Date: Tue, 05 Apr 2011 10:09:32 -0400 From: Boris Kochergin <spawk@acm.poly.edu> To: Pete French <petefrench@ingresso.co.uk> Cc: freebsd-stable@FreeBSD.org, freebsd@jdc.parodius.com, avg@FreeBSD.org Subject: Re: Kernel memory leak in 8.2-PRERELEASE? Message-ID: <4D9B229C.1050103@acm.poly.edu> In-Reply-To: <E1Q76rm-0001Cr-B2@dilbert.ticketswitch.com> References: <E1Q76rm-0001Cr-B2@dilbert.ticketswitch.com>
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On 04/05/11 10:04, Pete French wrote: >> Adding some swap would help a lot more. > So, I run a lot of systems without swap - basically my > thinking at the time I set them up went like this. > > "I have 4 gig of memory, and 4 gig of swap. Surely running 8 gig of > memory and no swap will be just as good ?" > > but, is that actually true ? Is real RAM as good as an equivalent amount > of swap, or is there smething special about swap which means you shoud > have some no matter how much RAM you have ? > > -pete. I guess swap is special since I assume memory used by the kernel will never be offloaded to it (could be wrong), but userspace memory will, so it is guaranteed to be available to userspace processes only. -Boris
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