Threshold issues with Advanced Rate Limiting

Orinal source post by Cloudflare

Jul 20, 17:43 UTC
Resolved - This incident has been resolved.

Jul 20, 17:05 UTC
Monitoring - A fix has been implemented and we are monitoring the results.

Jul 20, 14:10 UTC
Identified - The issue has been identified and a fix is being implemented.

Jul 20, 14:09 UTC
Investigating - With Advanced Rate Limiting, requests will be limited before thresholds have been reached in some configurations. In other configurations, Advanced Rate Limiting may fail to limit requests after thresholds have been reached.

A small proportion of total rate limiting requests should be impacted