AWS us-east-1 Outage Disrupted Major Apps; Amazon Cites DNS Issue With DynamoDB (Now Resolved)
AWS us-east-1 Outage Disrupted Major Apps; Amazon Cites DNS Issue With DynamoDB (Now Resolved) A widespread incident in Amazon Web Services’ us-east-1 region on October 20 (ET) caused increased error rates and latency across multiple services, temporarily disrupting major apps including Snapchat, Venmo, Lyft, Fortnite—and even Amazon’s own Alexa. By the afternoon, AWS said most services had returned to normal, with request backlogs clearing into the evening. Amazon later confirmed the broader resolution of the issue. What happened AWS identified the trigger as a DNS resolution issue impacting DynamoDB endpoints. That meant many apps could not reliably reach their databases, causing timeouts, elevated API errors and cascading failures across dependent services. Timeline highlights (ET) 3:11 AM: AWS reports increased error rates/latencies for multiple services in us-east-1. ~5:01 AM: Root cause…
