AWS US-EAST-1 Outage Disrupts Major Apps; Amazon Cites DNS Issue With DynamoDB (Now Resolved)
AWS US-EAST-1 Outage Disrupts Major Apps; Amazon Cites DNS Issue With DynamoDB (Now Resolved) A widespread Amazon Web Services outage in the US-EAST-1 region on October 20 (ET) temporarily knocked many popular apps and services offline, including Snapchat, Venmo, Lyft, Fortnite and even Amazon’s own Alexa. Amazon says the root trigger was a DNS resolution issue affecting DynamoDB endpoints, which caused elevated error rates and cascading service failures. By mid-afternoon, AWS reported services had returned to normal, with backlogs clearing into the evening. Timeline highlights 3:11 AM ET: AWS reports increased error rates and latencies across multiple services in US-EAST-1. ~5:01 AM ET: Root cause identified as DNS resolution issues for DynamoDB APIs; mitigations begin. 6:35 AM ET: DNS issue mitigated; residual impacts persist, notably with new EC2 instance launches.…
