From owner-freebsd-current@FreeBSD.ORG Wed Apr 14 12:57:41 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7233A16A4CE for ; Wed, 14 Apr 2004 12:57:41 -0700 (PDT) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by mx1.FreeBSD.org (Postfix) with ESMTP id 11E0943D31 for ; Wed, 14 Apr 2004 12:57:41 -0700 (PDT) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.12.10/8.12.10) id i3EJtq69032217; Wed, 14 Apr 2004 14:55:52 -0500 (CDT) (envelope-from dan) Date: Wed, 14 Apr 2004 14:55:52 -0500 From: Dan Nelson To: Holger Kipp Message-ID: <20040414195552.GE28745@dan.emsphone.com> References: <200404140913.i3E9Dpb74482@alogis.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200404140913.i3E9Dpb74482@alogis.com> X-OS: FreeBSD 5.2-CURRENT X-message-flag: Outlook Error User-Agent: Mutt/1.5.6i cc: current@freebsd.org Subject: Re: Question: Planned Performance improvements? GIANT free ciss, bge,...? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Apr 2004 19:57:41 -0000 In the last episode (Apr 14), Holger Kipp said: > - Other improvements regarding HTT and scheduling? > > currently, we have 11.3 web pages per second with SCHED_4BSD > 11.5 web pages per second with SCHED_ULE > with 0% idle under SCHED_4BSD, 5-7% idle under SCHED_ULE. > (this is without witness or invariants, of course) > (under 4.9-STABLE numbers are slightly below 11) What's the %User and %System? No amount of kernel improvements are going to help you if your webserver does (1/11.5) sec of user CPU work per page. -- Dan Nelson dnelson@allantgroup.com