Surviving the region you run in: failover on Aurora DSQL, and what the demo proves
The thesis Quorum is built on is uncomfortable and true: the tools a team uses to coordinate an incident often live in the same region as the thing th…
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Railway vs Fly.io: I Wanted More Control After Railway’s May 2026 Outage
TL;DR I no longer recommend Railway for serious production workloads after its recent pattern of incidents. Fly.io is not simpler, but it is one of th…
Why We Restart to Fix It
On Second Thought — Episode 10 The pager has gone off. Memory on the auth service is climbing in a way it should not be. You SSH in, you observe nothi…
The Fire That Reached the Backups: The OVHcloud Strasbourg Data-Centre Fire, 2021
Tales from the Bare Metal — Episode 05 In the early hours of 10 March 2021, a fire began in a power room in Strasbourg. By morning an entire data cent…
Claude Code for Canary Deployments: How I Ship to 1% of Users Before Breaking Everything
I used to ship by faith. The change passed code review, the tests went green, the deploy button was right there, and I pressed it. Most of the time it…
How to Fix Slow DNS Lookup: A Complete Troubleshooting Guide
Every connection your application makes starts with a DNS lookup. When that lookup is slow — or fails entirely — the symptoms range from vague latency…
Семь раз посчитай — один раз урони: моделируем инциденты до деплоя
Ракету не отправляют в космос только потому, что её двигатель и насос успешно прошли стендовые испытания по отдельности. Перед стартом инженеры рассчи…