Resolved after 7 minutes, affecting US-West and US-West and 1 more, on January 13, 2026.
### **Dates:** Tuesday, January 13th 2025, 9:10 UTC - 10:37 UTC. ### **What happened:** The App Storage Service experienced high response times in the US-West-1 datacenter. ### **Why it happened:** Due to a high number of concurrent uploads, the App Storage Service experienced increased connection latency and delays in acquiring connections to the backend. ### **How we fixed it:** Service was restored by restarting the application. ### **What we are doing to prevent it from happening again:** We are improving monitoring, alerting and validations for the App Storage Service to backend connectivity. We are also evaluating how to handle periods of increased load and proactively detect performance degradation to implement automated remediation and self-healing capabilities.
Affected components
Update timeline
- investigating Jan 13, 2026, 10:43 AM UTC
We are currently experiencing issues with our app storage service in the US-West-1 Data Center. We are investigating the issue.
- resolved Jan 13, 2026, 10:50 AM UTC
After taking remedial action, the app storage service has been restored in the US-West-1 Data Center. All services are fully operational.
- postmortem Feb 03, 2026, 01:56 PM UTC
### **Dates:** Tuesday, January 13th 2025, 9:10 UTC - 10:37 UTC. ### **What happened:** The App Storage Service experienced high response times in the US-West-1 datacenter. ### **Why it happened:** Due to a high number of concurrent uploads, the App Storage Service experienced increased connection latency and delays in acquiring connections to the backend. ### **How we fixed it:** Service was restored by restarting the application. ### **What we are doing to prevent it from happening again:** We are improving monitoring, alerting and validations for the App Storage Service to backend connectivity. We are also evaluating how to handle periods of increased load and proactively detect performance degradation to implement automated remediation and self-healing capabilities.
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Amazon Web Services