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How Dynamo Reshaped the Internal Architecture of Amazon S3

IntroductionAmazon S3 launched in 2006 as a scalable, durable object storage system. It avoided hierarchical file systems and used flat key-based addressing from day one. However, early versions of S3 ran into architectural challenges—especially in metadata consistency and fault tolerance. Meanwhile, another internal team at Amazon was building Dynamo, a distributed key-value store optimized for

What’s Behind Amazon S3?

When you upload a file to the cloud using an app or service, there’s a good chance it’s being stored on Amazon S3 (Simple Storage Service). But what powers it under the hood? What is Amazon S3? Amazon S3 is an object storage service that allows users to store and retrieve any amount of data,