X-Original-To: pgsql-hackers-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 7759AD93BB for ; Thu, 29 Sep 2005 15:24:10 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 11245-08 for ; Thu, 29 Sep 2005 18:24:07 +0000 (GMT) Received: from davinci.ethosmedia.com (server227.ethosmedia.com [209.128.84.227]) by svr1.postgresql.org (Postfix) with ESMTP id 85C25D939F for ; Thu, 29 Sep 2005 15:24:06 -0300 (ADT) X-EthosMedia-Virus-Scanned: no infections found Received: from [64.81.245.111] (account josh@agliodbs.com HELO temoku.sf.agliodbs.com) by davinci.ethosmedia.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 8174074; Thu, 29 Sep 2005 11:26:32 -0700 From: Josh Berkus Reply-To: josh@agliodbs.com Organization: Aglio Database Solutions To: pgsql-hackers@postgresql.org Subject: Re: [PERFORM] A Better External Sort? Date: Thu, 29 Sep 2005 11:27:56 -0700 User-Agent: KMail/1.8 Cc: "Jeffrey W. Baker" References: <200509291103.27344.josh@agliodbs.com> <1128017741.11474.13.camel@noodles> In-Reply-To: <1128017741.11474.13.camel@noodles> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200509291127.56531.josh@agliodbs.com> X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.047 required=5 tests=[AWL=-0.003, FORGED_RCVD_HELO=0.05] X-Spam-Level: X-Archive-Number: 200509/1384 X-Sequence-Number: 73781 Jeff, > I would just run it under the profiler and see how many times > beginmerge() is called. Hmm, I'm not seeing it at all in the oprofile results on a 100million-row sort. -- --Josh Josh Berkus Aglio Database Solutions San Francisco