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Date:      Mon, 27 Feb 1995 11:01:08 +0200 (SAT)
From:      John Hay <jhay@mikom.csir.co.za>
To:        kuku@gilberto.physik.rwth-aachen.de (Christoph P. Kukulies)
Cc:        freebsd-current@freefall.cdrom.com
Subject:   Re: my system has slowed down
Message-ID:  <199502270901.LAA00310@zibbi.mikom.csir.co.za>
In-Reply-To: <199502270651.HAA29424@gilberto.physik.rwth-aachen.de> from "Christoph P. Kukulies" at Feb 27, 95 07:51:46 am

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> 
> 
> 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?) 
> 
> --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
> 

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.

-- 
John Hay -- jhay@mikom.csir.co.za



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