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.
The February Hibernate milestones actually fix things
I have a confession - I used to hate ORM upgrades. They usually break something obscure in a criteria query I wrote four years ago.
Hibernate Reactive 4.1: A Deep Dive into Asynchronous Persistence in Modern Java
The Java ecosystem is in a constant state of evolution, driven by the relentless demand for more scalable, resilient, and efficient applications.
Hibernate’s Next Wave: A Deep Dive into the Latest ORM, Reactive, and Search Innovations
The Java ecosystem is in a constant state of dynamic evolution, a testament to its resilience and the vibrant community that supports it.