Date: Tue, 22 Oct 2013 19:59:47 -0600 (MDT) From: Warren Block <wblock@wonkity.com> To: aurfalien <aurfalien@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: FreeBSD, Centos and ZFS - SOLVED Message-ID: <alpine.BSF.2.00.1310221957500.89571@wonkity.com> In-Reply-To: <25C055B9-4A19-46C8-B78E-AC8BD6E00CD9@gmail.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>
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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.
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