efs-overview.md

EFS Overview

Elastic File System (EFS)

• Can be mounted on many different EC2 types
• Works with EC2 instances that are in multiple availablity zones
  • Centralized/shared storage for multiple EC2 instances
• Highly available and scalable
• Expensive
• Uses NFSv4 protocol
• Compatible with Linux based AMI (Windows support currently not available)
• Encryption at rest using Key Management System (KMS)
• Auto-scaling file system - no capacity planning
• Pay per per - Expensive

Performance

• 1000's of concurrent connections from EC2 instances
• 10GB/s throughput
• Abiltiy to scale storage to petabytes
• EFS performance characteristics can be set during setup
  • General Purpose
    • Web servers, CMS, etc
  • Max I/O
    • Big data, media processing, etc.

Storage Tiers EFS provides storage tiers and lifecycle management allowing you move data from one tier to another based on parameters you setup

• Standard Storage Tier: For frequently accessed files
• Infrequent Accessed: For files not frequently accessed

Use Cases

• Content Management
• Web Servers