From owner-freebsd-performance@FreeBSD.ORG Thu Mar 13 09:55:59 2008 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2CF091065670 for ; Thu, 13 Mar 2008 09:55:59 +0000 (UTC) (envelope-from ivoras@gmail.com) Received: from rv-out-0910.google.com (rv-out-0910.google.com [209.85.198.186]) by mx1.freebsd.org (Postfix) with ESMTP id E1BC78FC29 for ; Thu, 13 Mar 2008 09:55:58 +0000 (UTC) (envelope-from ivoras@gmail.com) Received: by rv-out-0910.google.com with SMTP id g13so2247015rvb.43 for ; Thu, 13 Mar 2008 02:55:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; bh=iaslSQ+3/fbmW9ca9NJ4Q237z9kSpJuS5kmfn4LX2OA=; b=IFROE3248+/sAmHmOnNi0rJMvi/yTU94OLxK8R918/m+YhU9vbTE46GhS1N9+admeKGon5EJR8Nzg/Ne4BxHQpwhAclIwXyQCZhq55cDgOVbozUDP7F07+1SHT45Z0tnkO12lQCVCq6vfAmwVd57xcB097hl7soQbS4v0S0Tb+o= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=WYnbDWFnvc4UzvNHuC8K+txomXh5rcp2wE/931vbfzsKkYFj3exd1fQ9OBnKE2Q0ByEpQnJ2YJQbo9AzBqiYviOAk2gK0002VaqtjiKZN6HwMF2v68yunzGbX4/BJN/uwOljHrAejZTk7uB0/GjcWgQGmFkvQf2AtYcQxGEfFt4= Received: by 10.141.75.6 with SMTP id c6mr5048007rvl.286.1205402157473; Thu, 13 Mar 2008 02:55:57 -0700 (PDT) Received: by 10.141.212.1 with HTTP; Thu, 13 Mar 2008 02:55:57 -0700 (PDT) Message-ID: <9bbcef730803130255p68d35240pfc627fe5acd5b659@mail.gmail.com> Date: Thu, 13 Mar 2008 10:55:57 +0100 From: "Ivan Voras" Sender: ivoras@gmail.com To: "Jeff Roberson" In-Reply-To: <20080312145307.P1091@desktop> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <571396.91912.qm@web50512.mail.re2.yahoo.com> <47D71F6F.2090600@paradise.net.nz> <47D7512F.5020006@paradise.net.nz> <9bbcef730803120255w531636d5h642e407aa1881b6a@mail.gmail.com> <20080312145307.P1091@desktop> X-Google-Sender-Auth: 5ca2d906fff21930 Cc: freebsd-performance@freebsd.org Subject: Re: pgbench results X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Mar 2008 09:55:59 -0000 On 13/03/2008, Jeff Roberson wrote: > > On Wed, 12 Mar 2008, Ivan Voras wrote: > > > On 12/03/2008, Mark Kirkwood wrote: > > > >> Hmm - somehow read right past the bit where you say you have a 512MB > >> cache - sorry! However, worth checking it is set to write-back rather > >> than write-through. > > > > As far as I can see it is set to write-through (though the HP's array > > configuration utility isn't explicit about it, everything > > performance-wise than can be turned on is turned on, including write > > cache). > > What kernel are you running? 7-STABLE since Feb 29, amd64+ULE.