Received: from makus.postgresql.org (makus.postgresql.org [98.129.198.125]) by mail.postgresql.org (Postfix) with ESMTP id 2E08539B90D for ; Sun, 1 Apr 2012 20:55:10 -0300 (ADT) Received: from relay3-d.mail.gandi.net ([217.70.183.195]) by makus.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1SEUc0-0003JN-Kr for pgsql-performance@postgresql.org; Sun, 01 Apr 2012 23:55:09 +0000 X-Originating-IP: 217.70.178.137 Received: from mfilter8-d.gandi.net (mfilter8-d.gandi.net [217.70.178.137]) by relay3-d.mail.gandi.net (Postfix) with ESMTP id 93FC5A8068; Mon, 2 Apr 2012 01:54:44 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at mfilter8-d.gandi.net Received: from relay3-d.mail.gandi.net ([217.70.183.195]) by mfilter8-d.gandi.net (mfilter8-d.gandi.net [10.0.15.180]) (amavisd-new, port 10024) with ESMTP id spFmQfZOli+6; Mon, 2 Apr 2012 01:54:43 +0200 (CEST) X-Originating-IP: 98.27.54.176 Received: from [192.168.10.146] (cpe-098-027-054-176.nc.res.rr.com [98.27.54.176]) (Authenticated sender: adsend@dunslane.net) by relay3-d.mail.gandi.net (Postfix) with ESMTPSA id 54430A8070; Mon, 2 Apr 2012 01:54:40 +0200 (CEST) Message-ID: <4F78EABF.2050209@dunslane.net> Date: Sun, 01 Apr 2012 19:54:39 -0400 From: Andrew Dunstan User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120216 Thunderbird/10.0.1 MIME-Version: 1.0 To: Andy CC: Ofer Israeli , "pgsql-performance@postgresql.org" Subject: Re: TCP Overhead on Local Loopback References: <217DDBC2BB1E394CA9E7446337CBDEF20102DEDB4A58@il-ex01.ad.checkpoint.com> <1333317709.70394.YahooMailNeo@web111301.mail.gq1.yahoo.com> In-Reply-To: <1333317709.70394.YahooMailNeo@web111301.mail.gq1.yahoo.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Pg-Spam-Score: -1.9 (-) X-Archive-Number: 201204/4 X-Sequence-Number: 46650 On 04/01/2012 06:01 PM, Andy wrote: > You could try using Unix domain socket and see if the performance > improves. A relevant link: He said Windows. There are no Unix domain sockets on Windows. (And please don't top-post) cheers andrew