bug#57391: "error: connect*: Connection timed out" when using 6+ jobs to fetch substitutes

[Maxime Devos]

On 24-08-2022 22:42, Maxim Cournoyer wrote:
> It fails like the above when the number of jobs is 6 or higher, but
> proceeds without error when the number of jobs is 5 or less.
>
> I do not think the network to be at caused, as everything is cabled and
> the link is healthy and fast.

I encounter less "connect*: Connection timed out" after setting -M5, but 
it still sometimes happens:

> /gnu/store/vifx9ajaa65624f412bqqcdk4k83v461-flite-2.2-checkout 
> vervangen...
> guix substitute: waarschuwing: tijdens het binnenhalen van 
> https://ci.guix.gnu.org/nar/lzip/vifx9ajaa65624f412bqqcdk4k83v461-flite-2.2-checkout: 
> de server is een beetje traag
> guix substitute: waarschuwing: probeer ‘--no-substitutes’ als het 
> probleem hardnekkig is
> guix substitute: fout: connect*: Verbinding is verlopen
> vervanging van 
> /gnu/store/vifx9ajaa65624f412bqqcdk4k83v461-flite-2.2-checkout mislukt
> guix build: fout: beschadigde invoer tijdens het terugplaatsen van het 
> archief uit #<closed: file 7efc38785e00>

Greetings,
Maxime.

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