Received: from localhost (unknown [200.46.204.183]) by mail.postgresql.org (Postfix) with ESMTP id 2534065024B for ; Mon, 15 Dec 2008 23:13:32 -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 17646-09 for ; Mon, 15 Dec 2008 23:13:29 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from momjian.us (momjian.us [70.90.9.53]) by mail.postgresql.org (Postfix) with ESMTP id 86C0B6501FF for ; Mon, 15 Dec 2008 23:13:29 -0400 (AST) Received: (from bruce@localhost) by momjian.us (8.11.6/8.11.6) id mBG3DLH09968; Mon, 15 Dec 2008 22:13:21 -0500 (EST) From: Bruce Momjian Message-Id: <200812160313.mBG3DLH09968@momjian.us> Subject: Re: [ADMIN] shared_buffers and shmmax In-Reply-To: <14937.1229387738@sss.pgh.pa.us> To: Tom Lane Date: Mon, 15 Dec 2008 22:13:21 -0500 (EST) CC: Alvaro Herrera , valiouk@yahoo.co.uk, pgsql-docs@postgresql.org, dx k9 X-Mailer: ELM [version 2.4ME+ PL124 (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="US-ASCII" 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: 200812/11 X-Sequence-Number: 5018 Tom Lane wrote: > 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. OK, I never got the change applied because of Alvaro's objection so there is nothing to revert. Alvaro said he has an idea for improved wording; I do not. -- Bruce Momjian http://momjian.us EnterpriseDB http://enterprisedb.com + If your life is a hard drive, Christ can be your backup. +