Date: Tue, 22 Oct 2013 20:20:29 -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: <582DEBF0-5745-4E65-AEEF-36C11A631F4E@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>
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On Oct 22, 2013, at 6:59 PM, Warren Block wrote: > On Tue, 22 Oct 2013, aurfalien wrote: >=20 >>=20 >> On Oct 20, 2013, at 9:04 AM, Mark Felder wrote: >>=20 >>> On Sat, Oct 19, 2013, at 14:31, aurfalien wrote: >>>>=20 >>>> 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. >>>>=20 >>>=20 >>> FreeBSD 10 also has L2ARC compression >>>=20 >>> http://svnweb.freebsd.org/base?view=3Drevision&revision=3D251478 >>=20 >> OMG, what a relief... the ~30% diff in performance was due to a BIOS = setting, in particular this one; >>=20 >> Intel Turbo Boost Technology >> Enhanced Intel SpeedStep Tech >>=20 >> I disabled both. >=20 > Enable them both and also enable powerd on FreeBSD in /etc/rc.conf so = it can take advantage of the first. >=20 >> In fact, FreeBSD is showing a tad better now then CentOS. I have = files if any one is interested in viewing. >=20 > With Turbo mode on, it may go even faster. Thats interesting, I will and report back. Since this will be a rather heavily utilized NFS server (perhaps CIFS = later), how do I ensure powerd doesn't lullaby the server to sleep or at = least slow it down during mellow periods? - aurf=20
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