I ran a few preliminary EC2 disk benchmarks in September: http://solutious.com/blog/2008/09/23/ec2-disk-performance-linux-solaris/ http://solutious.com/blog/200

I ran a few preliminary EC2 disk benchmarks in September: http://solutious.com/blog/2008/09/23/ec2-disk-performance-linux-solaris/ http://solutious.com/blog/2008/09/23/ec2-disk-performance-li... The Solaris performance was really poor compared to Linux. I emailed Sun and initially they were really receptive but never explained what was happening. I'm hoping to re-run the tests again soon to see if the latest OpenSolaris (2008-11) has improved.