It's Not Always Sunny In the Clouds: Lessons Learned - RailsConf

In theory, Rails’ shared-nothing architecture is ideal for cloud computing, because increasing capacity is simply a matter of adding more servers to your deployment, and server power becomes an instantly available commodity.

In practice, building on a cloud platform introduces many new points of complexity as well as new opportunities and new ways of doing business, and any company thinking of cloud computing as just-another-VPS will be sure to make mistakes.

These issues will be illuminated via a case study of OtherInbox, a Rails startup that launched at in September 2008 at Techcrunch50 and experienced a 2700% increase in usage over a seven week period.