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2 Beiträge2 Beteiligte1 Beitrag heute
Mithandir

Dealing with a data explosion in #HPC and #LifeSciences? Managing petabytes of data without breaking the bank is a huge challenge. 🤯

Our latest blog post explores how Amazon FSx for Lustre Intelligent-Tiering can revolutionize your workflow. Learn how to get self-managing storage that optimizes costs and delivers incredible performance.

➡️ Read more here: blog.qfotografie.de/2025/06/25

Marius Quadflieg · Supercharge Your Research: Smarter, Faster, and Cheaper Data Storage with AWS! 🚀 - Marius Quadflieg
Mehr von Marius Quadflieg
#AWS#DataStorage#CloudComputing
Data Bene

Félicitons 2025 pour son abondance d'événements open source, de développements et d'activités 💡

Il est temps de vous partager notre newsletter trimestrielle qui détaille le travail réalisé par notre équipe, avec un focus sur quelques événements intéressants, informations ou ressources qu'il nous paraissait pertinent de mettre en avant.

Venez le consulter sur Substack (aucun abonnement n'est nécessaire pour le lire) :

open.substack.com/pub/databene

#substack#tech#techblog
Hacker News

Discovering a JDK Race Condition, and Debugging It in 30 Minutes with Fray

aoli.al/blogs/jdk-bug/

Ao Li · Discovering a JDK Race Condition, and Debugging it in 30 Minutes with FrayDiscovering a JDK Race Condition, and Debugging it in 30 Minutes with Fray I’ve been adding more integration tests for Fray recently. To ensure Fray can handle different scenarios, I wrote many creative test cases. Many of them passed as expected, while some failures led to epic fixes in Fray. Then something unexpected happened: Fray threw a deadlock exception while testing the following seemingly innocent code: 1private void test() { 2 ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(1); 3 // Shutdown thread. 4 new Thread(() -> { 5 executor.shutdown(); 6 }).start(); 7 try { 8 ScheduledFuture<?> future = executor.schedule(() -> { 9 Thread.yield(); 10 }, 10, TimeUnit.MILLISECONDS); 11 try { 12 future.get(); 13 Thread.yield(); 14 } catch (Throwable e) {} 15 } catch (RejectedExecutionException e) {} 16} This code creates a ScheduledThreadPoolExecutor, schedules a task, and shuts down the executor in another thread. Initially, I suspected a bug in Fray, but after investigation, I discovered that the deadlock was actually caused by a bug in the JDK itself.
#HackerNews#JDKRaceCondition#FrayDebugging
Dominik

I never realized how hard it is to come up with graphics for abstract concepts until I started a #TechBlog.

If I was writing about physical objects, animals, places, food, whatever, you can just slap some nice photo of that thing and be done.

But how do you create a picture representing the concept of a function annotation signifying that the return value shouldn't be discarded? (I did make something up in the end, but it wasn't easy)

#Programming#Graphics
Hacker News

Fun with Futex

blog.fredrb.com/2025/06/02/fut

Fredrb's Blog · Fun with Futex: building my own mutex in C for funtexFun with Futex Implementing an optimized lock in Linux requires some Operating System help. You can only get so far by doing everything in user-land. We are going to take a look how one can implement a simple spin lock in C (just like the spin lock in Go I implemented a while back) and then a slightly more elaborate lock using operating system’s primitives. The idea behind a mutex (mutual exclusion) is straightforward: we want some part of the code to be accessed only by a single thread at a time. If the resource a thread is trying to access (the critical zone) is already being accessed by something else: wait. The trick about implementing them is how you to do wait part!
#HackerNews#FunWithFutex#FutexProgramming
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