You can read the article: Ready To Kill Some Time (And Some Enemies)? Try Duels.com
This has resulted in a huge influx of traffic that has caused some server hiccups for us. I think we’ve managed to tweak things enough that they running smoothly (although more slowly than we would like). I’m hopeful we can get some additional servers up today, but that is not entirely within our control.
I do this: Open/Challenge in tabbed browser all Players on same level and one below. Very convenient, and probably generating massive load spikes.
Since there is no pacing/time limitation at all, players can and will really stress the app and database.
I’m really curious how you will be able to handle this.