On Fri, 10 Oct 2003 09:00:23 PDT, Linus Torvalds said:

> I'm hoping in-memory databases will just kill off the current crop 
> totally. That solves all the IO problems - the only thing that goes to 
> disk is the log and the backups, and both go there totally linearly unless 
> the designer was crazy.

I can process a 100GB database on a current 2U Dell rackmount server. I hesitate to
think about what would be required to deal with a terabyte-sized database...