Date: Wed, 29 Jul 2009 18:53:01 +0100 From: Anton Shterenlikht <mexas@bristol.ac.uk> To: Mel Flynn <mel.flynn+fbsd.current@mailing.thruhere.net> Cc: freebsd-current@freebsd.org, freebsd-ia64@freebsd.org Subject: Re: virtually no free memory left on buildworld Message-ID: <20090729175301.GA87838@mech-cluster241.men.bris.ac.uk> In-Reply-To: <200907290935.02504.mel.flynn%2Bfbsd.current@mailing.thruhere.net> References: <20090729172431.GA69866@mech-cluster241.men.bris.ac.uk> <200907290935.02504.mel.flynn%2Bfbsd.current@mailing.thruhere.net>
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On Wed, Jul 29, 2009 at 09:35:02AM -0800, Mel Flynn wrote: > On Wednesday 29 July 2009 09:24:31 Anton Shterenlikht wrote: > > I just installed new 4GB RAM in ia64 rx2600 box. > > On make -j8 buildworld I see with "top -PISu": > > > > > > last pid: 69791; load averages: 8.42, 8.44, 8.59 up 0+02:04:49 > > 18:18:17 154 processes: 11 running, 125 sleeping, 18 waiting > > CPU 0: 88.8% user, 0.0% nice, 11.0% system, 0.1% interrupt, 0.0% idle > > CPU 1: 92.5% user, 0.0% nice, 7.4% system, 0.0% interrupt, 0.0% idle > > Mem: 856M Active, 2414M Inact, 492M Wired, 136M Cache, 417M Buf, 17M Free > > Swap: 2048M Total, 2048M Free > > Good, 2G of filesystem information cached and no swap used. Think of free > memory as wasted memory. ok, so I completely misunderstood free and inactive. Where can I read more on this (active, inactive, wired, cashe, buf, free)? The top man page doesn't explain these memory states. many thanks -- Anton Shterenlikht Room 2.6, Queen's Building Mech Eng Dept Bristol University University Walk, Bristol BS8 1TR, UK Tel: +44 (0)117 928 8233 Fax: +44 (0)117 929 4423
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