From owner-freebsd-questions@FreeBSD.ORG Sat May 21 18:37:52 2011 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 1F99E1065672 for ; Sat, 21 May 2011 18:37:52 +0000 (UTC) (envelope-from universite@ukr.net) Received: from otrada.od.ua (universite-1-pt.tunnel.tserv24.sto1.ipv6.he.net [IPv6:2001:470:27:140::2]) by mx1.freebsd.org (Postfix) with ESMTP id 6B3578FC14 for ; Sat, 21 May 2011 18:37:51 +0000 (UTC) Received: from [IPv6:2001:470:28:140:24f5:b4af:c57c:abfe] ([IPv6:2001:470:28:140:24f5:b4af:c57c:abfe]) (authenticated bits=0) by otrada.od.ua (8.14.4/8.14.4) with ESMTP id p4LIbjMI013789 for ; Sat, 21 May 2011 21:37:46 +0300 (EEST) (envelope-from universite@ukr.net) Message-ID: <4DD8066B.2020307@ukr.net> Date: Sat, 21 May 2011 21:37:31 +0300 From: "Vladislav V. Prodan" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; ru; rv:1.9.2.17) Gecko/20110414 Thunderbird/3.1.10 MIME-Version: 1.0 To: freebsd-questions@freebsd.org References: <4DD638C1.7080007@ukr.net> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-95.5 required=5.0 tests=FREEMAIL_FROM,FSL_RU_URL, RDNS_NONE, SPF_SOFTFAIL, T_TO_NO_BRKTS_FREEMAIL, USER_IN_WHITELIST autolearn=no version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mary-teresa.otrada.od.ua X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7 (otrada.od.ua [IPv6:2001:470:28:140::5]); Sat, 21 May 2011 21:37:50 +0300 (EEST) Subject: Re: Tell a minimum requirement for RAM for virtual machines (virtualbox) 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: Sat, 21 May 2011 18:37:52 -0000 21.05.2011 18:57, Adam Vande More wrote: > Couple things to think about. Virtualbox by default doesn't obey flush > cache commands. This is potentially a very bad thing so you'll want to look > a changing the default for any ZFS VM, and probably any VM doing DB > operations unless speed is more of a priority than data integrity. > > The other thing to keep in mind is i386 binaries use less RAM than their > amd64 counter parts. For this reason, I always make my VM's 32 bit to > achieve higher VM density. I have not had trouble with ZFS on i385 with > 1GB+ of RAM when following the recommended tuning, but I haven't used a > heavily used them either. > > I prefer to use the MFSBSD ZFS v28 i386 iso for the install. > Thanks for the recommendation, but I have all the workers of the amd64 and tests in the i386, with its restrictions did not see the point. Now start the virtual machine to 150MB RAM, FreeBSD 8.2-CURRENT amd64 on ZFS. -- Vladislav V. Prodan VVP24-UANIC +380[67]4584408 +380[99]4060508 vlad11@jabber.ru