Context Switching and Why Threads Are Expensive
Threads are useful, but they are not free. If you treat them like cheap magic, your system will waste CPU, memory, and latency budget just coordinating execu...
Technical Blog
Recent posts
Java Thread Lifecycle and Thread States Explained
If you do not understand thread states, thread dumps will look like random noise. You will see RUNNABLE, WAITING, or BLOCKED and still have no idea whether t...
Concurrency vs Parallelism vs Asynchrony in Java
Concurrency, parallelism, and asynchrony are related, but they are not the same thing. Teams often mix them together and then design the wrong system for the...
Process vs Thread vs Task in Java Systems
Java developers often use the words process, thread, and task loosely. That creates design confusion early: people choose an executor when they really mean a...
Why Concurrency Is Hard in Java — Correctness, Latency, Throughput, and Coordination
Concurrency is hard because it forces you to optimize several things at once: correctness, latency, throughput, resource usage, and failure handling.