Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1Xnu13-0000Rq-Gt for pgsql-performance@arkaria.postgresql.org; Mon, 10 Nov 2014 18:48:41 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1Xnu12-0002zb-RX for pgsql-performance@arkaria.postgresql.org; Mon, 10 Nov 2014 18:48:40 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1Xnu11-0002xd-9n for pgsql-performance@postgresql.org; Mon, 10 Nov 2014 18:48:39 +0000 Received: from 01.zmailcloud.com ([192.198.85.104] helo=mx-out-1.zmailcloud.com) by magus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1Xnu0s-0002nV-JX for pgsql-performance@postgresql.org; Mon, 10 Nov 2014 18:48:38 +0000 Received: from smtp.01.com (smtp.01.com [10.10.0.43]) by mx-out-1.zmailcloud.com (Postfix) with ESMTP id BA464564BD2; Mon, 10 Nov 2014 12:48:28 -0600 (CST) Received: from localhost (localhost [127.0.0.1]) by smtp-out-2.01.com (Postfix) with ESMTP id ACF9F603B1; Mon, 10 Nov 2014 12:48:28 -0600 (CST) X-Virus-Scanned: amavisd-new at smtp-out-2.01.com Received: from smtp.01.com ([127.0.0.1]) by localhost (smtp-out-2.01.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VLfhKou1VqPi; Mon, 10 Nov 2014 12:48:28 -0600 (CST) Received: from smtp.01.com (localhost [127.0.0.1]) by smtp-out-2.01.com (Postfix) with ESMTP id 857FF603B4; Mon, 10 Nov 2014 12:48:28 -0600 (CST) Received: from localhost (localhost [127.0.0.1]) by smtp-out-2.01.com (Postfix) with ESMTP id 6627E603B2; Mon, 10 Nov 2014 12:48:28 -0600 (CST) X-Virus-Scanned: amavisd-new at smtp-out-2.01.com Received: from smtp.01.com ([127.0.0.1]) by localhost (smtp-out-2.01.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 3aB8xzVw6eN9; Mon, 10 Nov 2014 12:48:28 -0600 (CST) Received: from [192.168.47.100] (50-0-164-241.dsl.dynamic.fusionbroadband.com [50.0.164.241]) by smtp-out-2.01.com (Postfix) with ESMTPSA id 9EA4A603B1; Mon, 10 Nov 2014 12:48:26 -0600 (CST) Message-ID: <54610878.3060203@agliodbs.com> Date: Mon, 10 Nov 2014 10:48:24 -0800 From: Josh Berkus Organization: PostgreSQL Experts Inc. User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Tom Lane CC: Kevin Grittner , Andres Freund , Andrew Dunstan , Jeff Janes , Amit Kapila , "pgsql-performance@postgresql.org" Subject: Re: Performance bug in prepared statement binding in 9.2? References: <20130910122036.GF1024477@alap2.anarazel.de> <522F146D.2070908@dunslane.net> <5230B801.90507@agliodbs.com> <20130911211253.GF1138556@alap2.anarazel.de> <523120E9.6020300@agliodbs.com> <24236.1383940000@sss.pgh.pa.us> <1384014645.82057.YahooMailNeo@web162903.mail.bf1.yahoo.com> <19685.1384307200@sss.pgh.pa.us> <5283D433.3040406@agliodbs.com> <27642.1388512538@sss.pgh.pa.us> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Pg-Spam-Score: -1.9 (-) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-performance Precedence: bulk Sender: pgsql-performance-owner@postgresql.org On 12/31/2013 09:55 AM, Tom Lane wrote: > Josh Berkus writes: >> Tom, >>> There's an abbreviated version of this argument in the comments in >>> my proposed patch at >>> http://www.postgresql.org/message-id/11927.1384199294@sss.pgh.pa.us >>> What I'm hoping will happen next is that the complainants will hot-patch >>> that and see if it fixes their problems. We can't really determine >>> what to do without that information. > >> Unfortunately, the original reporter of this issue will not be available >> for testing for 2-3 weeks, and I haven't been able to devise a synthetic >> test which clearly shows the issue. > > Ping? I've been waiting on committing that patch pending some real-world > testing. It'd be nice to resolve this question before we ship 9.3.3, > which I'm supposing will be sometime in January ... Did this patch every make it in? Or did it hang waiting for verification? -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance