In March, we had a ruby on rails user group meetup in Hangzhou, China. It was exciting to meet more rails developers in China and shares some experience on our projects. Hangzhou is famous for it’s West Lake, it is just 1.5 hrs south of Shanghai. It is turning into the Silicon Valley of China, because several large internet companies are based in Hangzhou, such as Alibaba. They are also experimenting with Rails, because of its amazing productivity gains.

<img src=“http://devblog.rorcraft.com/assets/2008/3/28/IMG_1903.JPG”/ width="400">

We did a presentation on our architecture and how we host a fault tolerant system on Amazon’s EC2. We will already need to change this a little since Amazon has just released the long been waited feature Static IP. Now you don’t need to rely on DNS to failover to your new server, you can at least start a new instance and point your IP to the new host.

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