Save the date! P99 CONF 2026 — October 21-22. Call for speakers is open!

SESSION ON-DEMAND

All Things P99

The event for developers who care about P99 percentiles and high-performance, low-latency applications

G1: To Infinity and Beyond

Stefan Johansson (Oracle) provides insights on the G1 JVM garbage collector — what’s new, how it impacts performance, and what’s on the roadmap.

20 Minutes
Stefan Johansson

Stefan Johansson, Principle Member of Technical Staff at Oracle

Stefan is a software engineer working in the HotSpot GC-team at Oracle. He joined the GC-team in 2013 and has been active in OpenJDK since then with a focus on the G1 and ZGC garbage collectors. Prior to working with GC in the JVM he was working on other JVM related projects at Oracle/Bea.