GC progress from JDK 8 to JDK 17
JDK 17 has been out for a few months and it’s not just packed with new language features. The performance boost compared to older JDK versions is also really significant. It becomes especially clear when compared to the previous LTS releases, JDK 8 and JDK 11. Much of the improved performance comes from new features and optimizations in the JVM and in this post the focus will be on the improvement
G1GC Feedback - G1GC Feedback - OpenJDK Wiki
IntroductionAs described in JEP 248, in JDK 9 the default garbage collector will switch from Parallel Garbage Collector (Parallel GC) to G1 Garbage Collector (G1GC). This wiki-page aims to outline the basic JVM parameters switching to G1GC, and how you can help collecting data comparing the G1GC and Parallel GC. Usually we would like to ask for gc logs, printed  with '-XX:+PrintGCTimeStamps -XX:+P
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