Sirv experienced a minor incident on December 15, 2022 affecting Sirv CDN (CDN request from London), lasting 40m. The incident has been resolved; the full update timeline is below.
Affected components
Sirv CDN (CDN request from London)
Update timeline
- investigating Dec 15, 2022, 05:24 PM UTC
Sirv CDN experienced an issue whereby approximately 7% of non-cached requests (<1% of all requests) returned an empty 200 response. Most requests were for cached files, which were unaffected.
- resolved Dec 15, 2022, 06:04 PM UTC
The issue was resolved at 1804hrs UTC, after a period of 40 minutes. The cause was a misconfiguration error in newly deployed code for improving cache logic. Additional automated and manual checks have been implemented, to prevent this from recurring. Classified as severity level 3: Minor impact.