title: Save Logs to use it again , mysql database
body: <p>I working on hotspot system and that system has logs table which contain information about every user in that system like(username, ip address, macaddress , login date); and this information may will be important in one date , but that table is filled in short time and has many and many record in it , so I must to clear it without loss the information on it , what do think should I do to solve it ?
  should I make an a backup   for that table every day?
  so  if I want to access record in that table I must to restore it and access that record. I don't believe with that solution , can you  give suggest </p>