http://www.awn.com/animationworld/8-tips-scaling-rendering-cloud
1.Understand data traffic patterns on your network
2.Watch the volume of requests to your render farm manager 3.Don’t burden your file server 4.Don’t underestimate license management during rendering 5.Match your hardware to the type of render job 6.Cache or sync data to reduce traffic at scale 7.Your Supervisor needs horsepower!
8.Keep a watchful eye on your spending