Date: Thu, 3 May 2007 03:47:40 +0800 From: "Mars G. Miro" <marsgmiro@gmail.com> To: "Dominic Marks" <dom@goodforbusiness.co.uk> Cc: freebsd-stable@freebsd.org Subject: Re: mfs and buildworlds on da SunFire x4600 Message-ID: <28edec3c0705021247s84ee50fwe7f70a839bbcb8bc@mail.gmail.com> In-Reply-To: <28edec3c0705021229w50380f5cqf8608c694bbbf267@mail.gmail.com> References: <28edec3c0705021139h45c785c2s915941c0afb93b5d@mail.gmail.com> <20070502190732.GA42282@xor.obsecurity.org> <28edec3c0705021229w50380f5cqf8608c694bbbf267@mail.gmail.com>
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>> I've read a lot of threads in da past (and da BSDCan 2006 paper) >> regarding mfs on /usr/src and /usr/obj to speed up buildworlds, >> unfortunately it doesnt seem to improve things. I've tried both a >> malloc and swap based async non-softupdates mfs (and rebooted da box >> every after) but my buildworld speeds seem to be just da same as I do >> it on da MPT SAS disk w/c is just around ~18mins. >When you have 32GB of RAM and 16 CPUs I'm not sure this applies. >Is 18 minutes really too long to wait? :-) Actually, it's not about having to finish building da world in da smallest amount of time, it's about whether mfs would really speed things up... I'll try doing some testing on some of da x4100s w/ 8G of RAM here... Thanks ;-) >> Yeah, i know there's da tmpfs project but I was just wondering if I >> may have missed somthing in my mfs adventures. >> >PS. s/da/the/g (please!) >Dominic cheers mars
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