From owner-freebsd-fs@FreeBSD.ORG Sat Sep 20 09:53:26 2008 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7FE081065679 for ; Sat, 20 Sep 2008 09:53:26 +0000 (UTC) (envelope-from softsearch@gmail.com) Received: from fg-out-1718.google.com (fg-out-1718.google.com [72.14.220.153]) by mx1.freebsd.org (Postfix) with ESMTP id 04A318FC18 for ; Sat, 20 Sep 2008 09:53:25 +0000 (UTC) (envelope-from softsearch@gmail.com) Received: by fg-out-1718.google.com with SMTP id l26so790820fgb.35 for ; Sat, 20 Sep 2008 02:53:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:date:from:reply-to :organization:x-priority:message-id:to:cc:subject:in-reply-to :references:mime-version:content-type:content-transfer-encoding; bh=ShIUecJvdAtPP3EmHI5bVG+XIpc2ZEo07kX/+I0fx/w=; b=wzfk7GWlREuIQ96H3NMfVAgr1WwUHTguP6ZamZji2Y/nt3iqve2kb4Sxdt21EknkTf yyFFo3Gsv64rrtjXgWSNbq5VWtbyBfhh7oHMjja583sviIbkFesaTDf4XoqK0Z96dNrh a0mlvnlXJI1cT+mXO7EJD+mxSQaCtvp4z4rX0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:reply-to:organization:x-priority:message-id:to:cc:subject :in-reply-to:references:mime-version:content-type :content-transfer-encoding; b=JcvilnBWdl7N8gBn7VHchBFrlvOo/LsDoNM867MyiFlDity66gYw7gI1LaptfMjbFc 3+86a6jaC4SQEHiXph7doJizmczwA6iz6NeJwZ7YnXeW1AzFKeUny9hxoBBvL9LnPhY+ +1s7/88EH3FfgjL+KIIzOrh7jwgvFNFe5+CHU= Received: by 10.86.93.19 with SMTP id q19mr2889720fgb.76.1221904404746; Sat, 20 Sep 2008 02:53:24 -0700 (PDT) Received: from ?192.168.1.102? ([81.200.127.6]) by mx.google.com with ESMTPS id d6sm2043842fga.2.2008.09.20.02.53.21 (version=SSLv3 cipher=OTHER); Sat, 20 Sep 2008 02:53:23 -0700 (PDT) Date: Sat, 20 Sep 2008 13:53:08 +0400 From: Michael Monashev Organization: SoftSearch.ru X-Priority: 3 (Normal) Message-ID: <1441440775.20080920135308@gmail.com> To: freebsd-fs@FreeBSD.org In-Reply-To: <946072909.20080917204322@gmail.com> References: <946072909.20080917204322@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: Pawel Jakub Dawidek Subject: Re: gmirror performance patch X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Michael Monashev List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Sep 2008 09:53:26 -0000 Hi. MM> Patch for improve gmirror performance: MM> http://www.freebsd.org/cgi/query-pr.cgi?pr=113885 before: >gstat -I5s dT: 5.384s w: 5.000s L(q) ops/s r/s kBps ms/r w/s kBps ms/w %busy Name 12 118 117 1372 349.0 1 12 383.6 100.0| ad4 4 117 116 1349 297.5 1 12 30.7 99.8| ad6 38 131 130 1323 459.9 1 9 415.0 100.0| ad8 62 126 125 1418 534.5 1 9 291.9 98.9| ad10 34 131 129 1403 639.0 2 128 783.4 100.1| ad12 47 131 129 1525 747.4 2 128 1044.4 100.1| ad14 after patch: >gstat -I5s dT: 5.001s w: 5.000s L(q) ops/s r/s kBps ms/r w/s kBps ms/w %busy Name 40 93 92 1072 101.4 1 54 20.7 79.3| ad4 8 114 113 1645 285.0 1 54 87.7 95.8| ad6 6 52 45 451 23.8 7 312 19.0 44.3| ad8 85 143 136 1753 1428.8 7 312 556.6 100.2| ad10 28 91 91 707 217.0 0 0 0.1 79.1| ad12 100 129 128 1488 894.8 0 0 956.9 100.0| ad14 >gstat -I5s dT: 5.001s w: 5.000s L(q) ops/s r/s kBps ms/r w/s kBps ms/w %busy Name 10 84 83 1239 86.1 1 10 123.1 65.6| ad4 34 121 120 1698 254.2 1 10 215.8 97.3| ad6 50 132 132 1841 481.3 0 0 0.0 99.9| ad8 0 63 63 685 46.3 0 0 0.0 57.0| ad10 70 131 131 2124 532.5 0 0 166.7 100.0| ad12 0 92 91 893 69.1 1 0 49.6 80.4| ad14 -- Michael