At sufficient scale everything fails all the time, and the only real feature is being able to watch it happen.

_{— me, to a 🦆}

I work on the metric backend of Checkmk, its data backend for OpenTelemetry metrics that lets it monitor applications, not just infrastructure.
Before that I was at SAP, building the CI/CD infrastructure for HANA (their in-memory database): a graph-based task execution framework running on ~2000 compute nodes spread across multiple cloud providers and regions.

since 2021            csshW: broadcast your keystrokes to all your SSH sessions (successor: cssh-rs)
PyConDE '25            Rustifying Python: what's worth moving to Rust, and what will go wrong

2026-08-12 14:26 UTC  Checkmk/checkmk            metric-backend: align attribute-filter…
(yesterday)           Checkmk/checkmk            _{448 commits}

2026-08-11 14:23 UTC  Luiznunes12/bg3-nmcm       Design + prototype: dynamic mod discovery…
(this week)           Luiznunes12/bg3-nmcm       _{1 pull request}

2026-08-11 08:09 UTC  whme/bg3-name-your-summons Update release_template.md
(this week)           whme/bg3-name-your-summons _{70 commits · 50 pull requests · 48 issues}

2026-08-11 05:21 UTC  whme/whme                  Use the PyConDE mascot for the talk…
(this week)           whme/whme                  _{47 commits · 47 pull requests · 9 issues}

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_{All time}

JavaScript 36.0% (113k) · Python 21.8% (68.6k) · TypeScript 12.6% (39.6k) · Rust 11.2% (35.3k) · Vue 9.6% (30.1k) · Other 8.8% (27.6k)

_{Last updated 2026-08-13 14:33 UTC.}

_{Everything above refreshes every few hours via a small workflow. Here's how it's computed.
The 🦆 is maintained by hand.}