When SQL Server slows down, it is not always easy to figure out why. That is where Wait Statistics come into play — they act like a performance stethoscope, helping DBAs listen to what SQL Server is waiting on. Every query, every process, leaves behind clues in the form of waits. By understanding these waits, you can diagnose bottlenecks, uncover hidden issues, and fine-tune your server for peak performance.
In this series, I will tell you some relevant concepts, show you how to read them, and help you decide what actions to take — so you are not just guessing anymore.
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