Subject: Re: bug#46942: ci.guix.gnu.org is slow from my system

From: Christopher Baines <[email-masked]>
Date: Fri, 05 Mar 2021 11:48:44 +0000

raid5atemyhomework via Bug reports for GNU Guix <[email-masked]> writes:

> Downloading substitutes from ci.guix.gnu.org is slow from my two Guix-using computers.
>
> One is a pure Guix System install without any channels, the other one is a foreign Guix install with the-channel-that-cannot-be-named.
>
>
> ```
> downloading from https://ci.guix.gnu.org/nar/lzip/1bdldr80p39g1mjnh76xw6hmwqrrb8lz-wine64-6.0 ...
>  wine64-6.0  54.4MiB                                                                                                                                 10KiB/s 01:55 [                  ]   2.1%
> ```

If you try this same download again, do you get the same speed?

guix publish, which is used on ci.guix.gnu.org can dynamically create
nars if they're not cached, which will probably result in slower
download speeds.