Cloudflare outage on June 21, 2022

On June 21, 2022, Cloudflare experienced an outage affecting traffic in 19 data centers due to a change made during a project aimed at increasing resilience in their busiest locations. The incident began at 06:27 UTC and was resolved by 07:42 UTC. This outage impacted approximately 50% of total HTTP requests handled globally, even though the affected data centers account for only 4% of Cloudflare's network. The company apologized for the inconvenience caused and is working on improving processes, architecture, and automation to prevent similar incidents in the future.