Received: from localhost (maia-4.hub.org [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id 5EB8B9FB60E for ; Fri, 13 Apr 2007 01:38:18 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 75383-01 for ; Fri, 13 Apr 2007 01:38:16 -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 EB0F89FB5B2 for ; Fri, 13 Apr 2007 01:38:15 -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 l3D4cBBC012737; Fri, 13 Apr 2007 00:38:11 -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> <12360.1176436194@sss.pgh.pa.us> Comments: In-reply-to Steve message dated "Thu, 12 Apr 2007 23:55:00 -0400" Date: Fri, 13 Apr 2007 00:38:11 -0400 Message-ID: <12736.1176439091@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200704/290 X-Sequence-Number: 24167 Steve writes: > On Thu, 12 Apr 2007, Tom Lane wrote: >> I'm still not having any luck reproducing the failure here. Grasping at >> straws again, I wonder if it's got something to do with the order in >> which the planner examines the indexes --- which is OID order. Could >> you send me the results of > Here you go: Nope, still doesn't fail for me. [ baffled and annoyed... ] There must be something about your situation that's relevant but we aren't recognizing it. Are you in a position to let me ssh into your machine and try to debug it? Or other options like sending me a dump of your database? I'm about out of steam for tonight, but let's talk about it off-list tomorrow. regards, tom lane