Transmission

Anyone tested limits of Transmission? I'm interested at how many active torrents I can expect issues. I'm currently spread across 3 docker instances but maybe I don't need to be or maybe I should be spinning the fourth? The largest instance is approaching 5000 torrents for example and I have no clue...

So I'm running few instances of transmission and would like to shift some files from one to the other, I know the torrent files exist in the config directory but with random IDs. Is there any way or a script that already exists to export a torrent file for a specific torrent? Ideally I'd like to be ...