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RightScale monitors CPU, disk, and memory use on the single server as a game is given its launch, then adds more servers when usage reaches a certain threshold.Eventually a cluster of servers attends to the game’s needs, and RightScale monitors the cluster as a unit. Each server is loaded with a RightScale agent “that reports back to the mothership” or the RightScale management system.

As multiple servers in the cluster start reporting they are using more than 50% of CPU and other resources, the RightScale system concludes “this is not an isolated problem. We need more servers,” explained Crandell.

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