GitHub - danluu/post-mortems: A collection of postmortems. Sorry for the delay in merging PRs!Allegro. E-commerce site went down after a sudden traffic spike caused by a marketing campaign. The outage was caused by a configuration error in cluster resource management which prevented more service instances from starting even though hardware resources were available. Cloudflare. A bad config (router rule) caused all of their edge routers to crash, taking down all of Cloudflare. Cloudflare. D
