Kirk Pepperdine

Independent Java performance consultant. “Measure, don’t guess.” Performance tuning, benchmarking, large-heap analysis, JVM crash diagnosis, training. Java Champion, creator of jPDM.

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Standards Over Lock-In: Modernizing Java with Jakarta EE 11 on Azul Payara 7

Learn how to get your Java applications to cloud-native, AI-ready infrastructure without a costly rewrite or vendor lock-in. Join the engineers behind Azul Payara 7 on July 9.

Towards an understanding of sustainable software development, written by and for the friends of OpenJDK

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Nulling Out References Won’t Help Your Garbage Collector

Table of Contents The collector doesn't delete anythingMost objects die youngref = null is dead codeWhen ref = null can helpConclusionOne of the misconceptions that I continuously run into is that nulling out references in Java helps garbage collection. This ...

Jul 09 32

Kirk Pepperdine

Performance

Retweet on Twitter Foojay.io Retweeted

If you want to know what I spoke about in @jcon_conference in Germany, here's an interview I did at the @foojayio podcast:

#Java #JCON #JakartaEE #AI #A2A

02:06 PM · May 04, 2026

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Our team loves to meet and talk with the Java community from around the world. If you want to learn more. You can find all OmniFish presentations at: https://speakerdeck.com/omnifish, including links to the source code of related demos. Or get in touch for a free consultation call.

10:13 AM · April 30, 2026

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Another happy customer :)
"Their expertise and flexible hands-on troubleshooting support accelerated resolution of several unexpected hurdles and ultimately got us to a successful upgrade outcome."

If you would like to discuss how we could help your company, get in touch.

09:55 AM · April 21, 2026