Received: from localhost (maia-1.hub.org [200.46.204.191]) by postgresql.org (Postfix) with ESMTP id B1FE39FB7FA for ; Fri, 18 May 2007 16:37:56 -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 08151-05 for ; Fri, 18 May 2007 16:37:53 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by postgresql.org (Postfix) with ESMTP id 080C79FB84D for ; Fri, 18 May 2007 16:37:52 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.1/8.14.1) with ESMTP id l4IJbfVF001482; Fri, 18 May 2007 15:37:41 -0400 (EDT) To: Andrew Sullivan cc: pgsql-performance@postgresql.org Subject: Re: 121+ million record table perf problems In-reply-to: <20070518183018.GN10921@phlogiston.dyndns.org> References: <20070518183018.GN10921@phlogiston.dyndns.org> Comments: In-reply-to Andrew Sullivan message dated "Fri, 18 May 2007 14:30:18 -0400" Date: Fri, 18 May 2007 15:37:41 -0400 Message-ID: <1481.1179517061@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200705/342 X-Sequence-Number: 24732 Andrew Sullivan writes: > All of that said, 17 hours seems kinda long. I imagine he's done a bunch of those full-table UPDATEs without vacuuming, and now has approximately a gazillion dead tuples bloating the table. regards, tom lane