Meet async-profiler 4.2: Method tracing, Process sampling, better stacks. Now included in Amazon Corretto. https://t.co/rCxrcLYRlp

What else should you do at #Devoxx BE besides attending great talks 🤔? Bump your app to @graalvm 25 and slash memory consumption by 50%+ 🚀.

Large-scale research by GitClear shows significant changes in the code patterns committed in recent years after AI-assisted became a thing. There are several interesting insights.

LEAK: ByteBuf.release() was not called before it's garbage-collected, i missed this so much. Thank you #opentelemetry java instrumentation for this New Year's gift. @netty_project is always fun.

Excited to meet @trustin and @slandelle offline at #Devoxx and talk a little about @netty_project. @normanmaurer we say hi 👋.

Hi, @normanmaurer you are missing from this picture :). Thanks @DevoxxBE to make this happen. @forked_franz always smile if he knows that you can profile right.

The OpenJDK Lilliput project released a nightly build of a jdk 17 backport. In studies with customers we are seeing memory savings & overall application performance gains. Would you be interested in giving it a spin and giving feedback? #openjdk #corretto

My @NetflixEng colleague @amernetflix wrote up a nice high-level overview of the "noisy neighbors" problems one often encounters in large-scale container-based multi-tenant deployments.

Help us improve GraalVM!📝 Tell us what we should add or change: https://t.co/g1CzWK0Ccx

After three weeks of writing here it is: async-profiler - manual by use cases: https://t.co/1H6xxCbbrN I hope you will enjoy it. I would like to say thank you to @AndreiPangin @parttimen3rd @k_zybala and @MGrzejszczak for all the contribution.

See how you can extend your Java application with libraries from Python and R with GraalVM (a demo): https://t.co/8UBM6EFOMg For implementation details, check out our tutorial: https://t.co/8niJ3WAnC0 #Java #Python #R

The #LWNnet article on "Zero-copy network transmission with io_uring", is now freely available: https://t.co/sJ6p3I9T8D It's an approach that looks to be significantly faster than the #Linux #kernel's existing MSG_ZEROCOPY option. https://t.co/2j4bnl5MGQ

My friend @heinzkabutz has produced an excellent self-study course based on Java Concurrency in Practice (with some updates for Java 8 and 9). JCiP fans can get 20% off through Jan 9 with this link: https://t.co/c1Yyv5Eii8

"The OpenJDK team has setup a fantastic process to solicit early feedback from popular OSS projects; the Hibernate team is proud to have helped with this initiative for some years now"🙏 If you want to learn more about Quality Outreach, visit the Wiki at

We are now looking towards a "new generation" of Reactor next year with 4.0.0. How to lift the ecosystem up rather than break it? If you're building libraries on top of Reactor 3.x, we want to hear from you!

👉 Is project Loom a friend or foe of #Reactive? Find out at #Reactive Summit. Oleh Dokuka @OlehDokuka shares his expert opinion on Nov 3. Grab your ticket for $10.👇 https://t.co/guYI0yC5N4

Great contribution to async-profiler by @YonatanGoldsch2: now it's possible to get kernel stack traces even if Java process has no permission to access perf_events directly. https://t.co/yODUPowkRf

Part 2/3 of my series "HTTP/3 from A to Z" is now online. In it, I discuss #HTTP3 and #QUIC's performance features in technical detail and nuance. Learn why the new protocols certainly improve things but often don't entirely solve problems @smashingmag: https://t.co/z1u6dy7qF5

Win an @Alienware M15 Gaming laptop! To celebrate reaching 100 million downloads we're giving away this beast of a laptop! Retweet this tweet AND follow @adoptopenjdk on twitter! Winner will be picked at random on the 2nd December at 2pm GMT #giveaway #competition #openjdk #java

I sit and think how I can get information about a thread inside #netty executor 🤔, but was my surprise that everything is already there SingleThreadEventExecutor#threadProperties, it was added in 2015 🥰.