From owner-freebsd-stable@FreeBSD.ORG Sun Aug 8 13:05:53 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7CC171065672 for ; Sun, 8 Aug 2010 13:05:53 +0000 (UTC) (envelope-from universite@ukr.net) Received: from otrada.od.ua (unknown [IPv6:2001:5c0:1000:b::599b]) by mx1.freebsd.org (Postfix) with ESMTP id 6C5238FC16 for ; Sun, 8 Aug 2010 13:05:51 +0000 (UTC) Received: from [10.0.0.10] (phenom.otrada.od.ua [10.0.0.10]) (authenticated bits=0) by otrada.od.ua (8.14.3/8.14.3) with ESMTP id o78D5kFu046576 for ; Sun, 8 Aug 2010 16:05:46 +0300 (EEST) (envelope-from universite@ukr.net) X-Authentication-Warning: otrada.od.ua: Host phenom.otrada.od.ua [10.0.0.10] claimed to be [10.0.0.10] Message-ID: <4C5EABA5.9090709@ukr.net> Date: Sun, 08 Aug 2010 16:05:41 +0300 From: "Vladislav V. Prodan" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; ru; rv:1.9.2.8) Gecko/20100802 Thunderbird/3.1.2 MIME-Version: 1.0 To: freebsd-stable@freebsd.org References: <201008042008.25679.alexvpetrov@gmail.com> <201008081108.00175.alexvpetrov@gmail.com> <4C5E2EE9.6020008@ukr.net> <201008081357.09659.alexvpetrov@gmail.com> In-Reply-To: <201008081357.09659.alexvpetrov@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-0.3 required=5.0 tests=ALL_TRUSTED,AWL autolearn=failed version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on mary-teresa.otrada.od.ua X-Virus-Scanned: clamav-milter 0.95.3 at mary-teresa.otrada.od.ua X-Virus-Status: Clean Subject: Re: zpool - low speed write X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 08 Aug 2010 13:05:53 -0000 08.08.2010 8:57, Alex V. Petrov wrote: > I think these settings are relevant only for i386, but not for amd64 These settings are just for amd64! They guarantee maximum performance ZFS. On my system amd64 + ZFS speed read-write into ZFS on 5-20% different from the physical read-write speed on single discs.