Alert Monitor 
You can use the Database Alert Monitor and liveCache Alert Monitor for system checks.
Procedure
Open the Database Assistant (transaction code DB50) or the liveCache Assistant (transaction code LC10). Choose Alert Monitor.
Result
Alert Monitoring is activated and the database connection has been added to the Database/liveCache Alert Monitor Tree. If necessary, the Database/liveCache Alert Monitor Tree display should be updated. To do this, choose Refresh and Invalidate Data Cache in the Database/liveCache Alert Monitor.