Just giving a headsup in case its not known, I am also getting incredibly slow speed from zypper downloading anything typically less than 1 mb on a 200 mbps fiber connection. Any ideas why this would be happening? I tried this on ubuntu with apt-get it was near instant…
If I were you, I’d change to the Korean mirror since it’s relatively close geographically to Thailand - my guess is the redirector is pointing you to a mirror that isn’t close enough to you and is slow as a consequence.
You can do this in two ways, either by manually editing the URI’s in YAST / Software / Repositories to point to the mirror in question, or you can sed them from the command line.