S3
2 posts
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When moving S3 data to a cheaper storage class costs more (2026)
Every S3 class below Standard carries a minimum storage duration, a minimum billable object size, a retrieval fee, or all three. The 128 KB rounding rule, the 40 KB Glacier metadata overhead billed partly at Standard rate, and where Intelligent-Tiering avoids both.
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VPC endpoints and cost: when a gateway endpoint is free money (2026)
Gateway endpoints for S3 and DynamoDB carry no charge and remove that traffic from your NAT Gateway. Interface endpoints bill per hour per Availability Zone plus per GB. The three documented ways a gateway endpoint silently stops covering your traffic.