Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id 0379B2E02BB for ; Wed, 28 Nov 2007 10:04:27 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 82967-01 for ; Wed, 28 Nov 2007 10:04:24 -0400 (AST) Received: from mail.ecircle.de (mail.ecircle.de [195.140.186.200]) by postgresql.org (Postfix) with ESMTP id 1F4872E02A3 for ; Wed, 28 Nov 2007 10:04:24 -0400 (AST) Received: from einstein.muc.ecircle.de (einstein.muc.ecircle.de [192.168.1.7]) by mail.ecircle.de (READY) with ESMTP id 926BF11C1A9; Wed, 28 Nov 2007 15:04:22 +0100 (CET) Received: from [192.168.1.91] ([192.168.1.91]) by einstein.muc.ecircle.de with Microsoft SMTPSVC(6.0.3790.1830); Wed, 28 Nov 2007 15:03:44 +0100 Subject: Re: TB-sized databases From: Csaba Nagy To: Bill Moran Cc: pgsql-performance@postgresql.org In-Reply-To: <20071128085441.51705627.wmoran@collaborativefusion.com> References: <4544e0330711260904g45d893a8ub1731e245aa8fc84@mail.gmail.com> <474B1407.3090607@laotraesquina.com.ar> <474B1B8C.1030505@gmail.com> <4544e0330711271218h56ce4cc3p280a9fefff24583d@mail.gmail.com> <1196197045.4246.1154.camel@ebony.site> <474CA2FA.2020201@laotraesquina.com.ar> <20071128082716.91bbad9c.wmoran@collaborativefusion.com> <1196257702.31315.6.camel@PCD12478> <20071128085441.51705627.wmoran@collaborativefusion.com> Content-Type: text/plain Date: Wed, 28 Nov 2007 15:03:44 +0100 Message-Id: <1196258624.31315.9.camel@PCD12478> Mime-Version: 1.0 X-Mailer: Evolution 2.10.1 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 28 Nov 2007 14:03:44.0568 (UTC) FILETIME=[7D034B80:01C831C7] X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200711/346 X-Sequence-Number: 27761 On Wed, 2007-11-28 at 08:54 -0500, Bill Moran wrote: > > Nothing wrong with enable_seqscan = off except it is all or nothing type > > of thing... > > If that's true, then I have a bug report to file: [snip] > It looks to me to be session-alterable. I didn't mean that it can't be set per session, I meant that it is not fine grained enough to select the affected table but it affects _all_ tables in a query... and big tables are rarely alone in a query. Cheers, Csaba.