reddit

“Programmers like to talk about scaling and performance. They talk about how they made things faster, how some app somewhere is hosted on some large number of machines, how they can parallelize some task, and so on. They particularly like to talk about techniques used by monster sites like Yahoo, Twitter, Flickr, etc. Things like federation, sharding, and so on come up regularly, along with talk of MogileFS, memcached, and job queues.” source...