Java
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How JVMTI tagging can affect GC pauses
This post is analyzing why and how Plumbr Agents extended the length of GC pauses on certain occasions. Troubleshooting the underlying problem…
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Do not unit test bugs
Before getting to the topic of the title let’s have a simple programming sample. On the programming task I will…
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Inconsistent operation widen rules in Java
Overview When you perform a unary or binary operation in Java the standard behaviour is to use the widest operand…
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OSGi Service Test Helper: ServiceCollector
OSGi services come in handy for the development of systems based on loosely coupled components. But loose coupling can make…
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JMH: How to setup and run a JMH benchmark
Health Warning! This post describes how to setup and run a simple JMH benchmark. Micro benchmarks are notoriously difficult to get…
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Storing months of historical metrics from Hystrix in Graphite
One of the killer-features of Hystrix is a low-latency, data-intensive and beautiful dashboard: …
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How to fix optimistic locking race conditions with pessimistic locking
Recap In my previous post, I explained the benefits of using explicit optimistic locking. As we then discovered, there’s a…
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Maven Tip: All about executable jars
Maven Tip: All about executable jars An executable jar is an extremely useful artefact when it comes to distributing your…
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EE JSP: Generating Dynamic Content with Custom Tag Libraries
When developing View layer in a web application, you want to try not to duplicate content in JSP files as…
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