I suggest using strace to find out where the delay is happening. I found a bug where wonky mirrors were responsible for the hang, and made some adjustments to dnf to make it decidedly less tolerant of such mirrors.

https://bugzilla.redhat.com/show_bug.cgi?id=1294953

The more recent one bugging me is downloading those metadata files 2-3 times per day even after clean all (once right after is expected, but again 4 hours later no.)


Chris Murphy