AWS S3 in a nutshell — Cheat sheet and compact overview

What’s up with the Buckets?

What is S3?

S3 = Simple Storage Service

• Data is stored as objects
• Unlimited storage, you don’t need to care about disk space
• With the S3 console you can easily upload and access your data

Object

Stored objects consist of the following structure:

• Key = Name of the object
• Value = Data stored as byte sequence
• Version ID= If enabled the current object version
• Metadata = Additional information about the object

The storage size for an object can be from 0 bytes to 5 terabytes.

S3 Bucket

A Bucket is like a unique namespace where you can store your objects in. You can have folders(prefixes) for structuring.

The Bucket name needs to be unique across all AWS accounts, like a domain.

Storage classes

• Standard (default) = 99.999% Availability, fast and replicated among 3 availability zones
• Intelligent Tiering = Stored objects are analyzed via machine learning to decide which storage class is used automatically. In the end the most…