Subject: Re: sup problems?
To: NetBSD-current Discussion List <current-users@netbsd.org>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: current-users
Date: 09/27/1999 21:49:05
On Mon, Sep 27, 1999 at 02:16:24PM -0400, Greg A. Woods wrote:
> I don't think kernel tuning is going to fix that problem.  On Saturday
> (1999/09/25) I also saw that *every* single file in every collection was
> "Updated" fresh and only a very few files were "Received" (and it took
> over 11 hours to do on my 26.4kbps modem link)!  (The e-mail from my
> cron job with "sup -v" was 2.8MB!)
> 
> My guess is that someone apparently copied all of the sup server's
> source directories and files in such a way that the sup server was
> forced to see them as needing updating.  I would imagine that if Andrew
> and I were not the only ones this happened to that there would have been
> a very significant load on the sup server!

Yes, the files were moved from a disk to another.
I think sup updates all the files dates because the creation time was changed
(the modif time should still be the same).

Actually I experimented a bit with this and never found a copy method which
would keep sup from updating all files.

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
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