Date: Sat, 04 Sep 2010 09:25:44 +0900 From: Randy Bush <randy@psg.com> To: Marco van Tol <marco@tols.org> Cc: freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: just another sad story in zfs tuning city Message-ID: <m2iq2mnylz.wl%randy@psg.com> In-Reply-To: <20100903130646.GD19666@tolstoy.tols.org> References: <m262ynq8zv.wl%randy@psg.com> <20100903130646.GD19666@tolstoy.tols.org>
next in thread | previous in thread | raw e-mail | index | archive | help
>> i am tempted to just boot without the zfs memory hacks in loader >> conf. any warnings on doing so? any other clues also gladly >> accepted. > > Sticking a wet finger in the air, and assuming /dev/mirror/boota holds a > UFS filesystem that's just used to boot from I'd say give kmem_size 1.5x > physical, arc_max 1.0x physical, and arc_min 0.5x physical memory to > have it compete with the UFS page cache. After that applications that > run can't use more then (0.5x physical memory plus swap space). thanks. it ain't crashed yet. running some large builds to see how it performs. but what about just taking the defaults, no parms? one would hope that this would be successful, as that is the simple path. randy
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?m2iq2mnylz.wl%randy>