Date: Fri, 8 Feb 2008 10:39:41 -0500 From: Jerry McAllister <jerrymc@msu.edu> To: "Jason C. Wells" <jcw@highperformance.net> Cc: freebsd-questions@freebsd.org Subject: Re: Some ideas for FreeBSD Message-ID: <20080208153941.GB35348@gizmo.acns.msu.edu> In-Reply-To: <47AB9DA9.8080006@highperformance.net> References: <50460.33951.qm@web34512.mail.mud.yahoo.com> <20080207151415.06393db1@meijome.net> <47AAA5F0.4090803@highperformance.net> <200802070818.45400.wundram@beenic.net> <47AB9DA9.8080006@highperformance.net>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, Feb 07, 2008 at 04:09:13PM -0800, Jason C. Wells wrote: > Heiko Wundram (Beenic) wrote: > >Am Donnerstag, 7. Februar 2008 07:32:16 schrieb Jason C. Wells: > >>Norberto Meijome wrote: > >>>But I agree with Wojciech..do you really want to use swap files? > >>One could mount an md filesystem and then use that as swap. That way > >>you wouldn't need to use any disc space. As a plus, the performance > >>would be way better than disc. > > > >Ahem, sorry, that's just plain stupid. Either the md system is backed up > >by RAM (in which case you don't need the swap anyway; why'd you want to > >access RAM by putting it in a swap on an md in RAM?), or it's backed up by > >swap, in which case you have a chicken and egg problem. > > Mmm, yes. That is quite a pickle. But a chicken or an egg would still > be inferior to an md backed swap. :) Huh? md backed swap is just using memory which, if you hadn't wasted it by making it md, it might obviate the need for swap at all - anyway it would not be a faster system if the md had to be swapped out. It just adds another layer of interferrence. ////jerry > > Regards, > Jason > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20080208153941.GB35348>