Well, I spent the afternoon performance-testing EBS-backed instances in us-west-2. Performance was no worse than usual. So I credit the idea that the problems w

Well, I spent the afternoon performance-testing EBS-backed instances in us-west-2. Performance was no worse than usual. So I credit the idea that the problems were limited to us-east-1, and the companies mentioned should do more work on cross-AZ resiliency.