OpenZFS: kldload zfs.ko freezes on i386 4GB memory
Slawa Olhovchenkov
slw at zxy.spb.ru
Fri Oct 30 23:31:43 UTC 2020
On Fri, Oct 30, 2020 at 04:00:55PM -0700, Cy Schubert wrote:
> > > > More stresses memory usually refers to performance penalty.
> > > > Usually way for better performance is reduce memory access.
> > >
> > > The reason filesystems (UFS, ZFS, EXT4, etc.) cache is to avoid disk
> > > accesses. Nanoseconds vs milliseconds.
> >
> > I mean compared ZoL ZFS ARC vs old (BSD/Opensolaris/Illumos) ZFS ARC.
> > Any reaason to rise ARC hit rate in ZoL case?
>
> That's what hit rate is. It's a memory access instead of a disk access.
> That's what you want.
Is ZoL ARC hit rate rise from FreeBSD ARC hit rate?
More information about the freebsd-current
mailing list