Received: from magus.postgresql.org (magus.postgresql.org [87.238.57.229]) by mail.postgresql.org (Postfix) with ESMTP id ECA499E8851 for ; Wed, 9 May 2012 07:43:10 -0300 (ADT) Received: from rs133.luxsci.com ([72.32.115.26]) by magus.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1SS4MO-0006vi-4q for pgsql-admin@postgresql.org; Wed, 09 May 2012 10:43:09 +0000 Received: from GNANAM (NSG-Static-236.156.72.182.airtel.in [182.72.156.236] (may be forged)) (authenticated bits=0) by rs133.luxsci.com (8.13.8/8.13.8) with ESMTP id q49Agcqe005706; Wed, 9 May 2012 05:42:51 -0500 Reply-To: From: "Gnanakumar" To: "'Kevin Grittner'" , References: <00da01cd2ce7$35d17780$a1746680$@com> <00e101cd2cfc$b6140b00$223c2100$@com> <4FA8E99B0200002500047A16@gw.wicourts.gov> In-Reply-To: <4FA8E99B0200002500047A16@gw.wicourts.gov> Subject: Re: Advice/guideline on increasing shared_buffers and kernel parameters Date: Wed, 9 May 2012 16:11:10 +0530 Organization: Zoniac Software Private Limited Message-ID: <001f01cd2dd0$4187f8d0$c497ea70$@com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Ac0tKE+KX05bOga/RNq3MAUgXnr06QApgvhQ Content-Language: en-us X-Lux-Comment: Message q49Agcqe005706 sent by user #22393 X-Pg-Spam-Score: -2.6 (--) X-Archive-Number: 201205/45 X-Sequence-Number: 39534 > We get very good performance dealing with > thousands of concurrent users with a pool of 35 connections to the > database. > > If you want to handle more users than you can currently support, you > probably need to use fewer database connections. First, please excuse me that I'm not able to understand this particular point clearly. How can be reducing/using fewer connections in connection pooler can support larger concurrent incoming connection requests? If this is so critical to revisit (reducing), then I may have to convince/justify my peers also, before making this change in the Production server. Can you throw some light on this subject? Thanks for bringing this idea to notice.