Received: from maia.hub.org (maia-3.hub.org [200.46.204.243]) by mail.postgresql.org (Postfix) with ESMTP id C9CCE1337B68 for ; Thu, 16 Dec 2010 16:28:50 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.243]) (amavisd-maia, port 10024) with ESMTP id 94047-05 for ; Thu, 16 Dec 2010 20:28:43 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from cdptpa-omtalb.mail.rr.com (cdptpa-omtalb.mail.rr.com [75.180.132.123]) by mail.postgresql.org (Postfix) with ESMTP id 5940F133655C for ; Thu, 16 Dec 2010 16:28:43 -0400 (AST) X-Authority-Analysis: v=1.1 cv=uESSSoDEku2quKX/oFXS2Smn5+55LTFcWFr5T5T8nFs= c=1 sm=0 a=8Z7Ux9fL1ZMA:10 a=8nJEP1OIZ-IA:10 a=qCTYjJJ2g1SgQhsHZAUATw==:17 a=GZlLXji_8joJ_u_hhY4A:9 a=qU52qoeKkh9HK016_wW3YFLhtpwA:4 a=wPNLvfGTeEIA:10 a=qCTYjJJ2g1SgQhsHZAUATw==:117 X-Cloudmark-Score: 0 X-Originating-IP: 98.27.48.207 Received: from [98.27.48.207] ([98.27.48.207:58343] helo=[192.168.10.104]) by cdptpa-oedge01.mail.rr.com (envelope-from ) (ecelerity 2.2.3.46 r()) with ESMTP id 9C/4B-07087-8767A0D4; Thu, 16 Dec 2010 20:28:42 +0000 Message-ID: <4D0A7678.8040609@dunslane.net> Date: Thu, 16 Dec 2010 15:28:40 -0500 From: Andrew Dunstan User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.12) Gecko/20101027 Fedora/3.1.6-1.fc13 Lightning/1.0b3pre Thunderbird/3.1.6 MIME-Version: 1.0 To: Robert Haas CC: Tom Lane , Heikki Linnakangas , Joachim Wieland , Greg Smith , =?ISO-8859-1?Q?Jos=E9_Arthur_Benetasso_Villanova?= , pgsql-hackers@postgresql.org Subject: Re: directory archive format for pg_dump References: <4CEA9F29.5060106@enterprisedb.com> <28890.1290445623@sss.pgh.pa.us> <4CEAD61A.6060207@enterprisedb.com> <4CF40B5F.1010407@enterprisedb.com> <4CF655A3.4090308@enterprisedb.com> <4CF6562E.60506@enterprisedb.com> <4CF74F99.4050008@enterprisedb.com> <4CF7F8FB.1040305@enterprisedb.com> <4D09E624.4030706@2ndquadrant.com> <4D0A2EFF.9020104@enterprisedb.com> <4D0A50D6.5070602@enterprisedb.com> <4D0A5E56.1080109@enterprisedb.com> <8305.1292527742@sss.pgh.pa.us> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.9 tagged_above=-5 required=5 tests=BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001 X-Spam-Level: X-Archive-Number: 201012/1480 X-Sequence-Number: 176742 On 12/16/2010 03:13 PM, Robert Haas wrote: > So how bad would it be if we committed this new format without support > for splitting large relations into multiple files, or with some stub > support that never actually gets used, and fixed this later? Because > this is starting to sound like a bigger project than I think we ought > to be requiring for this patch. I don't think we have to have that in the first go at all. Parallel dump could be extremely useful without it. I haven't looked closely, but I assume there will still be an archive version recorded somewhere. When we change the archive format, bump the version number. cheers andrew