Date: Tue, 3 May 2005 15:15:54 -0600 From: "Chad Leigh -- Shire.Net LLC" <chad@shire.net> To: Kris Kennaway <kris@obsecurity.org> Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: swap space Message-ID: <2491CCFD-B6DD-4A29-8023-9E46891DC7A2@shire.net> In-Reply-To: <20050503210743.GA11371@xor.obsecurity.org> References: <000601c5500e$85b4f3c0$0a01a8c0@ops.cenergynetworks.com> <20050503204542.GB10776@xor.obsecurity.org> <D1E87824-3EDF-4E57-AF92-C1BB6ED668F2@shire.net> <20050503210743.GA11371@xor.obsecurity.org>
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On May 3, 2005, at 3:07 PM, Kris Kennaway wrote: > On Tue, May 03, 2005 at 03:02:11PM -0600, Chad Leigh -- Shire.Net > LLC wrote: > >> >> On May 3, 2005, at 2:45 PM, Kris Kennaway wrote: >> >>> Since it's a pain to add swap later you want to make >>> allowances for future expansion (e.g. you'd need 32GB of swap if you >>> ever plan to add 32GB of RAM). >>> >> >> I understand that people recommend as much swap as you have ram or >> more. However, is this required and why? I have a dual opteron >> system running i386 5.3-release (with released patches) and it has >> 4GB RAM and only 2GB of swap, which is hardly ever touched, and when >> it is, just in small amounts. >> >> Why is this a problem? (If it ever needs the 2gb of swap I am in >> trouble as the load at that time would be sky high and the machine >> not really responsive anyway) >> > > I explained in my email..you need it to dump the kernel. > Thanks! Well, on my production system, I am not dumping any kernels. Once It crashes, I reboot it and go back into production. Anything dumped would get wiped out. Luckily I am pretty conservative and only move to new versions of the OS when they have been released a while and so my machines have not had panics in years. Thanks Chad
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