Benchmark series on simple caching solutions in Java

Caching is a very common solution when you don't want to repeat CPU intense tasks. The last days I was benchmarking options to do caching with ConcurrentHashMap. In this blog I publish the first results. I have used Heinz Kabutz' Performance Checker to do this. I also added some features based on my readings of this article series.

Your web applications work - by sheer coincidence!

This blog describes a solution to a typical concurrency problem in a web application environment, and it illustrates that you - in all likelihood - cannot be sure that your application is thread-safe. It just works - by sheer coincidence.