10.2-Beta i386..what's wrong..?
gjb at FreeBSD.org
Fri Jul 24 00:49:42 UTC 2015
On Thu, Jul 23, 2015 at 07:44:43PM -0500, Mark Linimon wrote:
> On Fri, Jul 24, 2015 at 12:43:43AM +0000, Glen Barber wrote:
> > Even on amd64, you need to tune the system with less than 4GB RAM.
> The only correct answer to "how much RAM do you need to run ZFS" is
> "always more" AFAICT.
There's a bit more to it than that. You *can* successfully run amd64
ZFS system with certain tunings (vfs.kmem_max IIRC), but you also need
to adjust things like disabling prefetching with less than 4GB RAM
(accessible to the OS).
So yeah, "more RAM" is always a thing in this playing field.
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