On Thu, Jan 16, 2003 at 11:41:23AM -0500, Jeff Layton wrote: > > > If you assume that you are running on one instance of your app per > > > CPU and that you can only address 3.5 Gig of memory per CPU, then > > > that leaves you with around 8 Gigs to play with (giving a generous > > > 1 Gig for the OS). While RAM is expensive compared to disk, this > > > idea is also much faster than disk. Would 8 Gigs be enough for some, > > > many, lots of people? > > > > Some. I think the PAE stuff lets you address up to 64 GB, but I dont > > know how well it works. I have heard it slows things down a bit. Using > > it as a ram disk for swap space (ala the old Crays with the SSD) could > > be interesting. > > We're toying with that idea as well. Also, we're looking at using the > extra memory for a diskless node, so you can copy what you need > to the RAM-disk. This way the nodes can be moved around from > one secure area to another without having to swap disks. Uhh? You are aware that 100Mbit is about 10MByte/s which is about the same as sustained rate of IDE disks. -- William Park, Open Geometry Consulting, <email@example.com> Linux solution for data management and processing.