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Re: Test US mirror for bordeaux.guix.gnu.org and slow downloading of sub
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From: |
Ludovic Courtès |
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Subject: |
Re: Test US mirror for bordeaux.guix.gnu.org and slow downloading of substitutes |
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Date: |
Mon, 30 May 2022 17:16:01 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) |
Hi,
Christopher Baines <mail@cbaines.net> skribis:
> Now, performance is probably a bit more complicated than just download
> speed. The US mirror holds the narinfo information locally, which should
> enable it to respond to requests more quickly, reducing latency, but
> this is a little harder to test.
For those of us who have a fast connection to the server, download time
is CPU-bound; in that case, offering zstd substitutes can make a real
difference:
https://guix.gnu.org/en/blog/2021/getting-bytes-to-disk-more-quickly/
Ludo’.