It seems currently f31/f30 newrepo generation is very slow. When I submitted rubygem-cairo-gobject-3.4.0-1.fc31 for f31 overrides, it took more than 84 min for it to appear on new f31 buildroot. And for rubygem-cairo-gobject-3.4.0-1.fc30 it took 55 min.
And for rubygem-glib2-3.4.0-1.fc31 it took more than 120 min.... Would you investigate current status?
This is very likely caused by #8292 Lets track it there.
Currently there is no db backup running so it should be back to normal at least for the next day or so.
Metadata Update from @kevin: - Issue close_status updated to: Duplicate - Issue status updated to: Closed (was: Open)