https://www.bleepingcomputer.com/news/security/cloudflare-says-it-lost-55-percent-of-logs-pushed-to-customers-for-35-hours/

Internet security giant Cloudflare announced that it lost 55% of all logs pushed to customers over a 3.5-hour period due to a bug in the log collection service on November 14, 2024.

Cloudflare offers an extensive logging service to customers that allows them to monitor the traffic on their site and filter that traffic based on certain criteria.