Under History Storage you can select which tables you want the Historian to store in the database. To enable/disable the collection of historical data, perform the following:
Open the RTView Configuration Application for RTView Manager and go to RTView Manager>DATA STORAGE tab.
Scroll down to History Storage and toggle to enable/disable the storage of various database tables in the database. Blue (toggled right) enables storage, gray (toggled left) disables storage. The caches impacted by these settings are SolAppliances (Message Brokers), SolBridgeStats (Bridge Stats), SolClientStats (Client Stats), SolCspfNeighbors (CSPF Neighbors), SolEndpointStats (Endpoint Stats), SolEndpoints (Endpoints), SolApplianceInterfaces (Interface), SolApplianceMessageSpool (Message Spools), SolEventModuleEvents (Syslog Events) and SolVpns (VPNs).
your settings, then click to apply changes.