Configuring summarization and pruning

Summarization and pruning allows you to customize the length of time for which to save data and how often to compress data. You can see and maintain the historical collections that have been configured for a monitored application and configure new collections.

Before you begin

Before you begin, ensure that you have started the following items:
  • Tivoli Enterprise Monitoring Server
  • Tivoli Enterprise Portal Server
  • Tivoli Enterprise Portal
  • Tivoli Enterprise Monitoring Agent

Procedure

  1. From the Edit menu of the Tivoli Enterprise Portal, select History Configuration.
    The History Collection Configuration window opens.
  2. In the Monitored Applications pane, select OMEGAMON XE for DB2 PE and PM on z/OS.
    The Select Attribute Groups pane opens.
  3. From the Select Attribute Groups column, select the name of the attribute group that you want to configure.
  4. In the Configuration and Controls section, set the Summarization and Pruning options.
    1. In the Summarization section, set the time period for data aggregation.
    2. In the Pruning section, set the time period to prune data.
  5. Click OK to save your changes and close the window.