Received: from localhost (maia-2.hub.org [200.46.204.187]) by postgresql.org (Postfix) with ESMTP id 4B42D9F9CC8 for ; Fri, 24 Aug 2007 17:53:17 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.187]) (amavisd-maia, port 10024) with ESMTP id 28005-06 for ; Fri, 24 Aug 2007 17:52:27 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from gwmta.wicourts.gov (gwmta.wicourts.gov [165.219.244.99]) by postgresql.org (Postfix) with ESMTP id AB4059F9CA7 for ; Fri, 24 Aug 2007 17:52:30 -0300 (ADT) Received: from Courts-MTA by gwmta.wicourts.gov with Novell_GroupWise; Fri, 24 Aug 2007 15:52:28 -0500 Message-Id: <46CEFEB4.EE98.0025.0@wicourts.gov> X-Mailer: Novell GroupWise Internet Agent 7.0.2 Date: Fri, 24 Aug 2007 15:52:20 -0500 From: "Kevin Grittner" To: "Kevin Kempter" , "Pgsql performance" Subject: Re: significant vacuum issues - looking for suggestions References: <200708241357.23629.kevin@kevinkempterllc.com> In-Reply-To: <200708241357.23629.kevin@kevinkempterllc.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Content-Disposition: inline X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200708/295 X-Sequence-Number: 26425 >>> On Fri, Aug 24, 2007 at 2:57 PM, in message <200708241357.23629.kevin@kevinkempterllc.com>, Kevin Kempter wrote:=20 > c) setup WAL archiving on the 8.1.4 cluster >=20 > d) do a full dump of the 8.1.4 cluster and restore it to the new = 8.2.4=20 > cluster >=20 > e) stop the 8.2.4 cluster and bring it up in recovery mode, pointing = it=20 > to=20 > the directory where we're archiving the 8.1.4 cluster's WAL segments. You can't use these techniques for a major version upgrade. Use pg_dump piped to psql. That will also eliminate all bloat. =20 -Kevin =20