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Subject: Re: FreeBSD, Centos and ZFS - SOLVED
From: Adrian Chadd <adrian@freebsd.org>
To: aurfalien <aurfalien@gmail.com>
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Hi!

Sorry to resurrect this thread, but I'd like to understand what's
going on under the hood.


On 22 October 2013 16:40, aurfalien <aurfalien@gmail.com> wrote:

> 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.
>
> In fact, FreeBSD is showing a tad better now then CentOS.  I have files if any one is interested in viewing.
>
> Thanks to all for the rather overwhelming response :)
>
> Actually it was good that hardly any one did as it forced me to debug the old fashioned way :)

Would you mind testing out running powerd as suggested? Does that give
you a performance boost?

with this in /etc/rc.conf:

performance_cpu_freq="HIGH"

Thanks!



-adrian