Johannes Bechberger
where else to find them
website:https://mostlynerdless.de
github:parttimenerd
bluesky:mostlynerdless.de
mastodon:@parttimenerd@mastodon.social
speakerdeck:parttimenerd
devto:parttimenerd
what they talk about
all 5 in the filters
where they keep going back
- JCON EUROPE2 editions2025–2026
all 11 in the filters
on a stage with
who talks about the same things
- Mohammed Aboullaite32 talks
- Simon Ritter72 talks
- Maurice Naftalin30 talks
- Richard Warburton9 talks
- Per Minborg22 talks
- Ionut Balosin13 talks
| title | conference | date |
|---|---|---|
| Guess the Java Version | JCON EUROPE 2026 | 2026-04-20 |
An interactive quiz presents Java 1.0–25 snippets and scores fastest correct guesses for points and handmade t-shirt prizes, running entirely in the browser… | ||
| JDK 25's new CPU-Time Profiler | Jfokus 2026 | 2026-02-02 |
JDK 25 adds a CPU-time profiler that samples by CPU consumption rather than wall clock, producing one sample per 10ms of CPU time (bounded by a default 500… | ||
| hello-ebpf: Writing eBPF Programs Directly in Java | JCON EUROPE 2025 | 2025-05-12 |
hello-ebpf Java library lets eBPF programs be written in Java by compiling a restricted Java subset to C with a Maven compiler plugin (~4–5k lines), using… | ||
| Building a lightning fast Firewall with Java & eBPF | NDC Security 2025 | 2025-01-20 |
Claims a working Java-based eBPF firewall using the hello-ebpf library to load eBPF programs and BPF maps from Java, attaches at XDP for kernel‑level packet… | ||
| Write your own Firewall with Java & eBPF | Øredev 2024 | 2024-11-06 |
Claims a runnable high-throughput firewall built by combining Java and eBPF that actually loads BPF bytecode from Java, attaches to XDP and drops packets at… | ||
| Building a Lightning Fast Firewall with Java & eBPF | Devoxx Belgium 2024 | 2024-10-07 |
Claims a Java-driven XDP firewall that drops packets in-kernel with eBPF, using hello-ebpf and Project Panama to compile Java-ish code into C then into BPF… | ||
| Python 3.12's new monitoring and debugging API | PyData Paris 2024 | 2024-09-25 |
Python 3.12 exposes PEP 669 low‑impact monitoring that registers callbacks in the mon namespace, enables events per function and per thread, and patches… | ||
| Build a lightning fast Firewall with Java & eBPF | CPH DevFest 2024 | 2024-08-26 |
Claims a Java library called hello-ebpf lets Java apps compile and load eBPF programs (via libbpf and Project Panama) to the kernel, attach an XDP hook to the… | ||
| Instrument to Remove: Using Java agents for fun and profit | Voxxed Days Zürich 2024 | 2024-03-07 |
A small Java agent prototype instruments classes by inserting a static initializer via javassist bytecode insertion to record class usage, then appends a… | ||
| Unleash the Power of Open-Source Java Profilers | JCON WORLD ONLINE 2023 | 2023-11-20 |
A practical walkthrough of open-source Java profilers that shows concrete wins: a quiz web server hitting ~90 concurrent users slows to crashes when every… | ||
| Write your own Java Profiler in 240 lines of pure Java | J-Fall 2023 | 2023-11-09 |
Claims a usable Java profiler fits in 240 lines of pure Java and the published version is 251 lines after fixes. It runs as a Java agent, samples every ~10–20… | ||
| Writing a Java Profiler in Pure Java | code.talks 2023 | 2023-09-14 |
A working Java sampler runs concurrently inside the JVM, collects stack traces via Thread.getAllStackTraces, aggregates them into a compact tree and emits… | ||
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