Writing.

How we shipped 15 Tbps for OpenAI in 90 days (Session 1 of 3)

OpenAI wanted a second Object Storage instance, in customer-facing production, at 15 Tbps, in three months. Session 1 covers the first week: closing the architecture.

Storage at scale: what I actually watched

For eight years I ran SRE for a storage system measured in exabytes. The dashboard I checked every morning shrank to seven numbers. Here they are.

Five rules for running an incident

The difference between a 10-minute incident and a 3-hour outage is rarely technical. Five things I wish every on-call team locked in before their first big page.

Three 5xx and one 4xx: the codes I actually care about

How I read 500, 502, 503, and 429 in production at scale, and what each one is really telling you.

Operational Readiness: The Review That Catches Problems

A short, verifiable checklist for production launches. What to ask, why ORRs become theater, and where AI helps.

Service Levels: SLI, SLO, SLA

What SLI, SLO, and SLA actually mean, why the order matters, and where AI helps.