Facebook's actually encountered scaling problems from memcached taking up too much CPU time; that's why there's the binary protocol, and they're talking about t

Facebook's actually encountered scaling problems from memcached taking up too much CPU time; that's why there's the binary protocol, and they're talking about the multiget hole at http://highscalability.com/blog/2009/10/26/facebooks-memcached-multiget-hole-more-machines-more-capacit.html http://highscalability.com/blog/2009/10/26/facebooks-memcach...