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Re: Yet another Hydra mirror: hydra-mirror.marusich.info


From: Andy Wingo
Subject: Re: Yet another Hydra mirror: hydra-mirror.marusich.info
Date: Tue, 08 Mar 2016 10:04:33 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)

On Tue 08 Mar 2016 07:37, Chris Marusich <address@hidden> writes:

> I've set up a caching proxy to serve substitutes from Hydra. If you want
> to use it, it's available here:
>
> http://hydra-mirror.marusich.info
>
> Behind the scenes, this endpoint is set up to distribute hydra.gnu.org's
> substitutes via Amazon CloudFront, which is a global content
> distribution network with points of presence in the United States,
> Europe, Asia, and South America. That means that almost no matter where
> you are, if your neighbor uses it to download substitutes, then you'll
> be able to download the same cached substitutes quickly from a nearby
> location.

Neat :)

Right now hydra.gnu.org is in this weird situation where people who use
it have to trust it, modulo "guix challenge" of course.  But really all
we have to trust is the mapping from the derivation (like the "foo"
package) to a hash of the build results; the actual build result could
be transferred from anywhere with no trust issues at all, provided that
we verify the hash.  (Do I understand the situation correctly?)  Anyway
it would be very interesting to be able to distribute the build products
using more scalable channels without having to trust more people.

Andy



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