With 8 cores per box, I think you're still in the realm of using one DataNode and one TaskTracker per box.
You'd probably go for something like 6 mappers and 4 reducers (oversubscribed). -- Ken On Apr 7, 2011, at 5:30am, Dave Stuart wrote: > Hey, > > I have three boxes with about 32 GB of ram and 2xQuad core processors. Is it > better to slice those boxes with 4 vms on each with 2 processors and 8GB of > RAM (or even more 1 x 8 VMs?) or just more data nodes on each box. > > > Regards, > > Dave > -------------------------- Ken Krugler +1 530-210-6378 http://bixolabs.com e l a s t i c w e b m i n i n g

