Watch this talk[0] from Qcon SF November 2010. Ryan King goes into a lot of detail about many nosql implementations at twitter. This is the first time I had hea

Watch this talk[0] from Qcon SF November 2010. Ryan King goes into a lot of detail about many nosql implementations at twitter. This is the first time I had heard about distributed counting by way of Cassandra to implement tweet counts specifically and obviously count other things in general. In particular Cassandra is pointed out as having tremendous write availability to enable this sort of thing. He also mentions various specifics in how the feature is coded/designed and different approaches they had to take until they got a final version. [0]http://www.infoq.com/presentations/NoSQL-at-Twitter-by-Ryan-King http://www.infoq.com/presentations/NoSQL-at-Twitter-by-Ryan-...