Performance monitoring and the tools you use

You can use performance monitoring tools to create a performance history, to monitor database resources at scheduled times, or to monitor ongoing transaction or query performance.

This chapter also contains cross-references to topics that about how to interpret the results of performance monitoring

The kinds of data that you need to collect depend on the kinds of applications that you run on your system. The causes of performance problems on OLTP (online transaction processing) systems are different from the causes of problems on systems that are used primarily for DSS query applications. Systems with mixed use provide a greater performance-tuning challenge and require a sophisticated analysis of performance-problem causes.

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