Starting as early as at least 2022-10-26, users may experience a significant performance degradation when enabling HTTP/3 on their sites. Users are advised to disable HTTP/3 for better performance.
Update: Improvements have been made to HTTP/3 performance recently that greatly reduce the impact of this regression.
We have also determined that this issue impacted Magic Network Monitoring rule analytics. We are continuing to monitor the effectiveness of the applied fix.
Posted Dec 18, 2024 - 23:11 UTC
Monitoring
Our investigation determined that API discovery and rate limiting recommendation for API shield customers were also delayed by this issue. A fix has been implemented and we are currently monitoring the results.
Posted Dec 18, 2024 - 20:19 UTC
Identified
The cause of this issue has been identified and a fix is being implemented.
Posted Dec 18, 2024 - 17:55 UTC
Investigating
We are investigating an issue resulting in delayed updates to Magic Tunnel Health Checks analytics and alerting. No impact to edge traffic is being observed at this time.
Posted Dec 18, 2024 - 17:21 UTC
This incident affected: Cloudflare Sites and Services (Analytics).