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Date:      Fri, 2 Feb 2001 14:44:44 -0600 (CST)
From:      Chris Dillon <cdillon@wolves.k12.mo.us>
To:        John Polstra <jdp@polstra.com>
Cc:        <hackers@FreeBSD.ORG>, <julian@elischer.org>
Subject:   Re: CVSup7.FreeBSD.org is back in service
Message-ID:  <Pine.BSF.4.32.0102021432440.65939-100000@mail.wolves.k12.mo.us>
In-Reply-To: <200102021754.f12Hscu03043@vashon.polstra.com>

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On Fri, 2 Feb 2001, John Polstra wrote:

> In article <3A79145A.39CF9671@elischer.org>,
> Julian Elischer  <julian@elischer.org> wrote:
> >
> > I have the folowing suggestion for CVSup..
> > the ability to specify several servers.
> > Cvsup can have a quick exchange with each to inquire about load and check the
> > latency and bandwidth
> > and the last time updated, and choose the best....
> > Since you control both ends this is possible..
>
> This is a frequently requested feature, but I've always been reluctant
> to provide it.  Human nature being what it is, I'm afraid soon
> everybody would have 15 servers listed in their supfiles.  So 15
> servers would get hit on each update instead of just one.  It is
> true that the load query wouldn't hit the servers nearly as hard as
> an actual update.  But it would require forking a process at least.

[...]

Finding the fastest server isn't always as important as finding one
that works.  I had my mirror pointed at cvsup7 (or maybe it was
cvsup6) when it went away for a while, and I never knew the updates
were failing until after several cvsups from my mirror I noticed
nothing was changing, which is very unusual. :-)

A nice feature would be to add multiple cvsup servers to use as
fallbacks with some way of knowing if the server you've just fallen
back to has a later copy of the tree than you do.

-- Chris Dillon - cdillon@wolves.k12.mo.us - cdillon@inter-linc.net
   FreeBSD: The fastest and most stable server OS on the planet.
   For IA32 and Alpha architectures. IA64, PPC, and ARM under development.
   http://www.freebsd.org




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