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 2B2CB53338 for ; Wed, 4 May 2005 01:07:22 -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 75539-08 for ; Wed, 4 May 2005 04:07:20 +0000 (GMT) Received: from flake.decibel.org (flake.decibel.org [67.100.216.10]) by svr1.postgresql.org (Postfix) with ESMTP id 281C05331E for ; Wed, 4 May 2005 01:07:19 -0300 (ADT) Received: by flake.decibel.org (Postfix, from userid 1001) id A6197152B4; Tue, 3 May 2005 23:07:18 -0500 (CDT) Date: Tue, 3 May 2005 23:07:18 -0500 From: "Jim C. Nasby" To: Mark Kirkwood Cc: Chris Hebrard , pgsql-performance@postgresql.org Subject: Re: Kernel Resources and max_connections Message-ID: <20050504040718.GU47820@decibel.org> References: <42782194.7040500@wildcash.com> <4278297A.1010703@paradise.net.nz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4278297A.1010703@paradise.net.nz> X-Operating-System: FreeBSD 4.11-RELEASE i386 X-Distributed: Join the Effort! http://www.distributed.net User-Agent: Mutt/1.5.8i X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.008 tagged_above=0 required=5 tests=AWL X-Spam-Level: X-Archive-Number: 200505/36 X-Sequence-Number: 12200 On Wed, May 04, 2005 at 01:46:34PM +1200, Mark Kirkwood wrote: > (This not-very-clear distinction between what is sysctl'abe and what is > a kernel tunable is a bit of a downer). I think this is documented somewhere, though I can't think of where right now. Also, note that some sysctl's can only be set in /boot/loader.conf. hw.ata.wc=0 is an example (which you want to set on any box with IDE drives if you want fsync to actually do what it thinks it's doing). -- Jim C. Nasby, Database Consultant decibel@decibel.org Give your computer some brain candy! www.distributed.net Team #1828 Windows: "Where do you want to go today?" Linux: "Where do you want to go tomorrow?" FreeBSD: "Are you guys coming, or what?"