Multithreaded programming is challenging but unavoidable, which is why you need the best tools and techniques for doing it safely. In this article Theodore S. Norvell introduces the conceptual ...

For those running Java applications or services, the Windows Performance Monitor (WPM) contains a treasure trove of valuable information—see Figure 1. There are hundreds (or thousands) of performance ...

I've had a problem with a synchronized method for about a week now that I feel pretty strongly is a JVM bug but I haven't been able to reproduce it outside of our webapp, so I come to Ars looking for ...

The best way to find the bottleneck is by adding telemetry to every part of the stack from top to bottom and tracking every request from beginning to end. The tools from CA Wily and Mercury ...