storage-classes.md

S3 Storage Classes

• S3 Standard

  • Highly available and Durable

    • Data is stored redundantly across multiple devices and facilities (>= 3 Availability Zones)
      • 99.99% Availability
      • 99.999999999% Durablity (11 9's)

  • Designed for frequently access data

  • Suitable for most workloads

    • Default S3 storage class
    • Use Case:
      • Websites
      • Content Distribution
      • Big Data Analytics

• S3 Standard-Infrequent Access (S3 Standard-IA)

  • Designed for infrequently accessed data
    • Used for data that requires rapid access, but is accessed less frequently
  • You pay to access the data
    • There is a low per GB storage price and a per GB retrieval fee
  • Use Case:
    • Long term storage
    • Backups
    • Data store for disaster recovery files

• S3 One Zone-Infrequent Access (S3 One Zone-IA)

  • Just like S3 Standard-IA, but data is stored redundantly within a single availability zone
  • Costs 20% less than regular S3 Standard-IA
  • 99.5% Availability
  • 99.999999999% Durability (11 9's)
  • Use Case:
    • Long lived, infrequently access, non-critical data

• S3 Intellignet Tiering

  • Automatically moves your data to the most cost effective tier based on how frequently you access each object
  • 99.99% Availability
  • 99.999999999% Durability (11 9's)
  • Use Case
    • Unknown or unpredictable access patterns

Glacier

• Cheap storage

• Use only for infrequently accessed data

• Pay each time you access the data

• Use for data archival

• 99.99% Availability

• 99.999999999% Durability (11 9's)

• S3 Glacier

  • Provides long-term data archiving
  • Retrieval times range from 1 minute to 12 hours
  • Use Case:
    • Historical data only accessed a few times a year

• S3 Glacier Deep Archive

  • Provides lon-term data archiving
  • Default retrieval time of 12 hours
  • Use Case:
    • Historical data only accessed once or twice a year