Received: from magus.postgresql.org (magus.postgresql.org [87.238.57.229]) by mail.postgresql.org (Postfix) with ESMTP id EB66513A5D7F for ; Thu, 2 Aug 2012 14:48:46 -0300 (ADT) Received: from smtp.01.com ([199.36.142.181]) by magus.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1SwzVs-0006L2-7y for pgsql-hackers@postgresql.org; Thu, 02 Aug 2012 17:48:46 +0000 Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp-out-2.01.com (Postfix) with ESMTP id 7899E4F6731 for ; Thu, 2 Aug 2012 12:48:30 -0500 (CDT) X-Virus-Scanned: amavisd-new at smtp-out-2.01.com Received: from smtp.01.com ([127.0.0.1]) by localhost (smtp-out-2.01.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9tMQewSnKywo for ; Thu, 2 Aug 2012 12:48:30 -0500 (CDT) Received: from smtp.01.com (localhost.localdomain [127.0.0.1]) by smtp-out-2.01.com (Postfix) with ESMTP id 5080E4F67BC for ; Thu, 2 Aug 2012 12:48:30 -0500 (CDT) Received: from Sidney-Stratton.local (70-36-143-92.dsl.dynamic.sonic.net [70.36.143.92]) by smtp-out-2.01.com (Postfix) with ESMTPSA id 2F1694F675E for ; Thu, 2 Aug 2012 12:48:30 -0500 (CDT) Message-ID: <501ABD6D.1010608@agliodbs.com> Date: Thu, 02 Aug 2012 10:48:29 -0700 From: Josh Berkus Organization: PostgreSQL Experts Inc. User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:14.0) Gecko/20120713 Thunderbird/14.0 MIME-Version: 1.0 To: pgsql-hackers@postgresql.org Subject: Re: Help me develop new commit_delay advice References: <000701cd6ff0$013a6210$03af2630$@kapila@huawei.com> In-Reply-To: <000701cd6ff0$013a6210$03af2630$@kapila@huawei.com> X-Enigmail-Version: 1.4.3 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Pg-Spam-Score: -1.9 (-) X-Archive-Number: 201208/26 X-Sequence-Number: 211848 Peter, For some reason I didn't receive the beginning of this thread. Can you resend it to me, or (better) post it to the pgsql-performance mailing list? I have a linux system where I can test both on regular disk and on SSD. -- Josh Berkus PostgreSQL Experts Inc. http://pgexperts.com