9. Performance Management

When non-DBAs think about what it is that a DBA does, performance monitoring and tuning are quite frequently the first tasks that come to mind. This should not be surprising. Almost anyone who has come in contact with a computer has experienced some type of performance problem. Moreover, relational database systems have a notorious reputation (mostly undeserved) for poor performance.

This chapter, as well as the following three, will discuss performance monitoring, tuning, and management within the context of database administration. Chapter 9 defines performance, discusses the difference between performance monitoring and performance management, looks at managing service levels, and defines three specific subsets of ...

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