Listers is low-key loaded with good software advice 🦉🐦🦢🦜

🧵 11/19 Another cool feature of S3 is that it becomes more predictable and resilient as it scales.

Since data is accessed across hard drives, and you can't really forecast reads from customers, having a large operation smooths out aggregate demand.

As the service grows, it becomes less spiky.

🧵 3/19 Basically S3 operates by spreading out simple GET and PUT HTTP requests across many servers and stores sharded data on insanely cheap--and slow--hard disks.

Since S3 leverages massive parallelism, customers hardly notice any lag. Some customers have data stored on over a million hard drives!