Glacier Costlier than S3 for Small Files – The Rub18 November 2015 Rule of Thumb Do not use Amazon Glacier with files smaller than 200KB If this is not obvious to you (it was not obvious to me), read on. Math Review Precision is important when you start multiplying by millions and trillions. For consistency and precision, the following units are used throughout this article. KB: 1,024 bytes, expressed as 2^10 MB: 1,048,576 bytes, expressed as 2^2
