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From: terry@cs.weber.edu (A Wizard of Earth C)
Subject: Re: Occasional system hangs
Message-ID: <1992Dec15.034235.21052@fcom.cc.utah.edu>
Sender: news@fcom.cc.utah.edu
Organization: University of Utah Computer Center
References: <andrewh.724059111@bruce.cs.monash.edu.au> <jason.724071780@sorokin> <1992Dec12.073053.2721@fcom.cc.utah.edu> <1992Dec12.223932.15096@runx.oz.au>
Date: Tue, 15 Dec 92 03:42:35 GMT
Lines: 33
In article <1992Dec12.223932.15096@runx.oz.au>, bde@runx.oz.au (Bruce Evans) writes:
|> In article <1992Dec12.073053.2721@fcom.cc.utah.edu> terry@cs.weber.edu (A Wizard of Earth C) writes:
|>
|> >RAM isn't a problem; I have run a sufficiently stripped kernel on a 640K
|> >(no extended or expanded memory!) 386 Box with an NE2K card for periods
|> >in excess of 4 days with moderate usage (20 Meg swap on a 30 Meg drive
|> >and /usr remote mounted). Moderate usage is 3 users curious about it and
|> >beating on the compiler. Obviously, no X 8-).
|>
|> How fast does it run? I have run a fairly large kernel on a 386 system with
|> 1664K. It runs OK until it starts swapping. (Actually it runs dismally
|> because the disks are slow MFM 2:1 interleave and the system has to go to the
|> disk for almost everything.) When it starts swapping, the disk light stays
|> on all the time and it takes several minutes to run the shell script
|> 'umount -af; sync'. The shell is bash (definitely too big). All known
|> patches related to memory leaks and disk activity are installed.
Well, this is pretty much to be expected... swapping kills, especially on
slow spindles. The small box I played around with (above) has a fast disk;
swapping isn't that big a problem as long as the image you run plus the
kernel size fits in ram, or you have a moderately fast disk.
Terry Lambert
terry@icarus.weber.edu
terry_lambert@novell.com
---
Any opinions in this posting are my own and not those of my present
or previous employers.
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