Friends of OpenJDK Today

Table of Contents Getting the metrics rightHow we measured performance2. Java Virtual Machine (JVM) intrinsics3. Check and check again4. BSON null terminator detection with SWAR5. Avoiding redundant copies and allocations6. String Encoding, removing method indirection and redundant checks Lessons learned Donald …

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 …

Hola developers !!!!! The 11th edition of DevBcn, the developer’s conference in Barcelona is coming next June. The perfect place to have great technology talks 🤖, perfect weather 🏖️, amazing food 🥘, and an unforgettable experience 💖. It will be …

Table of Contents Java powers AI in production Enterprises are rapidly moving away from Oracle Java Cloud costs are still too high, and Java efficiency is a powerful lever Unused and Dead code and CVE noise are quietly killing DevOps productivity Why this all matters right now Where Azul fits into this future  Every year, I look forward to our State of Java Survey & Report because it gives us a view into how organizations are using Java today and where they’re heading next. This year, …

Table of Contents The JDK ships a perfectly good debugger. Nobody uses it.Agent Skills: Teaching new tricks through MarkdownBuilding the skill: a conversation with CopilotWhat the skill containsThe real test: debugging a buggy Swing app, liveThe debugging sessionA small but …

Table of Contents What is Windsurf AI?Main characteristics that make Windsurf differentThe Usual Flow and the “Verification” ProblemWhat are Agent Skills?Example: A Skill with Command ExecutionThe Problem: Local Skills vs. The Cloud ☁️What is MCP technology?Let me introduce you to …

Table of Contents YouTubePodcast AppsGuestsContent Every six months, we get a new version of Java. Java 26 is just around the corner and will be released soon. But most companies stick to LTS (Long-Term Support) versions, which are maintained and …

Table of Contents The ProblemThe Strategy: CSS OverlayStep 1: Create Your Custom report.cssStep 2: Overlay CSS During Maven BuildStep 3: Handle CI Deployment (Optional)Watch Out: Output Directory PathsThe ResultQuick Start ChecklistFull Example JaCoCo is the go-to code coverage tool for …

Table of Contents Sharding as a horizontal scaling strategyUnderstanding a sharded cluster architectureShardsConfig serversMongosDistributing data in a sharded clusterWhen should you shard a collection?Vertical limits or costLarge datasetsFaster backup and restore timesHigh write or throughput requirementsZonal or regional data requirementsChoosing …

Table of Contents first, a word about ecosystemsSpeed first.Still optimised for speed.Open Source Security Doesn’t Work the Way You Think It DoesThis matters more than people realise.The Inevitable AI in the MixEnter Shai-HuludThen it pivoted.The defining shift.This Is Also What …

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 Day 1: March 26Day 2: March 27RegisterJoin live sessions and ask questionsRecordingsHashtags We are excited to invite you to IntelliJ IDEA Conf 2026, a free virtual event on March 26-27, 2026. IntelliJ IDEA Conf is a celebration …