Friends of OpenJDK Today

Table of Contents A Quick History LessonForeign Function & Memory (FFM) APIThe Problem With JNIHow The FFM API EvolvedSimple Code ExamplesWhy the FFM API Matters for Raspberry Pi ProjectsPi4J ArchitectureThe FFM TransformationA Community Success StoryBeyond Raspberry PiPi4J Examples Using the …

Memory management remains the primary factor for application performance in enterprise Java environments. Between 2017 and 2025, the ecosystem shifted from manual tuning to architectural selection. Industry data suggests that 60 percent of Java performance issues and 45 percent of production incidents in distributed systems stem from suboptimal Garbage Collection (GC) behavior. This guide provides a strategic framework for selecting collectors based on workload characteristics. It covers the transition from legacy collectors to Generational ZGC, analyzing trade-offs regarding throughput, latency, and hardware constraints with mathematical precision.

Table of Contents IntroductionBackground InfoWarningThe SetupComparing ApproachesBenchmarkConclusion Introduction In this post, we dive into a more advanced topic: pointer arithmetic in Java. With the introduction of the Foreign Function & Memory API (Panama), we can interact with native memory. Usually, …

Table of Contents Speaker/Talk related reasonsOrganization/Program related reasons If you are like me, get the adrenaline rush of getting up on stage and can’t wait to share things that you experienced and learned, then submitting talks to conferences and local …

First of all, Happy New Year 2026! This year is designated in the Chinese Calendar as the Year of the Fire Horse (starting on February 17.). The year 2026 brings not only tremendous energy to AI development but also, in …

Table of Contents What’s a flaky test?First try: retry them all!Second try: fix them all!Third try: embrace the inevitability!Conclusion “Sleep is not a synchronization primitive.” Every test engineer, eventually What’s a flaky test? A flaky test is a test that …

Table of Contents Production-Ready EnhancementsKey Features and Code ExamplesArray-Based Form Field ParsingDatasource Lifecycle ManagementOracle Database ImprovementsEnhanced SOAP Client with Fluent APITechnical SpecificationsAvailability and LicensingAbout BoxLangAbout Ortus Solutions Houston, Texas – January 2025 – Ortus Solutions, a leading innovator in professional …

Table of Contents 1. The “Bloatware” Trap: Precision vs. Verbosity 📉🆚 The Code Face-off: Filtering a list2. Security: A “Bug” is not the same as an “Open Door” 🚨💀 The danger of “Blockers”3. “New” does not guarantee “Better Code” 📉4. …

Table of Contents Vocabulary for this articleForewordPart 1 – Bringing companies on-chain with x402Part 2- Introduction: Beyond Ads and Subscriptions: Agent Commerce on x402 and ERC-8004Part 3 – Tech that will change the internetAgent commerce, x402, and ERC-8004: from ad-funded …

Table of Contents What’s actually happening during warmup?Is Java warmup actually your problem?How the scaling loop worksSolution 1: Give the compiler more resourcesSolution 2: Lower the compilation thresholdSolution 3: ReadyNow to learn once and start fast foreverSolution 4: Optimizer Hub …

Table of Contents What does Quarkus have to offer?Developer joy with live coding and dev modeCost efficiency and performanceReactive at its coreWhich of your current development pains could Quarkus solve?Dev ServicesVast extension ecosystem“OK, I would like to try it, but …

Table of Contents Why Nanos UnikernelWhat Changes Compared to KubernetesNanos Images = Cloud-Native Immutable ImagesCI/CD: GitHub Actions for Building Azul 25 + Payara 7 on Nanos ImagesScaling: The Hypervisor Does Kubernetes’ JobApplication Upgrades: Rolling Just Like KubernetesSecurity: Stronger Isolation than …