1. Receive data from database
2. Calculate data:    
    a) User Count 
    b) Movies Count 
    c) Rating Count 
    d) Total data size 
    e) "Hot" movies -> movies that received most ratings during last 
        week 
    f) System logs (keeps tracks of all messages exchanged by all services)
        1. timestamp (when was a message send)
        2. Message raw data 
3. Send requests to frondend upon request