From owner-freebsd-current Mon Feb 27 03:17:23 1995 Return-Path: current-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.9/8.6.6) id DAA18978 for current-outgoing; Mon, 27 Feb 1995 03:17:23 -0800 Received: from mail.rwth-aachen.de (mail.RWTH-Aachen.DE [137.226.144.9]) by freefall.cdrom.com (8.6.9/8.6.6) with ESMTP id DAA18955 for ; Mon, 27 Feb 1995 03:17:08 -0800 Received: from gilberto.physik.rwth-aachen.de by mail.rwth-aachen.de (PMDF V4.3-10 #7297) id <01HNJL1UPXOW001I7L@mail.rwth-aachen.de>; Mon, 27 Feb 1995 12:15:24 +0100 Received: (from kuku@localhost) by gilberto.physik.rwth-aachen.de (8.6.8/8.6.9) id MAA29979; Mon, 27 Feb 1995 12:20:54 +0100 Date: Mon, 27 Feb 1995 12:20:54 +0100 (MET) From: Christoph Kukulies Subject: Re: my system has slowed down In-reply-to: <199502270901.LAA00310@zibbi.mikom.csir.co.za> from "John Hay" at Feb 27, 95 11:01:08 am To: jhay@mikom.csir.co.za (John Hay) Cc: freebsd-current@freefall.cdrom.com (user alias) Reply-to: Christoph Kukulies Message-id: <199502271120.MAA29979@gilberto.physik.rwth-aachen.de> X-Mailer: ELM [version 2.4 PL23] Content-type: text Content-transfer-encoding: 7BIT Content-length: 1462 Sender: current-owner@FreeBSD.org Precedence: bulk > > > > > > > Somewhere in the time between Feb 17th and today my two daily world builds > > stopped from working. Up to then I started world build at 7 a.m. and had > > finished about 5 p.m. After that I built a kernel and rebooted the system. > > This all was steered by cron. In the past days this suddenly stopped > > working. The kernel build was done in midst of the (still running) world > > build and thus the world build never finished. > > > > But I see a noticeable slow down in compiles. The machine is a 486-DX2/66 > > with 32MB of memory and two IDE Quantum Maverick 540 MB drives. > > > > I cannot image that some addition to the source tree caused such a tremendous > > increase in build time >12 hours (compared to 10 before). What else could > > be the cause for this? (fragmentation?) > > > I don't think it is fragmentation, because I am also seeing it. The disk seems > to be very busy, even after the patch to vfs_bio.c from John Dyson. ...disk seems very busy.. That's what I'm also seeing. It's so busy that it looks like the system is paging more than usual. And (from top) I see that there is only half of the 32MB in use (17-18MB free) if I interpret the top figures right. > > -- > John Hay -- jhay@mikom.csir.co.za > --Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de FreeBSD blues 2.1.0-Development FreeBSD 2.1.0-Development #0: Sun Feb 26 20:27:39 1995 root@blues:/usr/src/sys/compile/BLUESGUS i386