Received: from localhost (unknown [200.46.204.184]) by developer.postgresql.org (Postfix) with ESMTP id 864FC2E0066 for ; Tue, 1 Apr 2008 08:54:08 -0300 (ADT) Received: from developer.postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.184]) (amavisd-maia, port 10024) with ESMTP id 92255-03 for ; Tue, 1 Apr 2008 08:53:55 -0300 (ADT) Received: from news.hub.org (news.hub.org [200.46.204.72]) by developer.postgresql.org (Postfix) with ESMTP id 3FA742E0062 for ; Tue, 1 Apr 2008 08:54:02 -0300 (ADT) Received: from news.hub.org (news.hub.org [200.46.204.72]) by news.hub.org (8.14.1/8.14.1) with ESMTP id m31BruZI002983 for ; Tue, 1 Apr 2008 08:53:56 -0300 (ADT) (envelope-from news@news.hub.org) Received: (from news@localhost) by news.hub.org (8.14.1/8.14.1/Submit) id m31Be3l1000209 for pgsql-performance@postgresql.org; Tue, 1 Apr 2008 08:40:03 -0300 (ADT) (envelope-from news) From: "Sabin Coanda" X-Newsgroups: pgsql.performance Subject: check performance parameters Date: Tue, 1 Apr 2008 14:40:13 +0300 Organization: Hub.Org Networking Services Lines: 16 Message-ID: X-Complaints-To: usenet@news.hub.org X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 X-RFC2646: Format=Flowed; Original To: pgsql-performance@postgresql.org X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200804/4 X-Sequence-Number: 29497 Hi there, I have an application accessing a postgres database, and I need to estimate the following parameters: - read / write ratio - reads/second on typical load / peak load - writes/second on typical load / peak load Is there any available tool to achieve that ? TIA, Sabin