Notes on data infrastructure, latency, and small systems.

Occasional write-ups about running lean services: network paths, storage layout, and the boring engineering that keeps things online.

Recent notes

Round-trip time is a symptom, not a cause. A short field guide to reading traceroute output without jumping to conclusions.

Swap, log rotation, and monitoring thresholds for single-node deployments with very little headroom.

Notes on ACME renewal hooks and why restarts beat reloads for some services.

A tiny CLI that records and compares network path snapshots across hosts.

Boot-time profiling helper for minimal Linux images.

Independent engineering notes. Written by hand, published irregularly. Corrections welcome at hello@genetale.com.