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1 week agoRace Condition in DynamoDB DNS System: Analyzing the AWS US-EAST-1 Outage
According to the post-mortem, which provides details on the DynamoDB DNS management architecture, the incident was triggered by a latent defect in the service's automated DNS management system, leading to endpoint resolution failures for DynamoDB. Other popular services that rely on DynamoDB, including new EC2 instance launches, Lambda invocations, and Fargate task launches, were also impacted during the outage. In the summary of the Amazon DynamoDB service disruption in the US-EAST-1 region, the team acknowledges that the reliability issue significantly affected many customers.
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