X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.2]) by svr1.postgresql.org (Postfix) with ESMTP id 74A74D1B1B2 for ; Wed, 26 May 2004 13:18:41 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (neptune.hub.org [200.46.204.2]) (amavisd-new, port 10024) with ESMTP id 42109-05 for ; Wed, 26 May 2004 13:18:21 -0300 (ADT) Received: from davinci.ethosmedia.com (server228.ethosmedia.com [209.128.84.228]) by svr1.postgresql.org (Postfix) with ESMTP id 228B6D1B193 for ; Wed, 26 May 2004 13:18:20 -0300 (ADT) Received: from [63.195.55.98] (HELO spooky) by davinci.ethosmedia.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 5203961; Wed, 26 May 2004 09:19:53 -0700 Content-Type: text/plain; charset="iso-8859-1" From: Josh Berkus Organization: Aglio Database Solutions To: Vitaly Belman Subject: Re: PostgreSQL caching Date: Wed, 26 May 2004 09:17:35 -0700 User-Agent: KMail/1.4.3 Cc: pgsql-performance@postgresql.org References: <20792805375.20040521203337@012.net.il> <40B3C792.3020106@outputservices.com> <1673440625.20040526173356@012.net.il> In-Reply-To: <1673440625.20040526173356@012.net.il> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: <200405260917.35537.josh@agliodbs.com> X-Virus-Scanned: by amavisd-new at postgresql.org X-Spam-Status: No, hits=0.0 tagged_above=0.0 required=5.0 tests= X-Spam-Level: X-Archive-Number: 200405/213 X-Sequence-Number: 7044 Vitaly, > I am using the newer 7.5dev native Windows port. For this reason I > don't think that IN will cause any trouble (I read that this issue was > resolved in 7.4). Well, for performance, all bets are off for the dev Windows port. Last I checked, the Win32 team was still working on *stability* and hadn't yet even looked at performance. Not that you can't improve the query, just that it might not fix the problem. Therefore ... your detailed feedback is appreciated, especially if you can compare stuff to the same database running on a Linux, Unix, or BSD machine. -- Josh Berkus Aglio Database Solutions San Francisco