A persistent KeyValue Server in 40 lines and a sad fact

Advent time again .. picking up Peters well written overview on the uses of Unsafe, i’ll have a short fly-by…

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How is Java / JVM built ? Adopt OpenJDK is your answer!

Introduction & history As some of you may already know, starting with Java 7, OpenJDK is the Reference Implementation (RI)…

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Creating a REST API with Spring Boot and MongoDB

Spring Boot is an opinionated framework that simplifies the development of Spring applications. It frees us from the slavery of…

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JDK 9 – a letter to Santa?!

As everybody knows, winter (especially the time before Christmas) is a proper time for dreaming and hoping a moment when…

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Thread local storage in Java

One of the rarely known features among developers is Thread-local storage.  The idea is simple and need for it comes…

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Own your heap: Iterate class instances with JVMTI

Today I want to talk about a different Java that most of us don’t see and use every day, to…

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Developers want to be heard

How often have you been in this situation? You’re in a meeting with the team and you’re all discussing the…

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How (NOT TO) measure latency

Latency is defined as time interval between the stimulation and response and is a value which is of importance in…

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Detecting (write) failures when using memory mapped files in Java

Memory mapped files are a good and often overlooked tool. I won’t go into the details here on how they…

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