X-Original-To: pgsql-performance-postgresql.org@postgresql.org Received: from localhost (wm.hub.org [200.46.204.128]) by postgresql.org (Postfix) with ESMTP id 23AB19FBBE4 for ; Fri, 25 Aug 2006 14:55:32 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.128]) (amavisd-new, port 10024) with ESMTP id 05772-09 for ; Fri, 25 Aug 2006 17:55:24 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey- Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by postgresql.org (Postfix) with ESMTP id 154CA9FBBCE for ; Fri, 25 Aug 2006 14:55:23 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.13.6/8.13.6) with ESMTP id k7PHtK15003394; Fri, 25 Aug 2006 13:55:20 -0400 (EDT) To: Jean Arnaud cc: pgsql-performance@postgresql.org Subject: Re: Changing max_connections without restart ? In-reply-to: <44EF2BE4.5050301@inrialpes.fr> References: <44EF2BE4.5050301@inrialpes.fr> Comments: In-reply-to Jean Arnaud message dated "Fri, 25 Aug 2006 18:57:08 +0200" Date: Fri, 25 Aug 2006 13:55:20 -0400 Message-ID: <3393.1156528520@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200608/409 X-Sequence-Number: 20594 Jean Arnaud writes: > I'm looking for a way to change the "max_connections" parameter without > restarting the PostGreSQL database. There is none. That's one of the parameters that determines shared memory array sizes, and we can't change those on-the-fly. regards, tom lane