In the Introduction, I asked how close you could come to the root cause of a performance problem in just 30 minutes. That is about how long it should take to capture and review data from the four items in the P.A.t.h. Checklist.
But before getting into the technical details of the Checklist, this chapter provides a quick review of previous chapters. Then it describes how to use the Checklist when troubleshooting, and finally it provides a brief introduction to the two sets of code examples.
The objectives of this chapter are: