Java features explained with examples

Posts tagged thread dump

Tuning an Akka application

This post presents an example of how to tune an Akka application. The first section presents the application (actually, a simple microservice) that will be used along this post to illustrate the tuning process. The second section describes the load tests and tools that will be used to measure the application performance. Next section presents different test scenarios […]

Dealing with memory leaks

Background This post describes my experience playing around with Scala and some of its concepts like tail recursion and futures. It also offers an opportunity to see how a memory leak can happen and how to analyse it. I created a simple web crawler that takes a seed link (e.g. and then, recursively (using tail recursion), collects all […]