On Mon, 2005-11-21 at 13:26 -0800, Lyndon Tiu wrote: > On Mon, 21 Nov 2005 14:15:44 -0700 craigwhite@azapple.com wrote: > > On Mon, 2005-11-21 at 12:07 -0800, Lyndon Tiu wrote: > > > > > Looking for that keyword that allows 32-bit x86 systems to have more > > than 4GB RAM. Can someone tip me on this so that I can look it up > > Google? Thanks. > > ---- > > Why would you use x86 system with more than 4G of RAM? > > > > Just install appropriate x64 > > > > Why? I believe it's because: > > Cheaper than 64-bit. > Software available in 32-bit only. > > What people do is have 32-bit machines with something like 8 GB RAM, then run multiple instances of the same software in a cluster configuration - horizontal clustering. As if you physically have 4 or so regular 32-bit machines running as a cluster, but in this case, you only have 1 physical machine. > > Part of what I am researching is why people go for these setups rather than full 64-bit systems or even multiple regular 32-bit systems. Are there really performance advantages to these 32-bit >4GB setups? ---- RHEL uses per processor type pricing and the actual binaries that are installed are immaterial to price. Likewise, they offer 'hugemem' kernels. I don't doubt that people do what you are suggesting...it's just beyond my application experience. Craig -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us To subscribe, unsubscribe, or to change you mail settings: http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss