Stefan Johansson
where else to find them
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what they talk about
where they keep going back
- JavaOne2 editions2025–2026
on a stage with
all 4 in the filters
who talks about the same things
- Erik Österlund10 talks
- Monica Beckwith16 talks
- Jean-Philippe Bempel11 talks
- Kirk Pepperdine14 talks
- Igor Braga2 talks
- Gil Tene15 talks
| title | conference | date |
|---|---|---|
| ZGC: A Decade of Redefining Java Performance | JavaOne 2026 | 2026-03-17 |
ZGC goes from an experimental JDK11 feature to a production collector in JDK25/26, claiming sub‑millisecond pause times by doing liveness analysis, object… | ||
| How JDK 26 Improves G1's Throughput | JavaOne 2026 | 2026-03-17 |
JDK 26 reduces G1 write-barrier overhead by replacing fine-grained per-write synchronization with two card tables that the app threads mark and a concurrent… | ||
| Java Next - Live Stream | JavaOne 2026 | 2026-03-17 |
Live stream walks through concrete JDK26 changes and ecosystem moves: a new PEM encoding API for certificates/keys and a simple decoder/encoder flow… | ||
| Garbage Collection in Java: The Performance Benefits of Upgrading | JavaOne 2025 | 2025-03-18 |
Upgrading past JDK8 yields concrete wins: SPECjbb2015 shows parallel and G1 throughput up ~20–30% and latency scores improve more than 50% versus JDK8… | ||
| Garbage Collection Primer | Devoxx Belgium 2024 | 2024-10-07 |
Quick, actionable GC notes: prefer G1 or ZGC for backend services, test at least two collectors, and re-evaluate across JDK releases. Measured gains: P99 pause… | ||
| Garbage Collection in Java: The progress since JDK 8 | Devoxx Belgium 2024 | 2024-10-07 |
Since JDK 8 the JVM’s collectors shrink pauses and cut overhead: SPECjbb2015 runs show parallel up ~30% throughput versus JDK 8, G1 >40% throughput and roughly… | ||
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