X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by postgresql.org (Postfix) with ESMTP id 89DFF11F6549 for ; Tue, 18 Apr 2006 12:20:32 -0300 (ADT) X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Score: 0.127 X-Spam-Level: X-Spam-Status: No, score=0.127 required=5 tests=[AWL=0.127] Received: from postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 9ynOVy1OVb0c for ; Tue, 18 Apr 2006 12:20:21 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey- Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by postgresql.org (Postfix) with ESMTP id 664F011F625D for ; Tue, 18 Apr 2006 12:20:21 -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 k3IFKK4r013459; Tue, 18 Apr 2006 11:20:20 -0400 (EDT) To: "Tarabas (Manuel Rorarius)" cc: pgsql-performance@postgresql.org Subject: Re: Problem with LIKE-Performance In-reply-to: <341367953.20060418163513@tarabas.de> References: <341367953.20060418163513@tarabas.de> Comments: In-reply-to "Tarabas (Manuel Rorarius)" message dated "Tue, 18 Apr 2006 16:35:13 +0200" Date: Tue, 18 Apr 2006 11:20:20 -0400 Message-ID: <13458.1145373620@sss.pgh.pa.us> From: Tom Lane X-Archive-Number: 200604/375 X-Sequence-Number: 18459 "Tarabas (Manuel Rorarius)" writes: > I get the following explain and I am troubled by the very high > "startup_cost" ... does anyone have any idea why that value is so > high? > {SEQSCAN > :startup_cost 100000000.00 You have enable_seqscan = off, no? Please refrain from posting EXPLAIN VERBOSE unless it's specifically requested ... regards, tom lane