Amazon Simple Storage Service (S3)

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wikipedia:Amazon S3 (March 2006) or Amazon Simple Storage Service a service offered by Amazon Web Services (AWS) since 2006 that provides Object Storage through a web service interface or CLI.

Features

Amazon S3 Storage Classes

  • Amazon S3 Standard is the default class.
  • Amazon S3 Intelligent-Tiering (Sep 2021)[1]
  • Amazon S3 Standard Infrequent Access (IA) is designed for less frequently accessed data. Typical use cases are backup and disaster recovery solutions.
  • Amazon S3 One Zone-Infrequent Access is designed for data that is not often needed but when required, needs to be accessed rapidly. Data is stored in one zone and if that zone is destroyed, all data is lost.
  • Amazon Glacier is designed for long-term storage of data that is infrequently accessed and where retrieval latency of minutes or hours is acceptable. "Glacier Deep Archive" is an alternative with a retrieval time of at least 12 hours, but 1/4th the price. It is intended as an alternative to magnetic tape libraries, and is designed for long term retention of data for 7 to 10 years.

Pricing

Commands

See also: AWS Command Line Tool (CLI)

https://docs.aws.amazon.com/cli/latest/reference/s3/

Amazon S3 logs

Amazon S3 allows users to enable or disable logging. If enabled, the logs are stored in Amazon S3 buckets which can then be analyzed. These logs contain useful information such as:

  • Date and time of access to requested content
  • Protocol used (HTTP, FTP, etc.)
  • HTTP status codes
  • Turnaround time
  • HTTP request message


Encryption

Encryption (2017) is supported in AWS S3 (default Advanced Encryption Standard (AES) 256bit)

  • In transit (SSL/TLS)
  • At rest:
    • Server Side Encryption (SSE):
    • S3 Managed Keys (SSE-S3; 256bit);
    • AWS Key Management Service, Managed Keys (SSE-KMS)
    • Server Side Encryption with Customer Provided Keys (SSE-C)
  • Client Side Encryption (user encypts data on their local machine and then upload to AWS S3)

Replication

Related terms

Limitations

  • No bandwidth restriction
  • No size restriction by bucket

Activities

See also

  • ↑ https://aws.amazon.com/blogs/aws/amazon-s3-intelligent-tiering-further-automating-cost-savings-for-short-lived-and-small-objects/
  • ↑ https://docs.aws.amazon.com/cli/latest/reference/s3/cp.html
  • ↑ https://docs.aws.amazon.com/cli/latest/reference/s3/mb.html
  • ↑ https://docs.aws.amazon.com/AmazonS3/latest/userguide/storage-inventory.html
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