The actual source rather than blog spam: https://blog.cloudflare.com/cloudflare-incident-on-november-14-2024-resulting-in-lost-logs/

Tldr

A short temporary misconfiguration lasting just five minutes created a massive overload that took us several hours to fix and recover from. Because our backstops were not properly configured, the underlying systems became so overloaded that we could not interact with them normally. A full reset and restart was required.