On Fri, Jan 23, 2009 at 11:55:20AM -0430, Patrick O'Callaghan wrote: > On Fri, 2009-01-23 at 10:24 -0600, Michael Cronenworth wrote: > > -------- Original Message -------- > > Subject: Re: RAM question for everyone! > > From: Alan Evans <ame.fedora@xxxxxxxxx> > > To: Community assistance, encouragement, and advice for using Fedora. > > <fedora-list@xxxxxxxxxx> > > Date: 01/23/2009 10:19 AM > > > > > > > > This question, along with other recent discussion about swap, leads me > > > to ask a question in response: Why is everyone so concerned about how > > > to get away without swap? > > > > > > Hard drives are cheap. Why does your server with potentially 10GB > > > (!!!) of RAM have a hard drive so small that you can't sacrifice a few > > > GB for swap? > > > > > > I'm really curious. > > > > > > > SATA Hard drive speeds - 70 megs to 150 megs a second unless you're RAIDing > > DDR2 RAM speeds - 6000 megs a second and up. > > > > If performance is a key issue, which I'm sure it is, you don't want swap. > > In which case the real question is not "how much swap do I need?" but > "how much RAM do I need to avoid swapping?". My philosophy on that question is: Figure the worst-case max amount you'll ever need then double it. At least. If not triple. -- ------------------------------------------------------------------------------- .---- Fred Smith / ( /__ ,__. __ __ / __ : / / / / /__) / / /__) .+' Home: fredex@xxxxxxxxxxxxxxxxxxxxxx / / (__ (___ (__(_ (___ / :__ 781-438-5471 -------------------------------- Jude 1:24,25 ---------------------------------
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