From owner-freebsd-questions@FreeBSD.ORG Wed Oct 23 04:05:14 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 4820FEE7; Wed, 23 Oct 2013 04:05:14 +0000 (UTC) (envelope-from aurfalien@gmail.com) Received: from mail-oa0-x22e.google.com (mail-oa0-x22e.google.com [IPv6:2607:f8b0:4003:c02::22e]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id F25DF2EB0; Wed, 23 Oct 2013 04:05:13 +0000 (UTC) Received: by mail-oa0-f46.google.com with SMTP id g12so267364oah.19 for ; Tue, 22 Oct 2013 21:05:13 -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 :content-transfer-encoding:message-id:references:to; bh=XCy9XUPxe5dJNmLpJbptslxwT6nADQO3AmU+QAfxqSE=; b=k0XTBHYUum2iosQTznQ9IMjLcQ3wd0ERceG+8kD5dyN/UkWZP0sF6+T7yXM0/78nMp hi6oCr9MFmhUK3MwneZyDGqdBWSzeD0/CE+vAZF21Mf2XlizY/Djw+hJmW/h0X0ukGP2 yzb8aEHWML9MN9T5YgS0H4ekhk8eIHt3B6ZvvQ7ny1YgT8XE/k8xNz+Kija5+mPXVux0 qyUXVCcdjdpjh9t9hxKAAs8x7b23gEMMNWyKfrh82fjUd1Rq1OZpY8vAIA+qctJkQMmI DCSLG/bYj04P+K3JxQRcsJrSFtNELRF0UwlTcbN2gHVf6tidfeNUT4xDnNzt9p0rS149 LFmw== X-Received: by 10.182.125.161 with SMTP id mr1mr9745obb.75.1382501113233; Tue, 22 Oct 2013 21:05:13 -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 nw5sm46699712obc.9.2013.10.22.21.05.11 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 22 Oct 2013 21:05:12 -0700 (PDT) Subject: Re: FreeBSD, Centos and ZFS - SOLVED Mime-Version: 1.0 (Apple Message framework v1085) Content-Type: text/plain; charset=us-ascii From: aurfalien In-Reply-To: Date: Tue, 22 Oct 2013 21:05:10 -0700 Content-Transfer-Encoding: quoted-printable Message-Id: <3CFEDC20-A6A5-4749-A2DA-9DD1157A0063@gmail.com> 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> <582DEBF0-5745-4E65-AEEF-36C11A631F4E@gmail.com> To: Warren Block X-Mailer: Apple Mail (2.1085) Cc: freebsd-questions@freebsd.org 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 04:05:14 -0000 On Oct 22, 2013, at 8:49 PM, Warren Block wrote: > On Tue, 22 Oct 2013, aurfalien wrote: >=20 >>=20 >> On Oct 22, 2013, at 6:59 PM, Warren Block wrote: >>=20 >>> 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. >>=20 >> Thats interesting, I will and report back. >>=20 >> 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? >=20 > There's the hiadaptive profile, and the polling interval (-p) can be = reduced from the default of 250ms. 50ms made my desktop a lot more = responsive. I also have some patches for a "hyper" mode that only uses = the fastest and slowest speeds, no slewing. Mailing list thread here: = http://lists.freebsd.org/pipermail/freebsd-acpi/2013-July/008238.html >=20 > To date, I have not really found out whether the hyper mode is truly = better in terms of speed versus power. Indeed a gold nugget, thanks man. I will try all this. - aurf