026, default to async-profiler with --jfrsync : roughly 1% overhead at -i 10ms , no safepoint bias.
Testcontainers vs zonky embedded Postgres: integration test latency on GitHub Actions
If your CI bill is dominated by Docker pulls and your @DataJpaTest classes each create their own database, the choice between Testcontainers and zonky's.
Inside Project Loom’s Thread Scheduler: How Carrier Threads Get Pinned
Overview The Scheduling Contract Between Virtual and Carrier Threads What Actually Causes a Carrier Thread to Get Pinned?
Azul Zulu Prime 24.03 CRaC SIGILL on Graviton Cross-Gen Restore
As of: March 22, 2026 — Azul Zulu Prime 24.03 Quick nav Why does the SIGILL only fire after a CRaC restore? What does the crash look like in a…
Spring AI 1.1 Broke My Ollama Integration After the Upgrade
The first sign something was wrong with the Spring AI 1.1 upgrade was a NoSuchBeanDefinitionException for OllamaChatClient at startup, followed by a flood.
Mastering Integration Testing in Spring Boot with JUnit 5 and Testcontainers
The Modern Java Developer's Guide to Bulletproof Integration Testing In the world of modern Java development, particularly within microservices and.
JUnit 5.9 and Beyond: A Deep Dive into the Latest Java Testing Enhancements
The Constant Evolution of Java Testing: What's New in JUnit In the dynamic and ever-expanding Java ecosystem, staying current is not just a.
JUnit 5 Evolution: A Deep Dive into the Latest Features for Modern Java Testing
The Continuous Evolution of Java Testing with JUnit 5 In the fast-paced world of the Java ecosystem, staying current is not just an advantage; it's a.
JUnit 5.10 and Beyond: A Deep Dive into Modern Java Testing
Introduction: The Ever-Evolving Landscape of Java Testing In the fast-paced world of software development, the Java ecosystem is in a state of perpetual.