JVM
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Core Java
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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Core Java
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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Core Java
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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Core Java
QOTD: Java Thread vs. Java Heap Space
The following question is quite common and is related to OutOfMemoryError: unable to create new native thread problems during the…
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Core Java
Java heap space, native heap and memory problems
Recently, I was discussing with a friend, why the Java process uses more memory than the maximum heap that we…
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Enterprise Java
Java Thread: retained memory analysis
This article will provide you with a tutorial allowing you to determine how much and where Java heap space is…
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Core Java
Weak, Weaker, Weakest, Harnessing The Garbage Collector With Specialist References
When and when not to use specialist references in Java Weak, Soft and Phantom references are dangerous and powerful. If…
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Core Java
Under the JVM hood – Classloaders
Classloaders are a low level and often ignored aspect of the Java language among many developers. At ZeroTurnaround , our…
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Core Java
Should I use a 32- or a 64-bit JVM?
This is a question I have faced several times during my career in enterprise software development. Every once in awhile…
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