[ggreer]

Twitter's engineering blog posted about this phenomenon last year.[1] It's not as in-depth as I'd like, but it does contain some technical/architectural details about how they scaled to deal with such high traffic.

1. https://blog.twitter.com/2013/new-tweets-per-second-record-a...

[ufmace]

That's a far better description of what happened and the result than the original linked article.