From owner-freebsd-emulation@FreeBSD.ORG Mon Apr 9 03:43:18 2012 Return-Path: Delivered-To: freebsd-emulation@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CDE7D106566B for ; Mon, 9 Apr 2012 03:43:18 +0000 (UTC) (envelope-from yuri@rawbw.com) Received: from shell0.rawbw.com (shell0.rawbw.com [198.144.192.45]) by mx1.freebsd.org (Postfix) with ESMTP id 9CE4A8FC0C for ; Mon, 9 Apr 2012 03:43:18 +0000 (UTC) Received: from eagle.yuri.org (stunnel@localhost [127.0.0.1]) (authenticated bits=0) by shell0.rawbw.com (8.14.4/8.14.4) with ESMTP id q393hIXp015176 for ; Sun, 8 Apr 2012 20:43:18 -0700 (PDT) (envelope-from yuri@rawbw.com) Message-ID: <4F825AD5.6040609@rawbw.com> Date: Sun, 08 Apr 2012 20:43:17 -0700 From: Yuri User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:10.0.3) Gecko/20120316 Thunderbird/10.0.3 MIME-Version: 1.0 To: freebsd-emulation@freebsd.org References: <4F82551A.9040206@rawbw.com> In-Reply-To: <4F82551A.9040206@rawbw.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: NFS from virtualbox guest is much slower than NFS from another machine X-BeenThere: freebsd-emulation@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Development of Emulators of other operating systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Apr 2012 03:43:18 -0000 On 04/08/2012 20:18, Yuri wrote: > Same NFS operations take 11 sec from the local vbox guest and 3 sec > from the remote host over 100Mb link. During build, top in guest shows <3% CPU load on average (during intense NFS), but top on the host shows that VirtualBox process consumes 50% CPU. Looks like somewhere somebody does some processing byte by byte. Yuri