On 5/28/20 10:58 AM, Michael D. Setzer II via users wrote:
Some I did a clean install. New Hard disk, and install from iso. Usually, that takes about 1/2 hour for whole process. Including install of OS, and then install of a number of other packages I use that are not installed by default.
If it was an install from a live boot, then the "install" process is just copying the files directly to the hard drive which is very fast. If it is a net install, then after the download, it's just installing rpms into a clean partition.
Did update on my notebook machine as well using dnf system update. This system has some more packages installed. Showed 5070 versus about 2000+ for the clean install. Download process took about 30 minutes, but then the reboot and upgrade process took just over 14 hours. Total was 14 hours 50 minutes.
Upgrading for some reason does take a lot longer, maybe because it's being extra safe in how it writes the files? A lot more scripts to run?
Not clear why it would take 15 times as long? Checked while running, and dnf was running at 100%, but just using 1 cpu. Notebook has dual cpus. Don't know if others just run it, and check when done, but seems to be a bigger difference in time than it should be.
How are you able to see CPU usage during the upgrade? Weren't you doing the offline upgrade? The process should be very IO bound, not CPU. Unless you happened to catch it running a script like the selinux one.
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