Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id 5BF836500A0 for ; Thu, 21 Aug 2008 18:13:41 -0300 (ADT) Received: from postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 26280-03 for ; Thu, 21 Aug 2008 18:13:35 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from skynet.simkin.ca (skynet.simkin.ca [72.51.27.117]) by postgresql.org (Postfix) with ESMTP id 511B5650088 for ; Thu, 21 Aug 2008 18:13:38 -0300 (ADT) Received: from charon.medialogik.com (charon.medialogik.com [72.51.27.114]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by skynet.simkin.ca (Postfix) with ESMTP id 3C4CB4A46 for ; Thu, 21 Aug 2008 14:13:35 -0700 (PDT) From: Alan Hodgson Organization: Simkin Network Consulting To: pgsql-performance@postgresql.org Subject: Re: The state of PG replication in 2008/Q2? Date: Thu, 21 Aug 2008 14:13:33 -0700 User-Agent: KMail/1.9.9 References: <48ADABAF.8030602@drivefaster.net> In-Reply-To: <48ADABAF.8030602@drivefaster.net> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200808211413.33968@hal.medialogik.com> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=1.899 tagged_above=0 required=5 tests=FS_REPLICA=1.179, SARE_SPEC_REPLICA=0.72 X-Spam-Level: * X-Archive-Number: 200808/262 X-Sequence-Number: 31143 On Thursday 21 August 2008, Dan Harris wrote: > Especially since we make frequent use of sequences in our databases. If > MM is too difficult, I'm willing to accept a hot-standby read-only > system that will handle queries until we can fix whatever ails the > master. A heartbeat+DRBD solution might make more sense than database-level replication to achieve this. -- Alan