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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.cs.su.oz.au!metro!metro!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!arclight.uoregon.edu!super.zippo.com!zdc!szdc!szdc-e!news From: "John S. Dyson" <dyson@freebsd.org> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: 2.2 GAMMA 2/5 results in SWAP FULL? Date: Wed, 12 Feb 1997 11:05:20 -0500 Organization: John S. Dyson's home machine Lines: 19 Message-ID: <3301EA40.167EB0E7@freebsd.org> References: <m267zzxceb.fsf@golfgod.raleigh.ibm.com> <3300F172.41C67EA6@troutmask.apl.washington.edu> <5drj2c$a1j@dfw-ixnews8.ix.netcom.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.01 (X11; I; FreeBSD 3.0-CURRENT i386) Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:35608 Netcom user wrote: > > > I'm not surprised that your swap space becomes full with a ratio of > > 32M real to 20M swap (especially if you are running X11). Without > > starting a religion war, I recommend a minimum of 2 times real > > memory for swap space. > Obviously I'm going to have to get top working as I refuse to accept that > without knowing WHERE/HOW my memory is being used. > You have to have AT LEAST as much swap space as RAM, or if you do start paging, it is likely that you will run out if any paging activity occurs. 2 times is a good first guess for large systems, but for small systems running X windows, swap space in the order of at least 40-80MB is appropriate. If you run lots of large simulation programs, then you need enough swap space to handle the VM requirements of the program. John