LJC Lightning Talk: 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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in the Talks
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The number of developer ads is down in 2023 by about 25%. Spring Boot is back to 500% of Jakarta EE job ads, while Quarkus and Micronaut rose again after a four-month decline. The monthly number of Stack Overflow questions is down 42% since ChatGPT appeared.
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