From owner-freebsd-current@FreeBSD.ORG Thu Sep 8 06:47:17 2011 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 835291065675 for ; Thu, 8 Sep 2011 06:47:17 +0000 (UTC) (envelope-from ohartman@zedat.fu-berlin.de) Received: from outpost1.zedat.fu-berlin.de (outpost1.zedat.fu-berlin.de [130.133.4.66]) by mx1.freebsd.org (Postfix) with ESMTP id 3E8558FC16 for ; Thu, 8 Sep 2011 06:47:16 +0000 (UTC) Received: from inpost2.zedat.fu-berlin.de ([130.133.4.69]) by outpost1.zedat.fu-berlin.de (Exim 4.69) with esmtp (envelope-from ) id <1R1YOK-0002sX-87>; Thu, 08 Sep 2011 08:47:16 +0200 Received: from e178018031.adsl.alicedsl.de ([85.178.18.31] helo=thor.walstatt.dyndns.org) by inpost2.zedat.fu-berlin.de (Exim 4.69) with esmtpsa (envelope-from ) id <1R1YOK-0002TI-5c>; Thu, 08 Sep 2011 08:47:16 +0200 Message-ID: <4E6864F4.2090700@zedat.fu-berlin.de> Date: Thu, 08 Sep 2011 08:47:16 +0200 From: "Hartmann, O." User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:6.0.2) Gecko/20110907 Thunderbird/6.0.2 MIME-Version: 1.0 To: Sergey Kandaurov References: <4E67EFDF.7090804@zedat.fu-berlin.de> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: 85.178.18.31 Cc: freebsd-current Subject: Re: FreeBSD 9.0 and 4-socket Intel XEON E7-4870 system -->> 80 logical CPUs X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 08 Sep 2011 06:47:17 -0000 On 09/08/11 08:15, Sergey Kandaurov wrote: > On 8 September 2011 02:27, Hartmann, O. wrote: >> Watching the ncpu number, I realized that FreeBSD is limited to 64 >> processors. >> Some vendors offer now 4-socket Intel Xeon E7-4870 systems. This >> "Westmere" >> based CPU has 10 physical and 20 logical cores, summa summarum 80 >> cores. >> Is FreeBSD 9.0 capable of handling such a server? > See kernel option MAXCPU and its description in NOTES. > Thanks a lot. My view of the limit was a bit outdated ... Regards, oh