Received: from localhost (unknown [200.46.204.183]) by mail.postgresql.org (Postfix) with ESMTP id D85C564FEE7 for ; Mon, 15 Dec 2008 20:35:47 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 88605-04 for ; Mon, 15 Dec 2008 20:35:45 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by mail.postgresql.org (Postfix) with ESMTP id C40BD64FEBF for ; Mon, 15 Dec 2008 20:35:44 -0400 (AST) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id mBG0ZcgM014938; Mon, 15 Dec 2008 19:35:38 -0500 (EST) To: Bruce Momjian cc: Alvaro Herrera , valiouk@yahoo.co.uk, pgsql-docs@postgresql.org, dx k9 Subject: Re: [ADMIN] shared_buffers and shmmax In-reply-to: <200812152346.mBFNk0W28273@momjian.us> References: <200812152346.mBFNk0W28273@momjian.us> Comments: In-reply-to Bruce Momjian message dated "Mon, 15 Dec 2008 18:46:00 -0500" Date: Mon, 15 Dec 2008 19:35:38 -0500 Message-ID: <14937.1229387738@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0 tagged_above=0 required=5 tests=none X-Spam-Level: X-Archive-Number: 200812/9 X-Sequence-Number: 5016 Bruce Momjian writes: > Alvaro Herrera wrote: >> I don't find it any clearer ... I think the missing clue is that if you >> specify shared_buffers values in MB, you must divide the value by block >> size. > Well, the heading says "object" now so I thought it would suggest we are > talking about objects and not bytes. I'm with Alvaro: neither of those changes were improvements. regards, tom lane