The article outlines a service disruption of Amazon DynamoDB in the Northern Virginia (us-east-1) region that occurred from October 19 to 20, 2025. The disruption involved increased API error rates and connection failures due to a latent defect in the DNS management system, which affected connectivity for customers and other AWS services dependent on DynamoDB. The issue was caused by a race condition between DNS Enactor components, leading to incorrect DNS record handling.
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