The library. Every incident, structured.
A growing archive of public postmortems, broken down into a consistent shape: what broke, why it cascaded, and what to take from it. New incidents added regularly.
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FM-025
One storage outage broke many Cloudflare productsCloudflare products shared a key-value database called Workers KV. When its backing storage failed, uncached reads and writes stopped, taking authentication, builds, AI requests, and other features with them.
Cloudflare
2025-06-12
2h 28m
SEV-1
storagekvthird-party