Video and slides synchronized, mp3 and slide download available at URL http://bit.ly/1Q9qetS. Emily Green is taking a look at how SoundCloud uses Cassandra. She describes a couple of Cassandra instances, from the point of view of the products and functionality they support, and several different problems SoundCloud has encountered, and how they’ve attempted to overcome them. Filmed at qconlondon.com. Emily Green is a developer from London. She is a little in love with trying to do easy things but at hard scale, and also with Haskell, and her cat Alby. She works as a back-end engineer in the Data Team at SoundCloud.