Received: from localhost (maia-1.hub.org [200.46.204.191]) by postgresql.org (Postfix) with ESMTP id E53AC9FB39F for ; Mon, 27 Aug 2007 18:56:47 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.191]) (amavisd-maia, port 10024) with ESMTP id 16630-07 for ; Mon, 27 Aug 2007 18:56:45 -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 F0AFA9F9575 for ; Mon, 27 Aug 2007 18:56:44 -0300 (ADT) Received: from Courts-MTA by gwmta.wicourts.gov with Novell_GroupWise; Mon, 27 Aug 2007 16:56:43 -0500 Message-Id: <46D30240.EE98.0025.0@wicourts.gov> X-Mailer: Novell GroupWise Internet Agent 7.0.2 Date: Mon, 27 Aug 2007 16:56:33 -0500 From: "Kevin Grittner" To: "Bill Moran" , "Decibel!" Cc: "Kevin Kempter" , "Pgsql performance" Subject: Re: significant vacuum issues - looking for suggestions References: <200708241357.23629.kevin@kevinkempterllc.com> <20070824164144.93ce05bf.wmoran@collaborativefusion.com> <20070827210041.GN54309@nasby.net> In-Reply-To: <20070827210041.GN54309@nasby.net> 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: 200708/328 X-Sequence-Number: 26458 >>> Decibel! 08/27/07 4:00 PM >>>=20 > > > They're running version 8.1.4 >=20 > As for your pg_dump idea... why not just do a CREATE TABLE AS SELECT * > FROM bloated_table? That would likely be much faster than messing around > with pg_dump. =20 He wanted to upgrade to 8.2.4. CREATE TABLE AS won't get him there. =20 > > > They're running version 8.1.4 on 4-way dell boxes=20 > > > with 4Gig of memory on each box attached to RAID-10 disk arrays.=20 >=20 > What kind of disk hardware is this running on? A good raid 10 array with > write caching should be able to handle a 200G database fairly well =20 What other details were you looking for? =20 -Kevin =20