Amazon Elastic File System
Amazon Elastic File System (EFS) is a fully managed, scalable Network File System (NFS) provided by Amazon Web Services. It is designed to provide shared, persistent storage for Cloud Computing workloads. Unlike Amazon EBS, which is typically attached to a single Amazon EC2 instance, Amazon EFS can be accessed concurrently by thousands of compute instances, including AWS Lambda functions and Amazon ECS containers.
The service is built to be POSIX-compliant, ensuring compatibility with standard file system operations and permissions. Amazon EFS offers two main performance modes: General Purpose, which is ideal for latency-sensitive applications like content management systems, and Max I/O, which scales to higher levels of aggregate throughput for big data analysis. Additionally, it features Lifecycle Management, which automatically moves infrequently accessed files to the EFS Infrequent Access storage class to reduce costs.
For further technical details, consult the AWS EFS Documentation or explore the EFS Product Features page.