From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266555AbUGPPb7 (ORCPT ); Fri, 16 Jul 2004 11:31:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266554AbUGPPb7 (ORCPT ); Fri, 16 Jul 2004 11:31:59 -0400 Received: from mtvcafw.sgi.com ([192.48.171.6]:32562 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S266555AbUGPPbt (ORCPT ); Fri, 16 Jul 2004 11:31:49 -0400 From: Jesse Barnes To: Chris Wedgwood Subject: Re: [PATCH] reduce inter-node balancing frequency Date: Fri, 16 Jul 2004 11:30:44 -0400 User-Agent: KMail/1.6.2 Cc: Nick Piggin , "Martin J. Bligh" , linux-kernel , John Hawkes References: <200407151829.20069.jbarnes@engr.sgi.com> <200407161045.38983.jbarnes@engr.sgi.com> <20040716150418.GA5195@taniwha.stupidest.org> In-Reply-To: <20040716150418.GA5195@taniwha.stupidest.org> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200407161130.44616.jbarnes@engr.sgi.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Friday, July 16, 2004 11:04 am, Chris Wedgwood wrote: > On Fri, Jul 16, 2004 at 10:45:38AM -0400, Jesse Barnes wrote: > > For sn2 at least, there are quite a few ways we could dice up the > > topology. We'll have to experiment with things a bit to find some > > good defaults. > > The PROM can export topology details so presumably there is enough to > derive something sane on boot surely? Yep, we should have all the information we need, it's just a matter of translating it into something useful. Since routers tend to group together nodes in groups of 4 or 8, a node herd with that many nodes might make sense, but also might be too small. We might want everything within a set of metarouters in a group instead, or in addition, or... Jesse