Chapter 4. Planning and monitoring tools 115
For performance-type gauges, if a metric selected for display is associated with a threshold
enabled for checking, the current threshold properties are also displayed in the gauge window
and are updated each time the gauge data is refreshed.
Database services for managing the collected performance data
The performance data collected from the supported devices is stored in a DB2 database.
Database services are provided that enable you to manage the potential volumes of data.
Database purge function
A database purge function deletes older performance data samples and, optionally, the
associated exception data. Flexibility is built into the purge function, and it enables you to
specify the data to purg ...