Received: from davinci.ethosmedia.com (davinci.ethosmedia.com [209.10.40.250]) by postgresql.org (Postfix) with ESMTP id CA4404758DB for ; Fri, 12 Jul 2002 11:56:29 -0400 (EDT) Received: from [63.195.55.98] (account ) by davinci.ethosmedia.com (CommuniGate Pro WebUser 3.5.9) with HTTP id 1574707; Fri, 12 Jul 2002 08:56:33 -0700 From: "Josh Berkus" Subject: Re: config postgresql.conf?? To: Jie Liang Cc: X-Mailer: CommuniGate Pro Web Mailer v.3.5.9 Date: Fri, 12 Jul 2002 08:56:33 -0700 Message-ID: In-Reply-To: <7C760DAA511DC74B99E7D22189F786F101BF211E@MAIL01.stbernard.com> MIME-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 8bit X-Archive-Number: 200207/192 X-Sequence-Number: 8571 Jie, > What parameter I should change in order to make postmaster taking CPU > as > much as > possible? > Maybe I should ask: how can I make big tables equijoin faster? > I have a serveral tables that contain more 2.5 million records, I > need to > equijoin > those tables often. There are several good articles on PostgreSQL performance tuning up at http://techdocs.postgresql.org/ check 'em out. -Josh