Received: from localhost (maia-2.hub.org [200.46.204.187]) by postgresql.org (Postfix) with ESMTP id 64CE49FB98F for ; Thu, 12 Apr 2007 23:40:21 -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 64311-07 for ; Thu, 12 Apr 2007 23:40:12 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.4 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by postgresql.org (Postfix) with ESMTP id BFE549FB97D for ; Thu, 12 Apr 2007 23:40:18 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.13.6/8.13.6) with ESMTP id l3D2eEDx011706; Thu, 12 Apr 2007 22:40:14 -0400 (EDT) To: Steve cc: Scott Marlowe , PostgreSQL Performance Subject: Re: Strangely Variable Query Performance In-reply-to: References: <57271CC2-BCB1-4ACA-A177-4FF64F1BC33F@brandeis.edu> <16E9A17C-ADFA-43B2-B7EA-5C7A4D7E96D1@event-s.net> <0914C05F-BA1B-4A6C-A1B1-52256BC851A4@event-s.net> <1176396964.13754.16.camel@state.g2switchworks.com> <1176414724.13754.23.camel@state.g2switchworks.com> <1176416077.13754.26.camel@state.g2switchworks.com> <9833.1176418809@sss.pgh.pa.us> <10117.1176420763@sss.pgh.pa.us> <10355.1176422445@sss.pgh.pa.us> <10503.1176423606@sss.pgh.pa.us> Comments: In-reply-to Steve message dated "Thu, 12 Apr 2007 20:34:18 -0400" Date: Thu, 12 Apr 2007 22:40:14 -0400 Message-ID: <11705.1176432014@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200704/285 X-Sequence-Number: 24162 Steve writes: > Okay -- I started leaving indexes on one by one. > ... > .... So does this mean I should experiment with dropping those indexes? No, I think this means there's a planner bug to fix. I haven't quite scoped out what it is yet, though. regards, tom lane