JVM Buzzwords Java developers should understand

This article will share with you a few JVM “buzzwords” that are important for Java developers to understand and remember before performing any…

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ClassNotFoundException: is it slowing down your JVM?

Most Java developers are familiar with the infamous and very common java.lang.ClassNotFoundException. While the sources of this problem are generally…

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Java VM – Beware of the YoungGen space

As you may have seen from our previous performance oriented articles, a healthy JVM is one of the most important…

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Java Just-In-Time compilation: more than just a buzzword

A recent Java production performance problem forced me to revisit and truly appreciate the Java VM Just-In-Time (JIT) compiler. Most…

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GC Memory Visualizer Tutorial – Part1

As you may have read from past articles, one of the key Java programmer skills to acquire is your ability…

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HotSpot GC Thread CPU footprint on Linux

The following question will test your knowledge on garbage collection and high CPU troubleshooting for Java applications running on Linux…

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OpenJPA: Memory Leak Case Study

This article will provide the complete root cause analysis details and resolution of a Java heap memory leak (Apache OpenJPA…

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Java concurrency: the hidden thread deadlocks

Most Java programmers are familiar with the Java thread deadlock concept. It essentially involves 2 threads waiting forever for each…

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Java 8: From PermGen to Metaspace

As you may be aware, the JDK 8 Early Access is now available for download. This allows Java developers to…

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