Monitoring and detecting memory leaks in your java application

So your application is running out of memory, you’re spending days and nights analyzing your application hoping to catch the memory holes in your objects.…

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Power of Java MemoryMapped File

Power of Java MemoryMapped File In JDK 1.4 an interesting feature of Memory mapped file was added to Java, which…

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How to create a memory leak

This is going to be a rather evil post – something you will be googling when you really wish to…

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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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Monitoring Key JVM Characteristics with Groovy, JMX, and RuntimeMXBean

Since J2SE 5, Platform MBeans have been available that allow some key characteristics regarding the JVM to be monitored and…

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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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Hunting down memory leaks: a case study

A week ago I was asked to fix a problematic webapp suffering from memory leaks. How hard can it be,…

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Analysing a Java Core Dump

In this post, I will show you how you can debug a Java core file to see what caused your…

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How aggressive is method inlining in JVM?

Ctrl + Alt + M is used in IntelliJ IDEA to extract method. Ctrl + Alt + M. It’s as…

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