I have some experience with these. On Tue, Oct 9, 2012 at 4:47 PM, Eric Fleischman <[email protected]>wrote:
> * Using high IOPS instances > Haven't tried this. > * Using multiple disks and doing OS level RAID across them to present a > single logical disk to the app > This typically is very dangerous unless you can somehow arrange for disks not to present lowest common denominator performance. > * Local vs. EBS volumes > Local tends to be much lower variance. EBS can show 10:1 variations in performance. Even the same volume can change dramatically over time. * Standard vs. provisioned IOPS w/EBS > Haven't tried this.
