Coinbase’s May 2026 AWS Cooling Failure Shows Why Single‑Zone Designs Still Crumble
Coinbase’s post‑mortem reveals that a cooling‑unit malfunction in an AWS us‑east‑1 data hall knocked out EC2 instances and its matching engine, shutting trading for eight hours. The incident highlights how reliance on a single availability zone can cascade into platform‑wide outages and why multi‑zone resilience is essential.