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Predicting the application behavior such as its resource utilization in a new hardware machine is becoming an urgent issue as the increasing number of servers with various configurations shows up in data centers and clouds. Current two categories of approaches, the testbed evaluation based and the software simulation based methods, both have certain shortcomings. While the testbed evaluation based approaches suffer from the lack of measurement data to build the prediction model, the simulation based methods intrinsically introduce uncertainties and errors in the data.
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