08-03 S3 Storage Classes
AWS offers a range of S3 storage classes that trade Retrieval, Time, Accessibility, and Durability for Cheaper Storage
# S3 Standard (default)
- Fast!
- 99.99% availability
- 11 9’s Durability
- Replicated across at least three AZs
# S3 Intelligent Tiering
- Uses ML to analyze object usage and determine the appropriate storage class
- Data is moved to the most cost effective access tier, without any performance impact or added overhead
# S3 Standard-IA (infrequent access)
- Still Fast!
- Cheaper if you access files less than once a month
- Additional retrieval fee is applied.
- 50% less than standard (reduced availability)
# S3 One-Zone-IA
- Still fast!
- Objects only exist in one AZ
- Availability is 99.5%
- cheaper than Standard IA (reduced durability bc data could get destroyed)
- A retrieval fee is applied
# S3 Glacier
- For long term cold storage
- Retrieval of data can take minutes to hours
- very cheap storage
# S3 Glacier Deep Archive
- The lowest cost storage class
- Data retrieval time is 12 hours