AWS - Disks and MongoDB - Part 1

So the general consensus that I'm getting is that Ephemeral Storage is generally quicker than EBS storage.

EBS volumes are accessed via network.

Good article about Mongoperf & IOStat:
http://java.dzone.com/articles/tips-check-and-improve-your

Read the conclusions here:
http://victortrac.com/ec2-ephemeral-disks-vs-ebs-volumes-in-raid.html

Note Ephemeral VS EBS comparisons:
http://stu.mp/2009/12/disk-io-and-throughput-benchmarks-on-amazons-ec2.html


Tools Takeaway:
mongoperf
iostat
hdparm -t
bonnie++
iozone