Alex Kapranoff » from archive
High Scalability - High Scalability - Pinterest Cut Costs from $54 to $20 Per Hour by Automatically Shutting Down Systems - http://highscalability.com/blog/2012/12/12/pinterest-cut-cost...
"More instances are launched when needed and terminated when not needed. If spot prices spike and spot instances are shut down, on-demand replacement instances are launched. Spot instances will be relaunched when the price goes back down." ‎- Alex Kapranoff
We do this by hand :-[ ‎- 9000