[kennu]

One of the hardest parts to achieve in building your own S3 clone might be 99.999999999% data durability and other SLA features.

[smitty1e]

A look at the S3 documentation shows that there is a fairly ludicrous amount of functionality atop the basic Hadoopiness of it all. The .pdf User Guide weighs in at a svelte 3,374 pages.

https://docs.aws.amazon.com/AmazonS3/latest/userguide/Welcom...