The Backend Engineering Show with Hussein Nasser

Amazon US-EAST-1 Outage in Details

October 31, 2025·24 min
Episode Description from the Publisher

On October 19 2025 AWS experienced an outage that lasted over a day, 10 days later we finally got the root cause analysis and we know exactly what caused the DNS to fail0:00 Summary 5:30 How did Dynamo lost its DNS?13:41 EC2 Errors 16:16 Network Load Balancer ErrorsRCA here https://aws.amazon.com/message/101925/

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