X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 1883852D18 for ; Fri, 15 Jul 2005 04:14:48 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 63856-08 for ; Fri, 15 Jul 2005 07:14:42 +0000 (GMT) Received: from mail28.sea5.speakeasy.net (mail28.sea5.speakeasy.net [69.17.117.30]) by svr1.postgresql.org (Postfix) with ESMTP id 7AA8352D16 for ; Fri, 15 Jul 2005 04:14:41 -0300 (ADT) Received: (qmail 23607 invoked from network); 15 Jul 2005 07:14:42 -0000 Received: from dsl081-060-184.sfo1.dsl.speakeasy.net (HELO noodles) ([64.81.60.184]) (envelope-sender ) by mail28.sea5.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 15 Jul 2005 07:14:42 -0000 Received: from jwb by noodles with local (Exim 3.36 #1 (Debian)) id 1DtKPC-00021N-00; Fri, 15 Jul 2005 00:14:42 -0700 Subject: Re: What's a lot of connections? From: "Jeffrey W. Baker" To: karim.nassar@acm.org Cc: pgsql-performance@postgresql.org In-Reply-To: <1121410859.4715.87.camel@localhost.localdomain> References: <1121410859.4715.87.camel@localhost.localdomain> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Fri, 15 Jul 2005 00:14:42 -0700 Message-Id: <1121411682.7733.0.camel@noodles> Mime-Version: 1.0 X-Mailer: Evolution 2.3.4 X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0 tagged_above=0 required=5 tests= X-Spam-Level: X-Archive-Number: 200507/212 X-Sequence-Number: 13453 On Fri, 2005-07-15 at 00:00 -0700, Karim Nassar wrote: > I am working on a system that uses postgresql 7.4.2 (can't change that > until 8.1 goes stable). Just figured out that there are about 285,000 > connections created over about 11 hours every day. That averages out to > about 7.2 connections per second. > > Is that a lot? I've never seen that many. I see about 8 million connections per full day. Connecting to postgres is cheap. -jwb