Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id EC78C650E81 for ; Mon, 30 Jun 2008 21:03:06 -0300 (ADT) Received: from postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 61676-03 for ; Mon, 30 Jun 2008 21:02:50 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from lists.commandprompt.com (host-159.commandprompt.net [207.173.203.159]) by postgresql.org (Postfix) with ESMTP id 657A1650DBC for ; Mon, 30 Jun 2008 21:02:54 -0300 (ADT) Received: from perhan.alvh.no-ip.org (200-126-116-204.bk8-dsl.surnet.cl [200.126.116.204]) (authenticated bits=0) by lists.commandprompt.com (8.13.8/8.13.8) with ESMTP id m61023Mj012306 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 30 Jun 2008 17:04:49 -0700 Received: by perhan.alvh.no-ip.org (Postfix, from userid 1000) id 87E4A47C7C; Mon, 30 Jun 2008 19:59:59 -0400 (CLT) Date: Mon, 30 Jun 2008 19:59:59 -0400 From: Alvaro Herrera To: Rafael Domiciano Cc: Tino Schwarze , pgsql-admin@postgresql.org Subject: Re: Configuring Shared Buffers Message-ID: <20080630235959.GG18252@alvh.no-ip.org> References: <3a0028490806301052y193a4aeayfcc6deafdeb1cdb2@mail.gmail.com> <20080630182830.GA5358@easy2.in-chemnitz.de> <3a0028490806301201m5e4c48d4qc51a880b8f80ecf5@mail.gmail.com> <20080630191710.GC5358@easy2.in-chemnitz.de> <3a0028490806301616v6882a40bi2b54dcf63b37e315@mail.gmail.com> <20080630231940.GE18252@alvh.no-ip.org> <3a0028490806301641y780fdf52o9d6c473a9fe91d88@mail.gmail.com> <20080630234536.GF18252@alvh.no-ip.org> <3a0028490806301651l6f3f58a3y5297ae59272b82f0@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <3a0028490806301651l6f3f58a3y5297ae59272b82f0@mail.gmail.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0 (lists.commandprompt.com [207.173.203.159]); Mon, 30 Jun 2008 17:04:50 -0700 (PDT) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200806/265 X-Sequence-Number: 29603 Rafael Domiciano escribió: > I have schedelus to run vacuum at the night, it starts at 01:00 AM Do you execute lots of updates or deletes on some tables? -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support