Received: from localhost (maia-2.hub.org [200.46.204.187]) by postgresql.org (Postfix) with ESMTP id B433C9FBDCC for ; Tue, 8 May 2007 21:05:10 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.187]) (amavisd-maia, port 10024) with ESMTP id 92416-02 for ; Tue, 8 May 2007 21:05:01 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from lists.commandprompt.com (host-254.commandprompt.net [207.173.203.254]) by postgresql.org (Postfix) with ESMTP id 7E6EB9FBDBE for ; Tue, 8 May 2007 21:05:04 -0300 (ADT) Received: from [192.168.1.50] (or-67-76-146-141.sta.embarqhsd.net [67.76.146.141]) (authenticated bits=0) by lists.commandprompt.com (8.13.7/8.13.6) with ESMTP id l49051sE013507; Tue, 8 May 2007 17:05:01 -0700 Message-ID: <4641103B.7000802@commandprompt.com> Date: Tue, 08 May 2007 17:05:15 -0700 From: "Joshua D. Drake" User-Agent: Thunderbird 1.5.0.10 (X11/20070403) MIME-Version: 1.0 To: Dan Harris CC: PostgreSQL Performance Subject: Re: References: <868BCE5A6576F44A862F1FBBC3E14A01042559C3@ms17.mse9.exchange.ms> <46410C6B.8030901@drivefaster.net> In-Reply-To: <46410C6B.8030901@drivefaster.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV version 0.88.5, clamav-milter version 0.88.5 on projects.commandprompt.com X-Virus-Status: Clean X-Greylist: Sender succeded SMTP AUTH authentication, not delayed by milter-greylist-1.6 (lists.commandprompt.com [192.168.2.159]); Tue, 08 May 2007 17:05:02 -0700 (PDT) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200705/160 X-Sequence-Number: 24550 Dan Harris wrote: > Orhan Aglagul wrote: >> Hi Everybody, >> >> I was trying to see how many inserts per seconds my application could >> handle on various machines. >> >> >> I read that postgres does have issues with MP Xeon (costly context >> switching). But I still think that with fsync=on 65 seconds is >> ridiculous. > > CPU is unlikely your bottleneck.. You failed to mention anything about > your I/O setup. More details in this regard will net you better > responses. However, an archive search for insert performance will > probably be worthwhile, since this type of question is repeated about > once a month. He also fails to mention if he is doing the inserts one at a time or as batch. Joshua D. Drake > > > > > ---------------------------(end of broadcast)--------------------------- > TIP 2: Don't 'kill -9' the postmaster > -- === The PostgreSQL Company: Command Prompt, Inc. === Sales/Support: +1.503.667.4564 || 24x7/Emergency: +1.800.492.2240 Providing the most comprehensive PostgreSQL solutions since 1997 http://www.commandprompt.com/ Donate to the PostgreSQL Project: http://www.postgresql.org/about/donate PostgreSQL Replication: http://www.commandprompt.com/products/