Atomicity Visibility and Ordering in Java Concurrency
Atomicity, visibility, and ordering are three different concerns. Many concurrency bugs happen because developers fix one and assume the other two are automa...
Technical Blog
Recent posts
Happens-Before in Java Explained with Practical Examples
If you remember only one formal concurrency concept from the Java Memory Model, remember happens-before.
Introduction to the Java Memory Model for Backend Engineers
The Java Memory Model, or JMM, defines what one thread is allowed to observe about actions performed by another thread.
CPU Cache Main Memory and Why Visibility Bugs Happen
Many Java concurrency bugs begin with one wrong assumption: if one thread updates a variable, another thread will immediately see the new value.
Shared Memory vs Message Passing in Java Applications
Most Java concurrency problems are really shared-state problems. When multiple threads can touch the same mutable object, correctness becomes difficult quick...