Java 22 / JDK 22: General Availability: https://mail.openjdk.org/pipermail/jdk-dev/2024-March/008827.html

Features: https://openjdk.org/projects/jdk/22/

#java22 #jdk22 #openjdk #java

"In fact, we’ve found for our services and architecture that there is no such trade off. For a given CPU utilization target, [generational] ZGC improves both average and P99 latencies with equal or better CPU utilization when compared to G1."

Writes Netflix' @dannythomas:

https://netflixtechblog.com/bending-pause-times-to-your-will-with-generational-zgc-256629c9386b

“Netflix has switched by default from G1 to Generational ZGC on JDK 21 and later, because of the significant benefits of concurrent garbage collection.

“More than half of our critical streaming video services are now running on JDK 21 with Generational ZGC, so it’s a good time to talk about our experience and the benefits we’ve seen.”

— @dannythomas, https://netflixtechblog.com/bending-pause-times-to-your-will-with-generational-zgc-256629c9386b

#OpenJDK #Java

“Generational ZGC and Beyond” by @eosterlund_fisk

https://www.youtube.com/watch?v=YyXjC68l8mw

#Java #OpenJDK #JVMLS #JVMLS2023

Say NO to stack walking in signal handlers. Join me on my journey of taming the Bias: Unbiased Safepoint-Based Stack Walking. Embrace memory allocations, locks, and virtual threads in profiling.

@eosterlund_fisk had an idea and I the time https://mostlynerdless.de/blog/2023/08/10/taming-the-bias-unbiased-safepoint-based-stack-walking/