Simple Storage Services

Components

• Bucket: Container of S3 objects and S3 folders
• Object: any file
• Folder: container of objects or folder

S3 Bucket Pricing

• Storage: size of objects
• Access: Accessing the Data
• Redundancy: Copying the data internally of availability and durability

Terms

• Availability: Property which describes about the data being available for access
• Durability: Property which describes about your objects not getting corrupted or lost

Storage Classes

• Define Availability, Durability and the cost
• Refer Here for storage classes
• Types:
  • Standard:
    • Default storage class
    • Costly storage class
    • Cost of Storage is more
    • Cost of access is less
  • Amazon S3 Intelligent-Tiering:
    • Storage class is choosen by AWS automatically depending on usage of objects
  • Infrequent access:
    • Designed for infrequent
    • Cost of Storage is less
    • Cost of Access is more
  • One Zone-Infrequent Access:
    • Designed for infrequent with less redundant data
• Life Cycle:
  • Life Cylce can help in transition of the objects from one stroage class to other storage depending on times

Versioning:

• S3 Allows Enabling Versioning for Objects
• Whenever the same object is uploaded with changes a new version gets created
• In AWS you can only suspend versions. Amazon will never delete older versions, its users responsibility.

Access

• In S3 Buckets access to the objects can be
  • Public (anonymous access)
  • Private
• Object Permissions can be given to
  • All (Anonymous) => Public Access (Read)
  • Other AWS Accounts => Account Id