Do you have thumbnail generation turned on (like fribbtastic mentioned)? That could be a reason why.
In the web interface, click the “>_” icon in the top right to open the terminal. Then type du -sh /mnt/user/appdata and post the results here
How big is your Plex library?
Not sure about Asian sports but you can check here
You shouldn’t be downloading into Sonarr and radar’s root folder. You should have a separate folder for tv, and a separate folder for movies
AirVPN and proton vpn can both do port forwarding
Have you tried pressing search?
If you click settings then accounts, you can change accounts
I made a mistake in that code line. It should be this instead
du -sh /mnt/user/appdata/*Sorry about that!
EDIT: but, this size is nearly the same size as your cache drive. If you only have Plex installed, it’s my assumption that you do have thumbnail generation turned on. Doing so can take a lot of storage space if you have a large media library