Received: from maia.hub.org (maia-3.hub.org [200.46.204.243]) by mail.postgresql.org (Postfix) with ESMTP id AE9E86321E3 for ; Thu, 24 Jun 2010 06:04:44 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.243]) (amavisd-maia, port 10024) with ESMTP id 51104-07-2; Thu, 24 Jun 2010 09:04:36 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from exprod7og104.obsmtp.com (exprod7og104.obsmtp.com [64.18.2.161]) by mail.postgresql.org (Postfix) with SMTP id 929BF632712; Thu, 24 Jun 2010 06:04:36 -0300 (ADT) Received: from source ([74.125.82.177]) by exprod7ob104.postini.com ([64.18.6.12]) with SMTP ID DSNKTCMfouR7twp9FA7KrZB0maSmlu47HPOp@postini.com; Thu, 24 Jun 2010 02:04:36 PDT Received: by wyb36 with SMTP id 36so1831129wyb.36 for ; Thu, 24 Jun 2010 02:04:33 -0700 (PDT) Received: by 10.227.142.200 with SMTP id r8mr8725329wbu.72.1277370273574; Thu, 24 Jun 2010 02:04:33 -0700 (PDT) Received: from [192.168.1.117] (dsl-hkibrasgw2-ff7ac300-240.dhcp.inet.fi [88.195.122.240]) by mx.google.com with ESMTPS id y31sm51359973wby.22.2010.06.24.02.04.31 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 24 Jun 2010 02:04:32 -0700 (PDT) Message-ID: <4C231F9E.6000102@enterprisedb.com> Date: Thu, 24 Jun 2010 12:04:30 +0300 From: Heikki Linnakangas Organization: EnterpriseDB User-Agent: Mozilla/5.0 (X11; U; Linux i686; fi-FI; rv:1.9.1.9) Gecko/20100515 Iceowl/1.0b1 Icedove/3.0.4 MIME-Version: 1.0 To: =?ISO-8859-1?Q?B=F6sz=F6rm=E9nyi_Zolt=E1n?= CC: Bruce Momjian , Michael Meskes , PG Hackers , Hans-Juergen Schoenig Subject: Re: ECPG FETCH readahead References: <201006232042.o5NKgb503695@momjian.us> <4C2308FD.1090300@cybertec.at> In-Reply-To: <4C2308FD.1090300@cybertec.at> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-4.2 tagged_above=-5 required=5 tests=BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3 X-Spam-Level: X-Archive-Number: 201006/1274 X-Sequence-Number: 164904 On 24/06/10 10:27, Böszörményi Zoltán wrote: > And this readahead is not on by default, it's only activated > by "ecpg -r fetch_readahead". Is there a reason not to enable it by default? I'm a bit worried that it will receive no testing if it's not always on. -- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com