List/Grid Tag Archives: JVM

java-logo

Java Flight Recorder (JFR)

JFR is a Java profiler which will allow you to investigate the runtime characteristics of your code. Typically you will use a profiler to determine which parts of your code are causing ...
java-logo

JVM is down with “OutOfMemory” error – what should I do?

Amazing as it may seem, but this particular cry “From the Depths” is frequently displayed among the results of search requests regarding JVM settings. You have probably been faced ...
java-interview-questions-answers

Starting multiple JBoss A-MQ JVMs on the same machine

So I haven’t been blogging as much recently — just been really busy. But my New Year’s resolution is to blog a little more sharing some things I come across frequently, even if ...
java-logo

How is Java / JVM built ? Adopt OpenJDK is your answer!

Introduction & history As some of you may already know, starting with Java 7, OpenJDK is the Reference Implementation (RI) to Java. The below timeline gives you an idea about the ...
java-logo

Testing JVM server-side JavaScript with Jasmine, Spock and Nashorn

JavaScript usage is not limited to client-side code in browser or NodeJS powered server-side code. Many JVM based projects are using it as internal scripting language. Testing this ...
java-logo

cjmx: A command-line version of JConsole

JConsole is a nice tool when it comes to monitoring a running Java application. But when it is not possible to connect to a JVM with JConsole directly (due to network restrictions for ...
java-logo

Own your heap: Iterate class instances with JVMTI

Today I want to talk about a different Java that most of us don’t see and use every day, to be more exact about lower level bindings, some native code and how to perform some small ...
java-logo

On heap vs off heap memory usage

Overview I was recently asked about the benefits and wisdom of using off heap memory in Java. The answers may be of interest to others facing the same choices. Off heap memory is nothing ...
java-logo

Self-healing JVM

This post is an example about an application where the first solution to each and every IT problem – “have you tried turning it off and on again” – can backfire and do more ...
java-logo

Java performance tuning survey results (part IV)

This is the last post in series where we analyze the results of the Java Performance Tuning Survey we conducted in October 2014. If you have not read the first posts, I recommend to ...
Java Code Geeks and all content copyright © 2010-2015, Exelixis Media Ltd | Terms of Use | Privacy Policy | Contact
All trademarks and registered trademarks appearing on Java Code Geeks are the property of their respective owners.
Java is a trademark or registered trademark of Oracle Corporation in the United States and other countries.
Java Code Geeks is not connected to Oracle Corporation and is not sponsored by Oracle Corporation.
Do you want to know how to develop your skillset and become a ...
Java Rockstar?

Subscribe to our newsletter to start Rocking right now!

To get you started we give you two of our best selling eBooks for FREE!

Get ready to Rock!
You can download the complementary eBooks using the links below:
Close