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Using MainView Explorer and the Db2 Health Navigator

The previous sections described how to isolate Db2 performance problems and monitor multiple Db2s, single Db2s, and Db2 data sharing groups by using views and monitors in 3270 mode.

In 3270 mode, views provide access to extensive performance data over time, which can be summarized, sorted, and filtered. You can use this data to analyze a specific problem, for example:

  • An end user complaint about performance at a particular time in the past
  • High CPU usage
  • Poorly performing EDM pools

However, working with a large volume of data and navigating the numerous menus in 3270 mode can be very time consuming. For general analysis, MainView Explorer can greatly simplify tasks, such as gaining a historical perspective of system activity; detecting problems that you were not aware of; and correlating different measurements and indicators over time. By using MainView Explorer charts, you can easily identify anomalies in normal patterns, and quickly drill down to additional information.

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