Category: Articles

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Capacity Planning using the Universal Scalability Law with Java and usl4j

Capacity planning is an important task when trying to anticipate resources and scaling factors for our applications.The usl4j library offers us an easy abstraction for Neil J. Gunther’s Universal Scalability Law and allows us to build up a predictive model based on the parameters throughput, latency and concurrent operations.With a basic input set of two of these parameters, we are able to predict how these values change if we change one input parameter so that we can build our infrastru

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Java Testing Weekly 40 / 2018

There are many software development blogs out there, but many of them don’t publish testing articles on a regular basis. Also, I have noticed that some software developers don’t read blogs written by software testers. That is a shame because I think that we can learn a lot from them. That is why I decided to create a newsletter that shares the best testing articles which I found during the last week. Let’s get started. Technical Stuff Structured JUnit 5 testing is an interesting blog post that explains how you can structure your test cases by using nested inner classes and the given-when-then format. The Really Valuable Stuff Does Test Driven Development Work? is an excellent post that takes a look at both subjective discussions and academic research. Finally, the author shares his own thoughts about TDD. I recommend that you read this blog post because it’s a well-written blog post, and the author shares a lot links to external resources that help you to study this matter further. GDPR – The Forgotten Tests – Test 1 is an interesting blog post which describes why you must ensure that the personal information of your users is safe even if you

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