Building a Solid Baseline
In the previous chapter we spent a great deal of time describing and using the various methods of accessing Wait Statistics information. Most of those methods focused on using that information for detecting performance problems that are presently occurring. While it is possible to find the exact cause of the performance problem using these real-time methods, it requires a deep knowledge of the various Wait Types and—most important—experience in the performance of your SQL Server. If you are managing only one SQL Server instance you can get yourself familiar with the way it reacts under different circumstances ...
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