Received: from maia.hub.org (maia-5.hub.org [200.46.204.29]) by mail.postgresql.org (Postfix) with ESMTP id 187C11337B97 for ; Wed, 3 Nov 2010 13:35:42 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.29]) (amavisd-maia, port 10024) with ESMTP id 51660-02 for ; Wed, 3 Nov 2010 16:35:35 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from lpo-relay-05.vmsinfo.com (lpo-relay-05.vmsinfo.com [216.169.137.116]) by mail.postgresql.org (Postfix) with ESMTP id 9DB431335B36 for ; Wed, 3 Nov 2010 13:35:34 -0300 (ADT) X-IronPort-AV: E=Sophos;i="4.58,289,1286164800"; d="scan'208";a="29911466" Received: from unknown (HELO lpo-mailbox-01.vmsinfo.com) ([216.169.137.252]) by lpo-relay-05.vmsinfo.com with ESMTP; 03 Nov 2010 12:35:34 -0400 Received: from [10.101.43.35] (unknown [216.169.135.235]) by lpo-mailbox-01.vmsinfo.com (Postfix) with ESMTP id 0325D7D00B for ; Wed, 3 Nov 2010 12:35:33 -0400 (EDT) Message-ID: <4CD18F55.6070100@vmsinfo.com> Date: Wed, 03 Nov 2010 12:35:33 -0400 From: Mladen Gogala Organization: VMS User-Agent: Thunderbird 2.0.0.24 (X11/20101027) MIME-Version: 1.0 To: "pgsql-performance@postgresql.org" Subject: Bufer cache replacement LRU algorithm? Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-0.011 tagged_above=-10 required=5 tests=BAYES_20=-0.001, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201011/26 X-Sequence-Number: 41050 Where can I find the documentation describing the buffer replacement policy? Are there any parameters governing the page replacement policy? -- Mladen Gogala Sr. Oracle DBA 1500 Broadway New York, NY 10036 (212) 329-5251 http://www.vmsinfo.com The Leader in Integrated Media Intelligence Solutions