Open the RTView Configuration Application for RTView Manager and go to RTView Manager Monitor project>DATA COLLECTION tab.
To modify the default polling rate settings for RTView Manager caches, perform the following:
Open the RTView Configuration Application for RTView Manager and go to RTView Manager Monitor project>DATA COLLECTION tab.
Poll Rates: Collection period in seconds. The default setting is 10 seconds.
Autodiscover JMX Connections: Toggle ON to enable RTView to automatically discover JMX MBean Servers. Toggle OFF to restrict connections to the JMX MBean Servers that are listed in the CONNECTIONS tab. Blue (toggled right) enables, gray (toggled left) disables. By default, this feature is disabled.
your settings, then click 
to apply changes. The data server will be available again in 10-15 seconds.