Performance211 articles

Two weeks have passed and a lot have been happening on the field of artificial-intelligence. Two weeks have passed and a lot has been silently yet visibly happening in the field of artificial intelligence. This newsletter brings interesting developments, including …

Table of Contents What Makes This DifferentThe Gap in Java ToolingThe Original ProblemWhy Existing Tools Don’t FitHow I Ended Up Building ThisA Real-World BugHow the Bug AppearedWhy It Was Hard to SpotThe Key Insight: Frequency ≠ Resource ConsumptionHow It WorksInstrumentationThe …

Table of Contents Profiling a Java Application Running Inside an Unikernel with JProfilerExplanationDirsArgsRunConfigBaseVolumeSzWhat this command doesInstrumentation PhaseFinal State Profiling a Java Application Running Inside an Unikernel with JProfiler Unikernels are often associated with minimalism and tight resource control. But can …

Table of Contents Why Upgrade?Upcoming Webinar: Your Migration Guide JDK 25 has arrived as the latest long-term support (LTS) release for Java, bringing performance improvements and enhanced stability for modern applications. If your organization is running JDK 21, now is …

Explore real‑world benchmarks, tuning options, and best‑practice strategies to optimize latency, throughput, and memory on modern hardware with Semeru Runtimes, an OpenJDK distribution.

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 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 …

Table of Contents Azul Zing Builds of OpenJDK  Azul Optimizer Hub  Amazon Services to run Optimizer Hub  Your applications and other Java systems  Optimizer Hub on EKS   Connecting your applications to Optimizer Hub  Java warmup improvement results  Compiler queues  Compiler threads  CPU use percentage  Case study: real-world impact  Impact on errors  Conclusion   …