The G1 Garbage Collector in JDK 9 - Features and Improvements

Explore the G1 garbage collector, the default in JDK 9, in this 30-minute Java conference talk. Delve into the goals and implementation of G1, comparing it to other OpenJDK garbage collectors. Learn about generational region-based memory management and how G1 balances good throughput with pause-time goals. Discover JDK 9 improvements to G1, including string deduplication, class unloading, and reclamation of humongous regions. Gain insights into adaptive concurrent mark, more efficient collections, and a preview of post-JDK 9 features. Conclude with a Q&A session to deepen your understanding of this crucial Java component.

Intro
What is G1
String
Class Unloading
reclamation of humongous regions
adaptive concurrent mark
more efficient collections
future of G1
QA