JVM performance tuning

Within a Java-based system, a lot of responsibility is put on the Java Virtual Machine (JVM) to make sure the application runs smoothly and reliably. JVM performance tuning issues are therefore of paramount concern to any Java developer. Application Performance Monitoring systems, interception, triage and collection each play an important role. In this section find news, research and tutorials on how to better understand JVM performance tuning, and get tips and advice for diagnosing and fixing JVM performance tuning more effectively. The JVM must be carefully monitored and attended to for optimum performance.

January 29, 2021 29 Jan'21
How to start Java's JVM Flight Recorder in 3 easy ways

JDK Mission Control is feckless without a Java Flight Recorder file to profile. Here are 3 easy ways you can start Java Flight Recorder in Eclipse and monitor your JVM in JMC.
May 22, 2019 22 May'19
How to force JDK 1.8 in the Maven compiler plugin POM entry

https://youtu.be/gbqeN982ulY Maven and Eclipse have always had a rocky relationship, and a common pain point between the two is how to force Maven JDK 1.8 support in new Eclipse projects. Without ...
March 22, 2019 22 Mar'19
Oracle's Java 12 adds developer productivity features

The latest version of the Java Platform, Standard Edition, delivers new features to make developers more productive with the Java programming language.
December 01, 2018 01 Dec'18
What is a lambda expression and from where did the term 'lambda' elute?

What is a 'lambda function' and more importantly, where did the term 'lambda expression' come from? Here we look at the basics of lambda functions in Java and computer science.

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Java garbage collection interview questions and answers

From stop-the-world events to the impact of JVM pause times, these are the Java garbage collection questions and answers developers need to know before an interview. Continue Reading
How use Epsilon GC to stop Java garbage collection

The best way to stop Java garbage collection from happening is to use the experimental Epsilon GC, no-op garbage collector from JDK 11. Learn how and when to use it. Continue Reading
A tough, 10-question Java garbage collection quiz

Do you know which Java garbage collector is deprecated and which is best for stateless apps? Test your knowledge in this Java GC algorithm and tuning quiz. Continue Reading

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JVM tuning vs. Java optimization: What's the difference?

JVM tuning and Java optimization sound similar, and both aim to boost application performance. But they take fundamentally different approaches to accomplish their goals. Continue Reading
How Quarkus fits into the Red Hat Runtimes formula

Faster microservices runtimes are the center of the excitement around Quarkus. Hear what Red Hat's James Falkner thinks about the framework in this podcast with TheServerSide.com. Continue Reading
New CDNs bring edge JavaScript to the app performance world

With content distribution networks loaded with edge JavaScript, Cloudfare promises to improve application performance and reducing resource consumption. Continue Reading

Learn to apply best practices and optimize your operations.

5 Java performance profiling tips to help tune your JVM

Check out these Java performance tips, such as which profiling tool to use, what data you need to save as part of your CI/CD pipeline and how to incorporate AI. Continue Reading
5 tips to reduce webpage weight and improve user experience

A slow landing page makes a bad first impression for any potential website visitor. Here are five tips to improve the page and increase page load speeds. Continue Reading
Java platform: Invigorating robustness and simplicity

Java platform architects reminisce about the design of Java and how the platform is being pushed forward. Continue Reading

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How to fix high Java CPU usage problems

The root cause of high Java CPU usage is not always simple to diagnose. Let's go over some common misdirections and review what often causes the problem under the hood. Continue Reading
Stop with the unsafe internal Java API calls, or the JDK will stop it for you

Soon, any code that uses Java internal APIs will not compile, and shortly after that, code that uses classes in sun.misc will not even run. Continue Reading