Christopher Baines <m...@cbaines.net> skribis: > Ludovic Courtès <l...@gnu.org> writes:
[...] >> So it seems that bordeaux.guix did advertise zstd at some point (and >> that narinfo is still in cache) but no longer does. >> >> Chris, can you confirm? > > Yeah, this would have been a consequence of reducing the cache size [1]. > > 1: > https://git.savannah.gnu.org/cgit/guix/maintenance.git/commit/?id=ce8d3000fda6b80c0cf3e6f8204e0ee293024e6b As discussed on IRC, I think nar-herder should honor the TTL it advertises for all the URLs of the narinfo (lzip, zstd, etc.) because that’s how ‘guix substitute’ currently interprets the TTL. Eventually it would be nice for ‘guix substitute’ to interpret the TTL as applying to one of the URLs (not necessarily all of them), but this kind of change takes months if not years to be widely deployed because users rarely (if ever) update guix-daemon. Ludo’.