I has a player of one of my games pull a similar stunt on me. He was sick and tired of other people using bots to cheat the game. He made some correct assumpt

I has a player of one of my games pull a similar stunt on me. He was sick and tired of other people using bots to cheat the game. He made some correct assumptions about my architechture, Memcached in front of MySQL, and determined a way to find pages that would guarantee a cache miss. He then wrote a bot to hit as many of these pages as possible, essentially blackmailing me into fixing the bot problem. A simple captcha and a few bot honeypots later, the problem was fixed.