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2026

The internet is running out of people who answer questionsStack Overflow now gets about 2.5% of the questions it got before ChatGPT. I went through the Stack Exchange data dump, Wikipedia's statistics and archived robots.txt files to see what else is shrinking, and why.Σ SocietyNov 1, 202619 min read

2025

Measuring the energy footprint of your codeHow to read CPU energy counters on Linux, what they leave out, and what measurements on a busy AMD Ryzen server show about when faster code saves energy.λ SoftwareJan 28, 202530 min read
PID 1 in containers: signals, zombies and graceful shutdownWhat changes when your application runs as PID 1 in a container, and how to get SIGTERM, child processes and pod termination right in Docker and Kubernetes. Every case was tested on real images and a Kubernetes 1.35 cluster.λ SoftwareJan 21, 202528 min read

2023

Pinning goroutines to CPU cores, revisitedIn 2023 I wrote a weekend Go package that tried to pin goroutines to CPU cores, and misread its own benchmark. I rebuilt it and measured what pinning does on a Ryzen 5 3600 inside a Kubernetes pod.Δ ProjectsNov 23, 202330 min read