template: 10min_ram_usage
      on: system.ram                     
      os: linux                                                  
  lookup: average -10m percentage of used
   units: %                                                      
   every: 1m        
    warn: $this > 70                    
    crit: $this > 90                                                                         
   delay: down 15m multiplier 1.5 max 1h                                                     
    info: average RAM utilization over the last 10 minutes
      to: sysadmin




