FreeBSD, Centos and ZFS - SOLVED

[Outback Dingo]

On Wed, Oct 23, 2013 at 1:53 PM, aurfalien <aurfalien at gmail.com> wrote:

>
> On Oct 22, 2013, at 6:59 PM, Warren Block wrote:
>
> > On Tue, 22 Oct 2013, aurfalien wrote:
> >
> >>
> >> On Oct 20, 2013, at 9:04 AM, Mark Felder wrote:
> >>
> >>> On Sat, Oct 19, 2013, at 14:31, aurfalien wrote:
> >>>>
> >>>> ZoL comes with a little interesting feature; arc2 compression, which
> does
> >>>> seem to enhance performance all around.  I disabled this in CentOS to
> >>>> level the playing field.
> >>>>
> >>>
> >>> FreeBSD 10 also has L2ARC compression
> >>>
> >>> http://svnweb.freebsd.org/base?view=revision&revision=251478
> >>
> >> OMG, what a relief... the ~30% diff in performance was due to a BIOS
> setting, in particular this one;
> >>
> >> Intel Turbo Boost Technology
> >> Enhanced Intel SpeedStep Tech
> >>
> >> I disabled both.
> >
> > Enable them both and also enable powerd on FreeBSD in /etc/rc.conf so it
> can take advantage of the first.
> >
> >> In fact, FreeBSD is showing a tad better now then CentOS.  I have files
> if any one is interested in viewing.
> >
> > With Turbo mode on, it may go even faster.
>
> Yep, confirmed, got about ~1000 IOPS more by doing this (via fio).
>
> So on to the other pots regarding tuning powerd.
>
> - aurf
>

so curious what was the fio test on the command line.......

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