Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!zaphod.mps.ohio-state.edu!maverick.ksu.ksu.edu!maverick.ksu.ksu.edu!brtmac From: brtmac@maverick.ksu.ksu.edu (Brett McCoy) Newsgroups: comp.unix.internals Subject: Re: RAM disk. Message-ID: <1990Oct9.212050.10801@maverick.ksu.ksu.edu> Date: 9 Oct 90 21:20:50 GMT References: <18560@rpp386.cactus.org> <143359@sun.Eng.Sun.COM> <18574@rpp386.cactus.org> <1850@necisa.ho.necisa.oz> <1990Oct09.121447.3336@virtech.uucp> Sender: news@maverick.ksu.ksu.edu (The News Guru) Organization: Kansas State University Lines: 17 In <1990Oct09.121447.3336@virtech.uucp> cpcahil@virtech.uucp (Conor P. Cahill) writes: >On a system that was running near 90% utilization (i.e. very little CPU >left) we doubled the number of NBUF entries and system performance >*dropped* significantly. This was probably due to the extra time spent >searching through the buffer cache looking to see if a block was there. Could someone tell me if this is possible on a Sun SS1 (increasing or decreasing NBUF entries) and if so, where it needs to be done? I looked in the kernal config files and couldn't really find anything that looked like it would do the job. -- Too bad the universe doesn't run in a segmented environment with protected memory. -- Wiz from "Wizards Bane" by Rick Cook Brett McCoy | Kansas State University brtmac@maverick.ksu.ksu.edu | UseNet news manager.