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From: ludo@gnu.org (Ludovic Courtès)
To: Andreas Enge <andreas@enge.fr>
Cc: guix-devel <guix-devel@gnu.org>
Subject: Re: Default substitute URLs
Date: Fri, 15 Jul 2016 16:10:40 +0200	[thread overview]
Message-ID: <87y4530z6n.fsf@gnu.org> (raw)
In-Reply-To: <20160714154854.GA24635@solar> (Andreas Enge's message of "Thu, 14 Jul 2016 17:48:54 +0200")

Andreas Enge <andreas@enge.fr> skribis:

> On Wed, Jul 13, 2016 at 02:46:55PM +0200, Ludovic Courtès wrote:
>> I prefer to keep the mirror.hydra.gnu.org name, I think it’s clearer.
>
> Could there not be two, both of which would be checked, so if a package is not
> found on the first one, it is searched on the second one? This would make things
> more resilient.

Yes, that’s why we currently have mirror.* followed by hydra.*.

But given that the former is a mirror of the latter, which clients do
not know, it’s a bit silly: when mirror.* lacks an item, clients try
hydra.* but are very unlikely to get a positive answer there.  However,
they pay an extra network query.

Having several URLs pointing to the same server would be similarly
inefficient.

Hope this clarifies things.

Ludo’.

  parent reply	other threads:[~2016-07-15 14:10 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-12  8:52 Default substitute URLs Ludovic Courtès
2016-07-12  9:01 ` Andreas Enge
2016-07-13 12:46   ` Ludovic Courtès
2016-07-14 15:48     ` Andreas Enge
2016-07-14 15:57       ` Efraim Flashner
2016-07-15 14:12         ` Ludovic Courtès
2016-07-15 14:10       ` Ludovic Courtès [this message]
2016-07-15 15:07         ` Andreas Enge

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