Received: from localhost (maia-1.hub.org [200.46.204.191]) by postgresql.org (Postfix) with ESMTP id 23A959FB8B5 for ; Mon, 4 Jun 2007 17:18:46 -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 47798-01 for ; Mon, 4 Jun 2007 17:18:41 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from h07.llord.com (unknown [195.140.142.194]) by postgresql.org (Postfix) with ESMTP id 7D5759FB361 for ; Mon, 4 Jun 2007 17:18:41 -0300 (ADT) Received: from par69-8-88-161-102-87.fbx.proxad.net ([88.161.102.87] helo=apollo13) by h07.llord.com with esmtpa (Exim 4.66) (envelope-from ) id 1HvJ0F-0004eD-Vm; Mon, 04 Jun 2007 22:18:12 +0200 Date: Mon, 04 Jun 2007 22:21:18 +0200 To: "Thomas Andrews" , "Gregory Stark" Subject: Re: Thousands of tables versus on table? From: PFC Cc: "Mark Lewis" , pgsql-performance@postgresql.org Content-Type: text/plain; format=flowed; delsp=yes; charset=utf-8 MIME-Version: 1.0 References: Content-Transfer-Encoding: 7bit Message-ID: In-Reply-To: User-Agent: Opera Mail/9.10 (Linux) X-PopBeforeSMTPSenders: junk@peufeu.com, lists@peufeu.com, peufeu@peufeu.com, pfcaillaud@peufeu.com X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - h07.llord.com X-AntiAbuse: Original Domain - postgresql.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - peufeu.com X-Source: X-Source-Args: X-Source-Dir: X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=2.446 tagged_above=0 required=5 tests=AWL=-0.330, BAYES_50=0.001, RCVD_IN_NJABL_SPAM=2.775 X-Spam-Level: ** X-Archive-Number: 200706/45 X-Sequence-Number: 25078 > can tell you our vacuum every night is taking 2 hours and that disk IO is > the real killer - the CPU rarely gets higher than 20% or so. How many gigabytes of stuff do you have in this database ? ( du -sh on the *right* directory will suffice, don't include the logs etc, aim for data/base/oid)