The Metrics menu unites usage trends, cloud usage, and top IOPS disks statistics. The statistics receiver is an SNMP agent that collects data from host and guest systems and saves it in the round-robin database for the future processing. The collected data are then converted into hourly, daily, weekly and monthly statistics. The interval can be changed in the application configuration file. Hourly statistics are stored in the database for the last 2 months. Daily statistics are stored for 12 months. Old statistics data are stored as a monthly statistics (12 months, respectively).