And if your data doesn't fit into the RAM of a single machine you can buy a few more and use vSMP (http://www.scalemp.com/ http://www.scalemp.com/) to create a

And if your data doesn't fit into the RAM of a single machine you can buy a few more and use vSMP (http://www.scalemp.com/ http://www.scalemp.com/) to create a shared memory single system image.