how to design a scalable real-time leaderboard?

hey everyone im workin on a system that needs to show a real-time leaderboard for a game player scores can update often and we need to show the top n players instantly to all connected users ive been thinkin about using redis sorted sets for score storage and websockets for pushin updates but im worried about the write throughput if we have thousands of players updating scores at the same time what do you guys think about scaling this have you faced similar challenges any other database or messaging patterns youd recommend