Date: Wed, 8 Oct 1997 18:42:25 -0700 (PDT) From: "Jonathan M. Bresler" <jmb> To: dg@root.com Cc: reilly@zeta.org.au, gordon@drogon.net, hackers@freebsd.org Subject: Re: Wheres all my memory going? Message-ID: <199710090142.SAA29398@hub.freebsd.org> In-Reply-To: <199710082352.QAA24445@implode.root.com> from "David Greenman" at Oct 8, 97 04:52:13 pm
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David Greenman wrote: > > >On 8 Oct, David Greenman wrote: > >>>Machine boots OK. I start named (8.1.1) and it initialises. However, after > >>>some time (a day or so) the machine start to run out of swap space. I only > >>>allocated 64M of swap. (Is this the problem?) What I can't figure out is > >>>where the memory is going. Output of 'top -b' shows: > >> > >> Yes, you need more swap than you have RAM...this is very important to > >> avoid problems. > > > >Does that mean that it is not possible to run a FreeBSD system without > >swap at all? I can think of a number of situations (mostly kind of > >embedded) where you can arrange to satisfy all of the memory > >requirements with RAM, but don't want to add a disk or use a network > >for swap. > > That's what it means. As soon as the free pages get depleted and the system > tries to reclaim some memory, it will get unhappy and start killing off > processes rather than recaiming only unmodified pages or whatever. This is a > problem that needs to be dealt with in the future. something really hideous....swap to an MFS partition?
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