From owner-freebsd-questions@FreeBSD.ORG Tue Dec 30 08:44:46 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9A8E9106566B for ; Tue, 30 Dec 2008 08:44:46 +0000 (UTC) (envelope-from bernard@dugas-family.org) Received: from smtp11.ispronet.com (smtp11.ispronet.com [81.28.196.233]) by mx1.freebsd.org (Postfix) with ESMTP id 553538FC14 for ; Tue, 30 Dec 2008 08:44:46 +0000 (UTC) (envelope-from bernard@dugas-family.org) Received: from localhost (unknown [127.0.0.1]) by smtp11.ispronet.com (Postfix) with ESMTP id 2D885B853; Tue, 30 Dec 2008 09:44:45 +0100 (CET) Received: from smtp11.ispronet.com ([127.0.0.1]) by localhost (smtp11.ispronet.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 36934-08; Tue, 30 Dec 2008 09:44:36 +0100 (CET) Received: from [192.168.1.50] (unknown [81.28.194.61]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp11.ispronet.com (Postfix) with ESMTP; Tue, 30 Dec 2008 09:44:36 +0100 (CET) Message-ID: <4959DFEF.5090407@dugas-family.org> Date: Tue, 30 Dec 2008 09:46:39 +0100 From: Bernard Dugas User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; fr-FR; rv:1.7) Gecko/20040616 X-Accept-Language: fr,en MIME-Version: 1.0 To: Wojciech Puchar References: <20081216094719.EDCEE1065675@hub.freebsd.org> <495930E4.1030501@dugas-family.org> <20081229230115.F68805@wojtek.tensor.gdynia.pl> In-Reply-To: <20081229230115.F68805@wojtek.tensor.gdynia.pl> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: amavisd-new at ispronet.com Cc: freebsd-questions@freebsd.org Subject: Re: Optimising NFS for system files X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Dec 2008 08:44:46 -0000 Wojciech Puchar wrote: >> i can see a reading speed difference 4 time slower on client than on >> server (time tar -cf - /usr > /dev/null). >> >> I will play with jumbo MTU for network performance, but would anybody >> know if i can ask system files NFS exports to stay in server memory ? >> I have less than 2Go to share and 2GO DDR2 is affordable. > > you don't have to. So you din't think that if all files are already in RAM on server, i will save the drive access time ? Or do you think the NFS network access is so much slow that the disk access time is just marginal ? Do you think i should use something more efficient than NFS ? Best regards, -- Bernard DUGAS Mobile +33 615 333 770