Aki 🇺🇦

Geneva🇨🇭

Reims🇫🇷➡️Paris🇫🇷➡️Geneva🇨🇭

Good morning from Reims 🇫🇷

HND🇯🇵✈️CDG🇫🇷

Bluesky is quite comfortable and relaxing, while X is not.

🚨 Time Sensitive 🚨

#Java peers...the 2026 #JavaOne call for papers closes soon. Get your proposals in by the Nov 11 deadline ➡️
social.ora.cl/6017A7UwL

Soon depart for Marrakech 🇲🇦 from Tokyo 🇯🇵 to talk at Devoxx Morocco. On my way to Marrakech, will stay in Reims 🇫🇷 and Geneva 🇨🇭. See you there!

Submitted!

Illustration for 'Key takeaways' page.

Micronaut Framework 4.10.1

The Micronaut Foundation is excited to announce the release of Micronaut Framework 4.10.1 ! Please see our latest blog post for more details. micronaut.io/2025/10/29/m... #micronaut

For my last dinner in Zurich, I enjoyed cheese fondue and the cake of Zug.

📢 Announcement 📢

#Java peers, the 2026 #JavaOne call for papers is now LIVE. Please make your submissions by November 11, 2025 5:00 p.m. PT by visiting the conference website:

➡️ social.ora.cl/6013A7UXF

I am very much looking forward to attending #GraalVM Community Summit, which has an extremely interesting agenda!!

Demystifying Automatic Instrumentation: How the Magic Actually Works Despite the rise of OpenTelemetry and eBPF, most developers don’t know what automatic instrumentation actually does under the hood. This post breaks it down—not to suggest you build your own, but to…

Automatic instrumentation can seem like magic—but it’s not!

The latest #OpenTelemetry blog breaks down how it really works, from monkey patching and bytecode instrumentation to eBPF and runtime APIs.

buff.ly/aWbGOzf

The presentation outline is finalized. The main line will not change after this, but I will need to gather updates on the topic to add to the outline until the day. And I've started practicing my presentation.

I'll talk at Devoxx Morocco 2025. Let me share migration strategy rather than how to use. See you there!
devoxx.ma/speaker/?id=...

The itenerary is fixed to head to #JJUG_CCC after speaking at #Devoxx Morocco via RAK🛫MUC 🛫HND.

Integrate the Shenandoah/Generational-Shenandoah GC into Native Image · Issue #12237 · oracle/graal Shenandoah/Generational-Shenandoah support is already available for the GraalVM JIT (see PR Shenandoah support and commit [GR-65266] Add support for Shenandoah). Now add support for using Shenandoa...

New @graalvm.org Community project from Amazon by Volker Simonis: Integrate the Generational Shenandoah GC into Native Image: github.com/oracle/graal...

Design patterns for T-shirt

Send metrics from Micronaut native image applications to Azure Monitor The original post (Japanese) was written on 20 July 2025.

Send signals from Micronaut applications to Azure Monitor
logicojp.medium.com/send-metrics...
Metrics: logicojp.medium.com/send-metrics...
Traces: logicojp.medium.com/send-traces-...
Logs: medium.com/microsoftazu...
Like zero-code instrumentation: medium.com/microsoftazu...

Cheers!

[Japanese]
Metrics
logico-jp.dev/2025/07/20/s...
Traces
logico-jp.dev/2025/07/24/s...

Micronaut now supports sending traces to Azure Application Insights from version 4.9.0. This also works with GraalVM Native Image! I summarized how to send metrics/traces from Micronaut applications.

[English]
Metrics
logicojp.medium.com/send-metrics...
Traces
logicojp.medium.com/send-traces-...

Transitioning to virtual threads using the Micronaut loom carrier - Micronaut Framework Micronaut HTTP Server Netty 4.9 introduces a new, experimental “loom carrier mode” for the Netty event loop. This prototype uses internal JDK APIs to run virtual threads directly on the event loop, un...

Transitioning to virtual threads using the Micronaut loom carrier micronaut.io/2025/06/30/t... #micronaut #java

When is general registration for the JVM Language Summit 2025 going to be open? Speaker registration should have ended, but the registration page is still open. It would be great if registration opened sooner.

Thank you all joining #JJUG_CCC 2025 Spring! We appreciate that every great speaker around the globe delivered their presentation, and every sponsor supported our conference.
We’ll hold the conference in Autumn and open CfP soon. We look forward to seeing you at the next conference!

JDK 25 has been branched from the main line and is now in Rampdown Phase One: mail.openjdk.org/pipermail/jd...

openjdk.org/projects/jdk...

#JDK25 #OpenJDK #Java

"No collector" approach to monitor GraalVM Native Image applications JCON OpenBlend Slovenia 2025

Completed my session at JCON OpenBlend Slovenia 2025.
Grateful for the engaged audience who stayed throughout my talk without stepping out. It's always fulfilling to see such participation.
speakerdeck.com/logico_jp/no...

You caught a lot of fish in @jcon.one, didn't you!

Book review — Raising Young Coders I had an opportunity to read the titled book “Raising Young Coders”, which the author, Cassandra Chin, had provided me.

I've just posted my book review to Medium.
logicojp.medium.com/book-review-...
Thank you for providing the great book, Cassandra Chin! And I am also delighted that @ixchelruiz.bsky.social, a great influencer in Women in Tech whom I know personally, is featured in this book!