Amazon EC2 I/O Performance: Local Ephemeral Disks vs. RAID�0 Striped EBS Volumes – blog.dt.org
I recently ran into an issue with I/O bandwidth in EC2 that produced some unexpected results. As part of my day job, I built a system to run clustered deployments of enterprise software within AWS. The enterprise software I chose for the prototype is, as it turns out, very sensitive to I/O bandwidth, and my first attempt at a clustered deployment using m1.large instances with only ephemeral disks
IOPS - Wikipedia
The neutrality of this article is disputed. Relevant discussion may be found on the talk page. Please do not remove this message until conditions to do so are met. (August 2016) (Learn how and when to remove this template message) Input/output operations per second (IOPS, pronounced eye-ops) is an input/output performance measurement used to characterize computer storage devices like hard disk dri
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