Background MongoDB has a nice guide for getting started with running mongoDB in EC2. This article presents some additional enhancements for increasing performance while lower storage costs in EC2. A subsequent installment presents techniques for deploying replica sets and auto-scaling nodes. AWS Storage Performance Many sources, including the MongoDB guide linked above, recommend using EBS-backed volumes. “For production systems we recommend using EBS-optimized EC2 instances.” EBS backed volumes indeed provide the convenience of data persistence across instance reboots….