Zero-copy I/O in modern Linux: io_uring in practice
After rewriting our log aggregation pipeline using io_uring we saw 3× throughput improvement. Here's what the migration looked like and where the rough edges still are.
Software Engineering Notes
Infrastructure, systems programming and occasional rants about tools that get in the way.
Recent Posts
Postgres connection pooling: PgBouncer vs pgpool-II in 2026
Benchmarked both poolers under realistic SaaS workloads. The results were not what I expected — PgBouncer's transaction mode has a surprising edge case with prepared statements.
Deploying with Nix: a pragmatic approach for small teams
Not a full NixOS conversion story. Just using nix-shell and flakes to make deployments reproducible without the usual DevOps overhead.
Writing a minimal TLS 1.3 client from scratch
A learning exercise that taught me more about cryptography than any textbook. We'll implement the handshake, key schedule and record layer step by step.