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.
A fix has been implemented and we are monitoring the results.
Posted Jul 26, 2024 - 20:22 UTC
Identified
The issue has been identified and a fix is being implemented.
Posted Jul 26, 2024 - 20:20 UTC
Update
We are continuing to investigate this issue.
Posted Jul 26, 2024 - 20:15 UTC
Investigating
Cloudflare is investigating an increased level of HTTP 502 errors in certain locations.
We are working to analyse and mitigate this problem. More updates to follow shortly.
Posted Jul 26, 2024 - 20:13 UTC
This incident affected: Europe (Belgrade, Serbia - (BEG), Bucharest, Romania - (OTP), Budapest, Hungary - (BUD), Düsseldorf, Germany - (DUS), Hamburg, Germany - (HAM), Paris, France - (CDG)) and Cloudflare Sites and Services (CDN/Cache).