Postmortem: EU Cloud Region Service Disruption
Date: March 20, 2026
Incident Duration: ~2:00 AM PST – 9:00 AM PST
Impact: Total service outage for the EU Cloud Region. Exit nodes remained functional, but downstream resources were inaccessible.
Executive Summary
On March 20, 2026, at approximately 2:00 AM PST, the EU Cloud Region experienced a total service outage. The failure originated from database write timeouts to the US-East region, which triggered a cascadin...