I'm guessing, since the DB is just a torrent, you can check if it's complete. In fact if you check the gif in the post, you can see after the DB's name, it show

I'm guessing, since the DB is just a torrent, you can check if it's complete. In fact if you check the gif in the post, you can see after the DB's name, it shows how much % it downloaded. So, there's your answer. When you get to 3 digits, you could be sure that no new results are going to show up. (I think...)