Understanding AWS S3 Storage Classes: A Beginner’s Cheat Sheet
A quick cheat sheet explaining key Amazon S3 storage classes (Standard, IA, Intelligent-Tiering, Glacier) to help developers optimize cloud storage costs.
Amazon S3 (Simple Storage Service) is one of the most widely used storage services in the cloud. However, storing all your data in the default storage tier can quickly become expensive.
AWS provides different S3 Storage Classes to help optimize storage costs based on how often you need to access your files. Here is a quick breakdown of the main storage tiers every cloud developer should know:
Amazon S3 Standard (General Purpose)
- Best for: Frequently accessed data (website images, active application files).
- Key Feature: Low latency and high throughput performance with 99.99% availability.
Amazon S3 Standard-Infrequent Access (Standard-IA)
- Best for: Backups and disaster recovery files that are rarely accessed but require instant availability when needed.
- Key Feature: Lower storage cost per GB than S3 Standard, but includes a small retrieval fee when accessed.
Amazon S3 Intelligent-Tiering
- Best for: Data with unknown or changing access patterns.
- Key Feature: Automatically moves your objects between frequent and infrequent access tiers to save costs without operational overhead or retrieval fees.
Amazon S3 Glacier (Archive)
- Best for: Long-term data archiving and digital preservation (e.g., historical records or compliance logs).
- Key Feature: Extremely low storage cost, with retrieval times ranging from a few minutes to several hours.
Pro Tip for Beginners:
You can use S3 Lifecycle Rules to automatically move your files from S3 Standard to S3 Glacier after 30 or 60 days to save money automatically!
You can use S3 Lifecycle Rules to automatically move your files from S3 Standard to S3 Glacier after 30 or 60 days to save money automatically!
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