https://norlinder.nu/posts/GC-Cost-CPU-vs-Memory/
Java 26: MemoryMXBean.getTotalGcCpuTime() — Explicit GC Cost | Jonas Norlinder
Feb 23, 2026 - The author of Java 26's MemoryMXBean.getTotalGcCpuTime() analyzes the CPU-memory trade-off and why pause times fail to capture explicit GC cost.
jonas norlinderjavaexplicitgccost
https://norlinder.nu/
Jonas Norlinder
Oracle JVM Engineer. GC researcher. Empirical research and deep dives into the OpenJDK HotSpot mainline, ZGC, and Java performance.
jonas norlinder
https://norlinder.nu/posts/On-the-Boundaries-of-Final/
On the Boundaries of Final | Jonas Norlinder
Mar 21, 2026 - Explore JEP 500 and the Java Memory Model to understand the 'final' keyword. Learn why immutable Java fields appear mutable during unsafe publication.
on thejonas norlinderboundariesfinal
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https://norlinder.nu/posts/Mark-Scavenge-on-Inside-Java/
Mark-Scavenge: Waiting for Trash to Take Itself Out (Blog Post on inside.java) | Jonas Norlinder
Mar 21, 2026 - Read my deep dive on Inside.java about Mark-Scavenge, a novel ZGC algorithm that reduces dead object relocation by up to 91%.
blog postinside javajonas norlindermarkwaiting
https://norlinder.nu/tags/performance/
Performance | Jonas Norlinder
Oracle JVM Engineer. GC researcher. Empirical research and deep dives into the OpenJDK HotSpot mainline, ZGC, and Java performance.
jonas norlinderperformance
https://norlinder.nu/posts/User-CPU-Time-JVM/
One Giant Leap: 95% Less CPU Sampling Cost in OpenJDK | Jonas Norlinder
Mar 21, 2026 - Reading Linux /proc files for thread CPU time destroys throughput. Learn how my OpenJDK 26 patch uses clock_gettime to speed up JVM thread monitoring by 20x.
one giant leapjonas norlinderlesscpusampling