The Data and Database Settings page lets you modify database and poller settings:
Detail statistics retention
Detailed statistics older than this many days are summarized as hourly statistics.
Hourly statistics retention
Hourly statistics older than this many days are summarized to daily statistics.
Daily statistics retention
Daily statistics older than this many days are discarded.
If a node has a remote polling engine assignment, the poller setting determines whether the SolarWinds SAM data is collected by the remote polling engine or by the SolarWinds SAM server. Changes to this setting take affect only after you restart the Module Engine.
Polling Engine Mode
Select Local-Only to force the SolarWinds SAM server to gather all SolarWinds SAM data.
Select Poller-Bound to allow remote polling engines to gather SolarWinds SAM data for the nodes assigned to them.