JRockit jrcmd tutorial

This article will provide you an overview and tutorial on how you can perform an initial analysis and problem isolation…

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Java Heap Space – JRockit and IBM VM

This article will provide you with an overview of the JRockit Java Heap Space vs. the HotSpot VM. It will…

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JVM: How to analyze Thread Dump

This article will teach you how to analyze a JVM Thread Dump and pinpoint the root cause of your problem(s).…

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Patching Java at runtime

This article will slightly highlight how to fix issues with third party libs that can’t be circumvented are difficult to…

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What is behind System.nanoTime()?

In java world there is a very good perception about System.nanoTime(). There is always some guys who says that it…

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Practical Garbage Collection, part 1 – Introduction

This is the first part of a series of blog posts I intend to write, whose aim will be to…

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Debugging the JVM

In some (rare) cases you might find yourself in the situation that you managed to crash the JVM itself. I…

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JVM options: -client vs -server

Have you ever wonder what is this -client or -server switch when you run your java app? e.g.: javaw.exe -client…

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