1. A method executed in a computing device to provide server performance decision support, the method comprising: monitoring transaction data of a server; capturing a sample of the transaction data of the server according to a predetermined scheme; analyzing the sample to determine performance metrics for the server by: employing a star schema utilizing key dimensions to analyze the sample, wherein the key dimensions include one or more of: objects of the performance metrics, counters of the performance metrics, and instances of the performance metrics; and applying lowered responsiveness parameters to the performance metrics for the server in response to a determination that the server has a mission critical role; and presenting the performance metrics in a data structure.