On Wed, Feb 24, 2010 at 8:46 PM, Santal Li <santal...@gmail.com> wrote: > BTW: Somebody in my team told me, that if the cassandra managed data was too > huge( >15x than heap space) , will cause performance issues, is this true?
It really has more to do with what your hot data set is, than absolute size. Once any system becomes i/o bound because the hot set can't be cached in os buffers, you're going to be in trouble, there's nothing magic about that. :) -Jonathan
