Received: from localhost (unknown [200.46.204.184]) by developer.postgresql.org (Postfix) with ESMTP id 176E62E0038 for ; Mon, 28 Apr 2008 13:19:29 -0300 (ADT) Received: from developer.postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.184]) (amavisd-maia, port 10024) with ESMTP id 84991-05 for ; Mon, 28 Apr 2008 13:19:16 -0300 (ADT) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.5 Received: from ug-out-1314.google.com (ug-out-1314.google.com [66.249.92.168]) by developer.postgresql.org (Postfix) with ESMTP id 817642E0033 for ; Mon, 28 Apr 2008 13:19:17 -0300 (ADT) Received: by ug-out-1314.google.com with SMTP id j3so752247ugf.49 for ; Mon, 28 Apr 2008 09:19:16 -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:user-agent:mime-version:to:subject:x-enigmail-version:content-type:content-transfer-encoding; bh=BWZeMkPkRGvb/42B20U6UEiPIxIN9fkaFVILZso/Jz0=; b=KOWxplqsIlA0aBpHxZoKSjJ8O319W3plclVITyrtBuMKP7g6u34OWbMntvg5ZgRjCMc8/zisNPjwpKV/u42K4jAAnshzTDT1IKoBWLCfm8u2SgeRiFNMnVdOT+GABNAXvW1glfwUklr9aEZXRomtw8O/s3RVCepPxzrd7EgEE8I= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:subject:x-enigmail-version:content-type:content-transfer-encoding; b=mDsVTEgqKFZYp418G3pl3jRYFGoFYTBehyqj0mB3ITyGsxxtW0bn1TPizjDy6Jg8806xzgHD0jnFL7ktC9v3Eth65KaMcyqy5qM4K/Lcp1iHp759VTAyJ6iGtXdP4TnesyXo4DT9YvHBTn6DjgE4NFQzqiEk7R6R3cv67VNCwS0= Received: by 10.67.116.2 with SMTP id t2mr5044411ugm.52.1209399556243; Mon, 28 Apr 2008 09:19:16 -0700 (PDT) Received: from ?192.168.21.117? ( [84.233.239.122]) by mx.google.com with ESMTPS id 34sm2258272ugh.40.2008.04.28.09.19.13 (version=TLSv1/SSLv3 cipher=RC4-MD5); Mon, 28 Apr 2008 09:19:15 -0700 (PDT) Message-ID: <4815F924.2080500@gmail.com> Date: Mon, 28 Apr 2008 18:19:48 +0200 From: Gaetano Mendola User-Agent: Thunderbird 2.0.0.12 (X11/20080227) MIME-Version: 1.0 To: "pgsql-performance@postgresql.org" , adrian@careerjunction.co.za, drbd-user@lists.linbit.com Subject: shared_buffer/DRBD performances X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.001 tagged_above=0 required=5 tests=HS_INDEX_PARAM=0.001 X-Spam-Level: X-Archive-Number: 200804/398 X-Sequence-Number: 29891 I have complete the benchmarks I have made with Postgres and I have talk about some weeks ago on postgres performance mailing list (see post shared_buffers). On the follow link you can find a doc that contains the graphs generated. http://www.mediafire.com/?lk4woomsxlc Regards Gaetano Mendola