Notes

Field notes from production

Short, practical writing on reliability, system design, and operational tradeoffs learned from shipping real systems.

Designing SLOs that actually drive behavior

How to pick SLIs, set realistic error budgets, and connect reliability metrics to product decisions.

A production-safe approach to data and service migrations: dual writes, backfills, and staged cutovers.

Tactics for release confidence when you don’t have a large QA or SRE function.