Received: from maia.hub.org (unknown [200.46.204.183]) by mail.postgresql.org (Postfix) with ESMTP id 78E2F64059F for ; Tue, 2 Feb 2010 16:30:55 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 31530-04-7 for ; Tue, 2 Feb 2010 20:30:44 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by mail.postgresql.org (Postfix) with ESMTP id DB7B765A290 for ; Tue, 2 Feb 2010 15:58:42 -0400 (AST) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id o12JweBd029538; Tue, 2 Feb 2010 14:58:40 -0500 (EST) To: Richard Broersma cc: wyx6fox@sina.com, pgsql-performance@postgresql.org Subject: Re: =?UTF-8?Q?Re=3A_=E5=9B=9E=E5=A4=8D=EF=BC=9ARe=3A_=5BPERFORM=5D_the_jokes_for_pg_concurre?= =?UTF-8?Q?ncy_write_performance?= In-reply-to: <396486431002020743x739a5f80od11dbb83c6e1c399@mail.gmail.com> References: <20100202071154.241D94B1C71@mail175-236.sinamail.sina.com.cn> <396486431002020743x739a5f80od11dbb83c6e1c399@mail.gmail.com> Comments: In-reply-to Richard Broersma message dated "Tue, 02 Feb 2010 07:43:52 -0800" Date: Tue, 02 Feb 2010 14:58:40 -0500 Message-ID: <29537.1265140720@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-2.599 tagged_above=-10 required=5 tests=BAYES_00=-2.599 X-Spam-Level: X-Archive-Number: 201002/30 X-Sequence-Number: 37451 Richard Broersma writes: > 2010/2/1 : >> yet, this code is just for fun , why ? because i found this code in one >> article:PostgreSQL Concurrency Issues . > I'm not familiar with the "code" that you are referring to. Do you > have a hyper-link to it? >> Tom Lane >> Red Hat Database Group >> Red Hat, Inc. > Also, I'm not sure why you mentioned Tom's name here. Does he have > anything to do with the "code" that you've previously mentioned? Hmmm ... I gave a talk by that name at OSCON. In 2002. regards, tom lane