Received: from maia.hub.org (maia-5.hub.org [200.46.204.29]) by mail.postgresql.org (Postfix) with ESMTP id E87081337B49 for ; Fri, 17 Dec 2010 06:07:53 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.29]) (amavisd-maia, port 10024) with ESMTP id 49251-02 for ; Fri, 17 Dec 2010 10:07:46 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from 27.mail-out.ovh.net (27.mail-out.ovh.net [91.121.30.210]) by mail.postgresql.org (Postfix) with SMTP id C0A681337B34 for ; Fri, 17 Dec 2010 06:07:45 -0400 (AST) Received: (qmail 14304 invoked by uid 503); 17 Dec 2010 10:09:16 -0000 Received: from b9.ovh.net (HELO mail195.ha.ovh.net) (213.186.33.59) by 27.mail-out.ovh.net with SMTP; 17 Dec 2010 10:09:07 -0000 Received: from b0.ovh.net (HELO queueout) (213.186.33.50) by b0.ovh.net with SMTP; 17 Dec 2010 12:07:29 +0200 Received: from par69-8-88-161-102-87.fbx.proxad.net (HELO apollo13) (lists%peufeu.com@88.161.102.87) by ns0.ovh.net with SMTP; 17 Dec 2010 12:07:27 +0200 Content-Type: text/plain; charset=utf-8; format=flowed; delsp=yes To: pgsql-performance@postgresql.org, selvi88 Subject: Re: postgres performance tunning References: <1292502787617-3307846.post@n5.nabble.com> Date: Fri, 17 Dec 2010 11:07:27 +0100 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Pierre C" Message-ID: In-Reply-To: <1292502787617-3307846.post@n5.nabble.com> User-Agent: Opera Mail/10.63 (Linux) X-Ovh-Tracer-Id: 3917850202494600753 X-Ovh-Remote: 88.161.102.87 (par69-8-88-161-102-87.fbx.proxad.net) X-Ovh-Local: 213.186.33.20 (ns0.ovh.net) X-Spam-Check: DONE|U 0.5/N X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.9 tagged_above=-10 required=5 tests=BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001 X-Spam-Level: X-Archive-Number: 201012/207 X-Sequence-Number: 41659 > Dear Friends, > I have a requirement for running more that 15000 queries per > second. > Can you please tell what all are the postgres parameters needs to be > changed > to achieve this. > Already I have 17GB RAM and dual core processor and this machine > is dedicated for database operation. That depends on your queries : for simple things like "SELECT * FROM table WHERE primary_key = constant", no problem, a desktop dual core will do it... So, please provide more details...