Michael D. Setzer II writes:

Have a notebook that I had installed Fedora on some time ago.
Have upgraded it via DNF a few times, but this time I actually was watching it
versus just coming back later to find it done.
The clean installation only took about 20 minutes originally, but I've added a
lot of things to it. Showed about 5000 packages.
Download was fine with about 5.3G, and then the upgrade reboot.
It showed 9999 items, with the installation of the new packages, and the
cleanup of the  old, and finally the verify complete.
Ended up taking just over 12 hours?
Just wondering why the process took so long.
Is that normal??

That sounds a little bit high, but not too high. One of my, very fat servers, has about five thousand packages, and I reckon a typical download takes about 3.5-4gigs, and an upgrade to a new fedora release takes about four hours to get through.

This server doesn't use plymouth, so the upgrade runs in text mode, and I get to keep an eye on the console screen. It takes about two seconds to update each package. Plus uninstalling the old package, in the uninstall package, takes about a second. So when you run the math, it adds up to about four hours.

It's not the actual file installation that's a burner, but most packages install or uninstall shared libraries, and thus need to run ldconfig, which scans the entire /lib64 directory. Actually not one /lib64, but there are a couple of them, here and there. With every package install/uninstall.

There are no simple solutions here. It is what it is.
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