From owner-freebsd-questions@FreeBSD.ORG Wed Oct 23 03:24:41 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 4140553D; Wed, 23 Oct 2013 03:24:41 +0000 (UTC) (envelope-from aurfalien@gmail.com) Received: from mail-ob0-x232.google.com (mail-ob0-x232.google.com [IPv6:2607:f8b0:4003:c01::232]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id DE2882CE1; Wed, 23 Oct 2013 03:24:40 +0000 (UTC) Received: by mail-ob0-f178.google.com with SMTP id wm4so228917obc.37 for ; Tue, 22 Oct 2013 20:24:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:mime-version:content-type:from:in-reply-to:date:cc :message-id:references:to; bh=vEJku6CtVxc7tTZ2cnyvt7gci1zi9MLMaxBmiiS+oPk=; b=ymGEmd73SuOFKqJG5Vot9guXOZGBvfz8z6HPfRRt1MDjzYq41mD+alxI3Eb5WT+ftf w2Kk2zbb5gKwz3iI5gCKFoFGZ5AnED0j4PdTo0+dJYEcPY2tB3ZzTSgkwE64AQDXw7NN sSArY2v2pvMR1FqZGvyR85CBOJiQ/I7kANDCQCjHttI+AdtWATVHszBPSGwJFiJ6UhvU N8X9/yOvUBrrIEydKsZXK543y92tIF7ukldE416GZhR1eLy6Jc6YfvZv1AC86rWRrEMk +bDhqiqfDhi/fPoSIIEyyaxjNTAe/RPX2v8lTPQUIZzCB2Vvj9AHvDVHBJGIOuKdCjsB jdgg== X-Received: by 10.60.155.166 with SMTP id vx6mr4945381oeb.28.1382498680115; Tue, 22 Oct 2013 20:24:40 -0700 (PDT) Received: from [192.168.1.74] (75-63-29-182.lightspeed.irvnca.sbcglobal.net. [75.63.29.182]) by mx.google.com with ESMTPSA id wd7sm46439686obc.3.2013.10.22.20.24.37 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 22 Oct 2013 20:24:39 -0700 (PDT) Subject: Re: FreeBSD, Centos and ZFS - SOLVED Mime-Version: 1.0 (Apple Message framework v1085) From: aurfalien In-Reply-To: Date: Tue, 22 Oct 2013 20:24:37 -0700 Message-Id: References: <1381600575.18393.33219025.5D7B78D0@webmail.messagingengine.com> <8CA809B3-1692-4760-A63F-9D7451EB49BD@gmail.com> <525D143B.50202@gmail.com> <1382285088.2462.36238881.1AA6BB17@webmail.messagingengine.com> <25C055B9-4A19-46C8-B78E-AC8BD6E00CD9@gmail.com> To: Adrian Chadd X-Mailer: Apple Mail (2.1085) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: FreeBSD Questions X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Oct 2013 03:24:41 -0000 On Oct 22, 2013, at 7:55 PM, Adrian Chadd wrote: > Well, the 30% diff in performance due to those two intel CPU options = means that somehow the scheduler and power management stuff in FreeBSD = isn't playing with turbo boost / speedstep. >=20 > So yeah, figuring out why would be nice. Ditto. I never enabled powerd in FreeBSD9 or 10. Unsure what the default = position is. In CentOS, I usually just set a diff BIOS feature as disabled or = performance depending on what the options are. On this server, it had acoustic/performance/balance as well as well as = that CPU option which threw me off. - aurf >=20 >=20 >=20 > -adrian >=20 >=20 >=20 > On 22 October 2013 16:40, aurfalien wrote: >=20 > On Oct 20, 2013, at 9:04 AM, Mark Felder wrote: >=20 > > 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=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 > In fact, FreeBSD is showing a tad better now then CentOS. I have = files if any one is interested in viewing. >=20 > Thanks to all for the rather overwhelming response :) >=20 > Actually it was good that hardly any one did as it forced me to debug = the old fashioned way :) >=20 > - aurf > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to = "freebsd-questions-unsubscribe@freebsd.org" >=20