Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dDEaw-0006sr-4y for pgsql-performance@arkaria.postgresql.org; Tue, 23 May 2017 18:31:46 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.84_2) (envelope-from ) id 1dDEav-0004Hf-Im for pgsql-performance@arkaria.postgresql.org; Tue, 23 May 2017 18:31:45 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1dDEZA-00014L-J2 for pgsql-performance@postgresql.org; Tue, 23 May 2017 18:29:56 +0000 Received: from mail.srv.pl ([2001:1a68:0:c::4a]) by magus.postgresql.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.84_2) (envelope-from ) id 1dDEZ7-0004CE-Lp for pgsql-performance@postgresql.org; Tue, 23 May 2017 18:29:56 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=srv.pl; s=dkim; h=Content-Transfer-Encoding:Mime-Version:Content-Type:Date:To:From:Subject:Message-ID; bh=RMIAc6XC3jA+QDrBTbAwX8roESUj8NAZTynJ9f9vm1o=; b=viuIlFK2E0phPC/Tf0QxwlErFsfKpAbO7z+EMe85iGM2MRX5jc4sUUcjbD/bmrO+EfL2W4EMEQHPQ6caCHJnRIpj5UTseTEorpYA6t1up3vT0Mx0ScGoA/x1IN1ODWIIXNe2hoqCJx4kCL3f+7kcWuzfPNug85KCdHn57cFFv08=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=bodygloveoptrix.pl; s=dkim; h=Content-Transfer-Encoding:Mime-Version:Content-Type:Date:To:From:Subject:Message-ID; bh=RMIAc6XC3jA+QDrBTbAwX8roESUj8NAZTynJ9f9vm1o=; b=HK64PCib5BITapG1x14We+2jkpht0p58iwYc6NYO1BcK5ZbiAlYC/8Ts0cNA8O8/i/64aXps32fLXKg6/SEiJe+zl8LrXlGWFZhswoiq4gLz/gYETAq4NyoFby5WWf86Ga8FmyJdx25DLQBtu8mwmRNH3hqGjJPjRFVO9nPH8C4=; Message-ID: <1495564174.6168.10.camel@sem-jarek-01.prv> Subject: More cores or higer frequency ? From: Jarek To: pgsql-performance@postgresql.org Date: Tue, 23 May 2017 20:29:34 +0200 Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Spam-Score: -2.9 X-Spam-Level: -- X-Pg-Spam-Score: -1.9 (-) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-performance Precedence: bulk Sender: pgsql-performance-owner@postgresql.org Hello! I've heavy loaded PostgreSQL server, which I want to upgrade, so it will handle more traffic. Can I estimate what is better: more cores or higher frequency ? I expect that pg_stat should give some tips, but don't know where to start... best regards Jarek -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance