Author: Karsten Silz
Aug 24, 2020 1 min read

Permalink: https://betterprojectsfaster.com/learn/talks-ljc-lightning-talk-2020-eclipse-openj9/

LJC Lightning Talk: Eclipse OpenJ9: Memory Diet for Your JVM Applications

Illustration for Eclipse OpenJ9: Memory Diet for Your JVM Applications

Talk

In the spring of 2020, the London Java Community (LJC) started hosting online lightning talks every other Friday. I was honored to give my first lightning talk there on May 1, 2020.

I discussed Eclipse OpenJ9, an alternate JVM. It uses less memory, especially in containers. Therefore OpenJ9 lowers the cost of running your Java applications.

Video

The talk is on YouTube:

Slides

The slides are available as PDF on Github.

Source Code & Getting Started

I used two different applications to benchmark OpenJ9 against HotSpot. All the sources and more result details are in a Github repository. That repository also shows you how can start using OpenJ9 in your own projects, too!

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Part 1 of 13 in the Talks series.
« LJC Lightning Talk: Google Jib: Smaller & Faster Docker Images for Java Applications

This month in "How to Build Java Applications Today":
What will be in Java 21, IntelliJ will look like Visual Studio Code which doesn't replace IntelliJ, all Java frameworks have major releases, and surge of React & React Native in job ad mentions over.

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