Java Concurrency Defaults: What Actually Happens Under Load
Java provides us with very strong concurrency tools, and they are very…
Stop Guessing: When new ArrayList<>(capacity) Actually Matters
I am sure you have written this in your Java code: List<Type>…
The Bug That Reset a Mars Lander: Priority Inversion in Java, Explained Like It Matters
It’s July 4th, 1997 and NASA’s Mars Pathfinder lander just landed on…
Investigating False Sharing in Java’s ArrayBlockingQueue
We have discussed extensively about false sharing on this blog. In our…
Why Ring Buffers Outperform ArrayBlockingQueue: Understanding the Performance Gap
I am sure if you are reading this blog post, you have…
The Setter-by-Default Mentality is Killing Your Design
Getters and Setters. I believe you have auto-generated these before. It is…
Software Transactional Memory: The Best Concurrency Model You (Probably) Aren’t Using
If you’re reading this blog post, I’m sure you’ve come across the…
From synchronized to StampedLock: how Java optimized read-heavy concurrency
We have seen in our previous posts on TAS, TTAS, Ticket, and…
Why LongAdder is Not an “AtomicLong V2”
Maybe it is time you replace your AtomicLong with a LongAdder? Both…
The Set-to-List Shuffle: A Hidden Performance Tax
I am sure if you are reading this blog post, you have…
