Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id 72904B5DBE0 for ; Mon, 23 May 2011 14:30:42 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.251]) (amavisd-maia, port 10024) with ESMTP id 14424-09 for ; Mon, 23 May 2011 17:30:34 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.17.9]) by mail.postgresql.org (Postfix) with ESMTP id 06FC9B5D90E for ; Mon, 23 May 2011 14:30:34 -0300 (ADT) Received: from [192.168.1.3] (mail.highperformancepostgresql.com [71.179.240.8]) by mrelayeu.kundenserver.de (node=mreu1) with ESMTP (Nemesis) id 0Lm8JB-1PpV7p2qBN-00Zhnf; Mon, 23 May 2011 19:30:33 +0200 Message-ID: <4DDA99B7.6050802@2ndquadrant.com> Date: Mon, 23 May 2011 13:30:31 -0400 From: Greg Smith User-Agent: Thunderbird 2.0.0.24 (X11/20100317) MIME-Version: 1.0 To: jtkells@verizon.net CC: pgsql-admin@postgresql.org Subject: Re: WAL and Checkpoints documentation References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Provags-ID: V02:K0:5JJ9aPouOBPZtmY9ee15ZNShfrhTYAUOpD/OUHe4BXF khMpwx49cFZZ53p5++DnhxLot4FTtgYFPVztJoAhLHG92GwGBb q1fZw8rZOCZvWRj++UdC8fmsZu32ERwsJz7CrlGxmuLEzQwMDq 7jgbqGt9ObWa3XiJgaHns3M54EAM1zcRz7nDrKyjAfKsyh4C2f L3W7O2c6Rt9TNZRLN4F9vpuMppQ3R2piXz+tGAxsD0= X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.9 tagged_above=-10 required=5 tests=BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001 X-Spam-Level: X-Archive-Number: 201105/157 X-Sequence-Number: 37594 jtkells@verizon.net wrote: > Does anyone know of any good presentations/whitepapers that spell out WAL and check-pointing > functionality other than the ADMIN guide http://www.westnet.com/~gsmith/content/postgresql/chkp-bgw-83.htm is the main free reference that tries to step outside of the documentation into real-world tuning advice. There are a few of my talks at http://projects.2ndquadrant.it/talks that mention material around this area too; "Inside the PostgreSQL Buffer Cache" and "The Write Stuff" both overlap with checkpoint issues quite a bit. Beyond that, my book is the main extended commentary discussing this area available. -- Greg Smith 2ndQuadrant US greg@2ndQuadrant.com Baltimore, MD PostgreSQL Training, Services, and 24x7 Support www.2ndQuadrant.us "PostgreSQL 9.0 High Performance": http://www.2ndQuadrant.com/books