A Cloudflare outage occurred due to a React useEffect bug in the dashboard causing excessive calls to the Tenant Service API, leading to service overload and widespread API disruptions. The incident lasted approximately 75 minutes, affecting the Cloudflare Dashboard and API availability, while the core network services remained operational. Cloudflare has implemented several improvements including increased service capacity and better request monitoring to prevent similar incidents.

https://blog.cloudflare.com/deep-dive-into-cloudflares-sept-12-dashboard-and-api-outage/

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