🔴 CloudFront is experiencing a routing capacity crisis in its packet processing subsystem—turns out AWS's packet processing infrastructure is just like your closet: it works fine until you try to fit one more thing in. VPC Origins customers are getting a symphony of 5xx errors while AWS engineers test a mitigation strategy that hopefully doesn't involve unplugging and plugging back in again.

// The official story

Service degradation: Increased 5xx Errors

// Status page says

We continue working to resolve the increased 5xx errors for CloudFront customers utilizing VPC Origins connectivity. Customers utilizing other origin types remain unaffected by this issue. We have further scoped the issue down to routing table capacity within the packet processing subsystem responsible for routing requests from CloudFront's edge locations to resources within customer VPCs. We have identified and are currently testing a mitigation strategy to resolve the issue. Once testing is co