Fernando Simões

Hello! I’m a software engineer working on infrastructure. This blog is about what I find interesting in computers.

Notes

12 Jun, 2026 An experiment on Postgres read latency
21 Mar, 2026 Where did 400 MiB go?
11 Dec, 2025 Investigating 108,725 forks
21 Oct, 2025 Breaking a program
08 Apr, 2025 Sigterm a D state process

Others

I’ve been curating a list of computer science papers, blog posts, and videos.

Hänsel und Gretel plaque at the Bosque Alemão (German Woods) in Curitiba

My son's custom Lego build — My son's custom Lego build: mad scientist and robot headed to outer space. Yes, the stairs are there just in case