Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!apple!sun-barr!newstop!sun!david@sun.com From: david@sun.com (It's not human, and it's got an axe!) Newsgroups: comp.sys.pyramid Subject: Re: Swap size for large memory machines Message-ID: <117891@sun.Eng.Sun.COM> Date: 26 Jul 89 18:41:37 GMT References: <1335@esquire> <1115@srhqla.SR.COM> <61633@uunet.UU.NET> <78696@pyramid.pyramid.com> Sender: david@sun.Eng.Sun.COM Lines: 12 In article <78696@pyramid.pyramid.com> csg@pyramid.pyramid.com (Carl S. Gutekunst) writes: >Swap space and main memory do *not* add together on a demand-paged >virtual memory system; swap space alone must be greater than the sum of all >processes running on the system. This is true for the 4BSD VM system, but not VM systems in general. In SunOS 4.x (and SVR4) it's perfectly reasonable for swap space to be smaller than physical memory. -- David DiGiacomo, Sun Microsystems, Mt. View, CA sun!david david@sun.com