Date: Thu, 18 May 2006 18:57:38 +0200 From: "Ronald Klop" <ronald-freebsd8@klop.yi.org> To: freebsd-stable@freebsd.org Subject: Re: why the swapping Message-ID: <op.s9raqcsl8527sy@localhost> In-Reply-To: <200605180733.07375.x@vex.net> References: <200605180733.07375.x@vex.net>
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On Thu, 18 May 2006 13:33:07 +0200, Tim Middleton <x@vex.net> wrote: > > Running 6.0-release, with 2 gig ram. Typical memory stats like this (from > top): > > 626M Active, > 1045M Inact, > 204M Wired, > 75M Cache, > 112M Buf, > 22M Free > > Under moderately high load i'm seeing a lot of swapping periodically > through > the day (and then load avg going way, way up, of course). I'm wondering > why > is there, with so much inactive memory, so much disk swapping? > > The machine runs some fairly intense stuff, such as squid, postgresql, > and > zope; but it seems to me there should be enough RAM to cover all of this > without swapping. What am I missing? Am i misinterpretting the stats, and > just not understanding how the vm works? What is the memory use of your applications? Reported by top (SIZE and RES) or by ps. How much (different) data from/to disk is being processed by your applications in what time interval? Ronald. -- Ronald Klop Amsterdam, The Netherlands
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