on-demand doesn't matter. If lots of your infrastructure is in ec2, you may need...

		earl on July 19, 2012 \| parent \| context \| favorite \| on: New High I/O EC2 Instance Type - hi1.4xlarge - 2 T... on-demand doesn't matter. If lots of your infrastructure is in ec2, you may need a good db server inside ec2 that is used constantly. eg if you have a read heavy cassandra workload, you need ssds.