Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1Xb9gH-000423-UT for pgsql-performance@arkaria.postgresql.org; Mon, 06 Oct 2014 14:54:34 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1Xb9gH-0000CU-Em for pgsql-performance@arkaria.postgresql.org; Mon, 06 Oct 2014 14:54:33 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1Xb9gG-0000CM-Mn for pgsql-performance@postgresql.org; Mon, 06 Oct 2014 14:54:32 +0000 Received: from oldperseverance.encs.concordia.ca ([132.205.96.92]) by magus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1Xb9g9-0004pR-3H for pgsql-performance@postgresql.org; Mon, 06 Oct 2014 14:54:31 +0000 Received: from cacao.encs.concordia.ca (emilu@cacao.encs.concordia.ca [132.205.47.225]) by oldperseverance.encs.concordia.ca (envelope-from emilu@encs.concordia.ca) (8.13.7/8.13.7) with ESMTP id s96EsMjg020391 for ; Mon, 6 Oct 2014 10:54:22 -0400 Message-ID: <5432AD1E.4070201@encs.concordia.ca> Date: Mon, 06 Oct 2014 10:54:22 -0400 From: Emi Lu Reply-To: emilu@encs.concordia.ca User-Agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.8.1 MIME-Version: 1.0 To: "pgsql-performance@postgresql.org" Subject: issue? Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.58 on oldperseverance.encs.concordia.ca at 2014/10/06 10:54:22 EDT X-Pg-Spam-Score: -1.2 (-) 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 List,

May I know will <idle> cause any potential performance issues for psql8.3 please?
version (PostgreSQL 8.3.18 on x86_64-unknown-linux-gnu, compiled by GCC 4.1.2)

E.g., got 10 idle connections for 10 days.
 select current_query from pg_stat_activity  where usename ='test';
                              current_query                              
--------------------------------------------------------------------------
 <IDLE>
 <IDLE>
 <IDLE>
 <IDLE>
 <IDLE>
 <IDLE>
 <IDLE>
 <IDLE>
 <IDLE>
 <IDLE>

Thanks a lot!
Emi