From owner-freebsd-stable Tue Dec 12 23:53:52 2000 From owner-freebsd-stable@FreeBSD.ORG Tue Dec 12 23:53:51 2000 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from relay.nuxi.com (nuxi.cs.ucdavis.edu [169.237.7.38]) by hub.freebsd.org (Postfix) with ESMTP id 4E45F37B400 for ; Tue, 12 Dec 2000 23:53:47 -0800 (PST) Received: from dragon.nuxi.com (Ipittythefoolthattrustsident@trang.nuxi.com [209.152.133.57]) by relay.nuxi.com (8.9.3/8.9.3) with ESMTP id XAA68423; Tue, 12 Dec 2000 23:53:46 -0800 (PST) (envelope-from obrien@NUXI.com) Received: (from obrien@localhost) by dragon.nuxi.com (8.11.1/8.11.1) id eBD7rjG74071; Tue, 12 Dec 2000 23:53:45 -0800 (PST) (envelope-from obrien) Date: Tue, 12 Dec 2000 23:53:44 -0800 From: "David O'Brien" To: Matt Dillon Cc: freebsd-stable@FreeBSD.ORG Subject: Re: Extreme high load with 12/7 4-releng Message-ID: <20001212235344.A73861@dragon.nuxi.com> Reply-To: stable@FreeBSD.ORG References: <200012120230.SAA32402@pathlink.net> <200012121801.KAA42878@pathlink.net> <200012122138.NAA69074@pathlink.net> <200012122231.eBCMVE353411@earth.backplane.com> <200012130209.eBD290M79194@earth.backplane.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <200012130209.eBD290M79194@earth.backplane.com>; from dillon@earth.backplane.com on Tue, Dec 12, 2000 at 06:09:00PM -0800 X-Operating-System: FreeBSD 5.0-CURRENT Organization: The NUXI BSD group X-Pgp-Rsa-Fingerprint: B7 4D 3E E9 11 39 5F A3 90 76 5D 69 58 D9 98 7A X-Pgp-Rsa-Keyid: 1024/34F9F9D5 Sender: obrien@NUXI.com Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Tue, Dec 12, 2000 at 06:09:00PM -0800, Matt Dillon wrote: > To give you an idea on the difference in performance, running a program > on my test box to iterate through a huge (3xMain-memory) file via mmap, > alternately touching 8K and accessing 8K, resulted in long system stalls > and a pidly pageout rate of maybe 2MB/sec. To disk. Would you be willing to post your test for people to play with if they care to? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message