Angelo Rubini

Software Develop Engineer Sr Specialist - Jakarta EE Community Enthusiast Member

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What do you know about the code changes that were just introduced into the codebase? When will you notice if something goes wrong?

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Jakarta EE 11: Beyond the Era of Java EE

This user guide provides a brief history of Java EE/Jakarta EE and a detailed overview of some of the specifications that will be updated in Jakarta EE 11.

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Unikernel: Profiling and Troubleshooting JVM on Nanos Unikernel

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 ...

Feb 11 1,2K

Angelo Rubini

Cloud

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Debugging Developer Tools DevOps Jakarta EE Java Java Core Observability Performance Profiler Tools Tutorials

Java and Jakarta EE and the Evolution of the Cloud with Nanos Unikernel

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 …

Jan 06 3,0K

Angelo Rubini

Java

Performance Microservices Jakarta EE DevOps Cloud

Retweet on Twitter Foojay.io Retweeted

Interesting read on @foojayio about the current state of the @grailsframework, at @TheASF
Written by @spoole167 interviewing @JamesFredley
https://foojay.io/today/grails-isnt-done-yet-part-1-inside-the-asf-reboot/

11:31 AM · March 25, 2026

Retweet on Twitter Foojay.io Retweeted

#Java 26 is here, and its main purpose is to provide a solid foundation for future things to come. It comes with new features, performance improvements and multiple enhancements–my blog post has all the info! 🚀

07:15 AM · March 17, 2026