Upstash incident
Connectivity issue impacting Regional Databases in US-East-1
Upstash experienced a major incident on December 10, 2025 affecting AWS US-EAST-1, lasting 17m. The incident has been resolved; the full update timeline is below.
Affected components
AWS US-EAST-1
Update timeline
- investigating Dec 10, 2025, 11:50 AM UTC
We identified an issue in Regional Databases in US-East-1 where database replicase have connectivity issues with each other. Other regions are not impacted. Global databases are not impacted. We are working on the issue.
- resolved Dec 10, 2025, 12:08 PM UTC
Issue has been identified and replicas were successfully reconnected.