bug#30290: guix-daemon slows to a crawl when a substitute server is offline

[zimoun]

Hi Maxim,

On Wed, 23 Mar 2022 at 11:50, zimoun <zimon.toutoune@gmail.com> wrote:
> On Wed, 18 Aug 2021 at 22:25, Maxim Cournoyer <maxim.cournoyer@gmail.com> 
> wrote:

>> Extra note: the problems reported earlier (hang or backtrace instead of
>> graceful fallback to other substitute servers) also affect the scenario
>> where substitutes are fetched from uDNS discovered substitute servers (I
>> just tried).
>
> I guess this old bug [1] about the daemon hanging is still there, right?
>
> How such issue could be tackled?
>
> 1: <http://issues.guix.gnu.org/issue/30290>

What could be actionable for tackling this old bug?


Cheers,
simon