Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 23 Oct 2013 10:53:08 -0700
From:      aurfalien <aurfalien@gmail.com>
To:        Warren Block <wblock@wonkity.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: FreeBSD, Centos and ZFS - SOLVED
Message-ID:  <583CD1A7-A2F8-410E-B0C0-0C562833E024@gmail.com>
In-Reply-To: <alpine.BSF.2.00.1310221957500.89571@wonkity.com>
References:  <CBA24BB3-4A57-428C-B342-4BEB678B8D43@gmail.com> <1381600575.18393.33219025.5D7B78D0@webmail.messagingengine.com> <8CA809B3-1692-4760-A63F-9D7451EB49BD@gmail.com> <525D143B.50202@gmail.com> <DF3E552D-D2E6-464C-88EA-7AF34E8329CC@gmail.com> <1382285088.2462.36238881.1AA6BB17@webmail.messagingengine.com> <25C055B9-4A19-46C8-B78E-AC8BD6E00CD9@gmail.com> <alpine.BSF.2.00.1310221957500.89571@wonkity.com>

next in thread | previous in thread | raw e-mail | index | archive | help


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








Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?583CD1A7-A2F8-410E-B0C0-0C562833E024>