This article details AWS infrastructure metrics powering Amazon Prime Day 2023, which achieved record-breaking sales and traffic volumes.

• 375 million items purchased on first day, largest sales day ever for Amazon
• Amazon EBS allocated 163 petabytes capacity, peaked at 15.35 trillion requests
• AWS CloudTrail processed over 830 billion events during Prime Day
• Amazon DynamoDB peaked at 126 million requests per second
• Amazon Aurora processed 318 billion transactions across 5,835 instances
• Amazon SES delivered 56% more emails with 99.8% delivery success rate
• Amazon CloudFront handled 500 million HTTP requests per minute peak
• Amazon SQS processed 86 million messages per second, 22% increase year-over-year
• Amazon EC2 used 2.7x more Graviton-based instances than 2022, reducing energy by 60%
• Amazon Pinpoint sent tens of millions SMS with 98.3% delivery success

AWS achieved 35% more traffic with only 7% more EBS capacity through efficiency improvements, demonstrating successful infrastructure scaling for massive retail events.