Date: Fri, 24 Feb 2006 13:07:45 -0800 From: Jason Evans <jasone@freebsd.org> To: Mike Jakubik <mikej@rogers.com> Cc: freebsd-current@freebsd.org, Peter Fraser <petros.fraser@gmail.com>, Mark Kirkwood <markir@paradise.net.nz> Subject: Re: Virtual memory consumption (both user and kernel) in modern CURRENT Message-ID: <06424916-2FC9-4A31-A109-654682BFC1C4@freebsd.org> In-Reply-To: <43FE9370.8000209@rogers.com> References: <aa2cc130602231241u15e464bcu848a4aef2998c50f@mail.gmail.com> <43FE6DBD.5000006@paradise.net.nz> <2154.FgtQRFVGBkU=.1140749016.squirrel@172.16.0.1> <43FE7800.4040808@paradise.net.nz> <43FE9370.8000209@rogers.com>
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On Feb 23, 2006, at 9:02 PM, Mike Jakubik wrote: > Mark Kirkwood wrote: >> Mike Jakubik wrote: >>> On Thu, February 23, 2006 9:21 pm, Mark Kirkwood wrote: >>> >>> >>>> The most likely culprit is the fact that redzones are enabled at >>>> the >>>> moment in -CURRENT. >>>> >>>> On that note, Mike - did you try turning them off? >>> >>> >>> Yes, it lowered my swap space usage from 40MB to 1MB. Which is >>> certainly >>> better, but even before, my system used no swap. >>> >> >> Hmm, that's not so great - any idea about how much free memory you >> had using the old malloc? >> >> I'm interested, as I run 6.0R on a PIII with 512MB RAM and have >> (right now) 193MB free, that's with Enlightment, Firefox, >> Thunderbird, xmms, and several Eterms running - so needless to say >> it runs great. I'm wondering what the situation will look like >> with -CURRENT.... > > Nope, and i don't really feel like backing out malloc and > recompiling world now :P Basically, i had bit more free memory, > but i suggest you stick with 6.x, unless you don't mind testing a > development branch. I did some quick experiments last night, where I booted a -current system with phkmalloc, then with jemalloc. The total increase in resident memory was negligible, on the order of kilobytes. Jason
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