On Sat, Aug 15, 2009 at 8:11 PM, Matt Ingenthron<[email protected]> wrote: > > memcached is 64-bit (pass the --enable-64bit at configure time), so then > it's down to whatever the limiting factor or the OS/platform you're running > on. 64GB has often been deployed and tested. I've personally seen even > more in lab environments. > Back to what I said above though, the $/GB tends to go up with higher > densities per system. The operational cost can be a factor here too... > consider DDR2 power consumption compared to FB-DIMM.
With very high density per system, wouldn't the binary protocol become more important, too, lest CPU become a limiting factor as very many keys are fetched per system?
