Description
The vast majority of data in the world is cold -- durably and securely retained for long periods of time, but rarely ever accessed. Conventional storage systems are a poor fit for this domain as they are typically optimized for speed rather than space and cost. Amazon Glacier has been designed from the very start to provide secure, durable and scalable data storage at a very low cost. This unusual set of constraints requires us to solve fascinating scaling and algorithmic problems that have never been tackled at our scale.

Amazon S3 Glacier is a secure, durable, and extremely low-cost cloud storage service for data archiving and long-term backup. Customers use Glacier to store data long term, while having the flexibility of retrieving their data within a few minutes using Expedited retrieval speed or a few hours using Standard or Bulk retrieval speeds. Conventional storage systems are a poor fit for this domain as they are typically optimized for speed rather th...