Amazon Elastic File System introduces Intelligent-Tiering to automatically optimize storage costs

Amazon Elastic File System (EFS) now supports Intelligent-Tiering, a new capability that makes it easier for you to optimize costs for shared file storage, even when access patterns change. EFS Intelligent-Tiering is designed to help you achieve the right price and performance blend for your application file data by placing your file data in a storage class based on file access patterns.

Source:: Amazon AWS