From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932303AbVHSWpl (ORCPT ); Fri, 19 Aug 2005 18:45:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932319AbVHSWpl (ORCPT ); Fri, 19 Aug 2005 18:45:41 -0400 Received: from highlandsun.propagation.net ([66.221.212.168]:21514 "EHLO highlandsun.propagation.net") by vger.kernel.org with ESMTP id S932303AbVHSWpk (ORCPT ); Fri, 19 Aug 2005 18:45:40 -0400 Message-ID: <43066106.6080506@symas.com> Date: Fri, 19 Aug 2005 15:45:26 -0700 From: Howard Chu User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8b4) Gecko/20050810 SeaMonkey/1.0a MIME-Version: 1.0 To: Chris Wedgwood CC: linux-kernel@vger.kernel.org Subject: Re: sched_yield() makes OpenLDAP slow References: <43057641.70700@symas.com> <20050819065909.GA2249@taniwha.stupidest.org> In-Reply-To: <20050819065909.GA2249@taniwha.stupidest.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Chris Wedgwood wrote: > On Thu, Aug 18, 2005 at 11:03:45PM -0700, Howard Chu wrote: > > If the 2.6 kernel makes this programming model unreasonably slow, > > then quite simply this kernel is not viable as a database platform. > Pretty much everyone else manages to make it work. And this contributes to the discussion how? Pretty much every other Unix-ish operating system manages to make scheduling with nice'd processes work. If you really want to get into what "everyone else manages to make work" you're in for a rough ride. -- -- Howard Chu Chief Architect, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc OpenLDAP Core Team http://www.openldap.org/project/