Tobias Geerinckx-Rice <me@tobias.gr> writes:

> Alex,
>
> Alex Vong wrote:
>> For myself, I use the following option:
>>
>>   --substitute-urls='https://berlin.guixsd.org
>> https://mirror.guixsd.org https://mirror.hydra.gnu.org
>> https://hydra.gnu.org'
>
> I suggest keeping only one of mirror.guixsd.org and
> mirror.hydra.gnu.org.
>
> I don't know the story, or which one's preferable (I forgot m.g.o
> existed), but both point to the exact same server. Hitting (and
> caching?) the same box twice is probably bad news for both of you.
>
Thanks for the catch! 'mirror.guixsd.org' was mentioned in one of the
threads. (of course, I forget which thread it was...) I don't know the 2
urls resolve same server.

>> I choose 'berlin.guixsd.org' to be the default because it seems to
>> build
>> substitutes faster than 'hydra.gnu.org'.
>
> I share that impression.
>
> Kind regards,
>
> T G-R