In this blog, we’ve walked through the steps to implement S3 Bucket Keys for objects with different KMS keys within same bucket. By doing so, we were able to significantly reduce request traffic from S3 to KMS, decreasing KMS costs by 80 percent.
AWS Notes — Amazon Web Services Educational and Information Channel. Chat: https://t.me/aws_notes_chat. Contacts: @apple_rom, https://www.linkedin.com/in/roman-siewko/...