When PMI service is enabled, the monitoring of individual components can be enabled or disabled dynamically.
To monitor performance data through the Performance Monitoring Infrastructure (PMI), first enable PMI through the administrative console.
Open the administrative console.
Click Servers > Application Servers in the console navigation tree.
Click server.
Click the Configuration tab. When in the Configuration tab,
settings apply when the server is restarted. When in the Runtime Tab,
settings apply immediately. Note that you can only enable Performance Monitoring Infrastructure in the Configuration tab.
Click Performance Monitoring Infrastructure under Performance.
Select the Enable Performance Monitoring Infrastructure (PMI) check box.
Optionally, select the check box Use sequential update to enable precise statistic update.
Optionally, choose a statistic set that needs to be monitored under Currently Monitored Statistic Set.
Optionally, click on Custom to selectively enable or disable statistics. Choose a component from the left side tree and enable or disable statistics on the right side table. Go back to the main PMI configuration page by clicking the Performance Monitoring Infrastructure link.
Click Apply or OK.
Click Save.
Restart the application server. The changes you make will not take effect until you restart the application server.
What to do nextWhen in the Configuration tab, settings apply after the server is restarted. When in the Runtime tab, settings apply immediately.
Note that you can only enable the Performance Monitoring Infrastructure in the Configuration tab.