Home » Author Archives: Baptiste Wicht

Author Archives: Baptiste Wicht

Baptiste Wicht is a swiss computer science student. He's very interested in Java, C++, Assembly, Compiler Theory, ... He also is the developer of the EDDI programming language.

Zabbix – Low Level Discovery of cores, CPUs and Hard Disk

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Zabbix SSD Status, configured with Low Level Discovery At home, I’m using Zabbix to monitor my servers, it has plenty of interesting features and can be extended a lot by using User Parameter. In this post, I’m gonna talk about Low Level Discovery (LLD). If you are only interested in the final result, go the Conclusion section, you can download ...

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Profile your applications with Java VisualVM

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When you need to discover what part of an application consume the more CPU or Memory, you must use a profiler to do that. One profiler, packed by default with the Sun JDK is Java VisualVM. This profiler is really simple to use and really powerful. In this post, we’ll see how to install it and use it to profile ...

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OSGI and Spring Dynamic Modules – Simple Hello World

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In this pose st, we’ll take the first implementation we made using OSGi and use Spring Dynamic Modules to improve the application. Spring Dynamic Modules (Spring Dm) makes the development of OSGi-based applications a lot more easier. With that, the deployment of services is a lot easier. You can inject services like any other Spring beans. So let’s start with ...

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OSGi – Simple Hello World with services

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In this post, we’ll develop a simple Hello World application with OSGi. We will use Felix as OSGi container. In the next post, we’ll continue with this application and use Spring Dynamic Modules to improve it. To make the development interesting, we will create two bundles: A bundle providing a service of HelloWorld A bundle consuming the service to print ...

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Java Micro-Benchmarking: How to write correct benchmarks

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Several months ago, I wrote an article to compare the performances of short indexes for loops. I asked myself of the performances using shorts as loop indexes for loop with few iterations. In Java language, all the operations on integers are made in int. Thus, if we use a short as loop index, at each iterations, a typecasting will be ...

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