X-Original-To: pgsql-admin-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 604CBD1B233 for ; Thu, 22 Jul 2004 00:42:40 -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 92809-09 for ; Thu, 22 Jul 2004 03:42:27 +0000 (GMT) Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by svr1.postgresql.org (Postfix) with ESMTP id EB61CD1B1F8 for ; Thu, 22 Jul 2004 00:42:22 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.12.11/8.12.11) with ESMTP id i6M3gM00002655; Wed, 21 Jul 2004 23:42:22 -0400 (EDT) To: Bruce Momjian Cc: Mark Kirkwood , Simon Riggs , pgsql-admin@postgresql.org Subject: Re: [HACKERS] Point in Time Recovery In-reply-to: <200407220336.i6M3a5l18707@candle.pha.pa.us> References: <200407220336.i6M3a5l18707@candle.pha.pa.us> Comments: In-reply-to Bruce Momjian message dated "Wed, 21 Jul 2004 23:36:05 -0400" Date: Wed, 21 Jul 2004 23:42:22 -0400 Message-ID: <2654.1090467742@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.0 tagged_above=0.0 required=5.0 tests= X-Spam-Level: X-Archive-Number: 200407/245 X-Sequence-Number: 14313 Bruce Momjian writes: > Agreed, it might not be possible, but your report does point out a > limitation in our implementation --- that a shutdown database contains > more information than a backup and the archive logs. That is not > intuitive. That's only because you are clinging to the broken assumption that pg_xlog/ is part of the database, rather than part of the logs. Separate that out as a distinct entity, and all gets better. regards, tom lane