Practical S3 Cost Engineering: Partitioning Workloads, Small-File Economics, and Billing Forensics

https://bbarlock.com/index.php/That_Seasonal_Spike_That_Broke_My_S3_Inventory_Assumptions

Why understanding S3 costs by workload will stop surprise invoices and steady waste If your team treats Amazon S3 like a black box that just stores blobs, you will eventually get a bill that feels personal