Netflix's Viewing Data: How We Know Where You Are in House of Cards

The Netflix Tech Blog: Over the past 7 years, Netflix streaming has expanded from thousands of members watching occasionally to millions of members watching over two billion hours every month. Each time a member starts to watch a movie or TV episode, a view is created in our data systems and a collection of events describing that view is gathered. Given that viewing is what members spend most of their time doing on Netflix, having a robust and scalable architecture to manage and process this data is critical to the success of our business. In this post we%u2019ll describe what works and what breaks in an architecture that processes billions of viewing-related events per day.

http://techblog.netflix.com/2015/01/netflixs-viewing-data-how-we-know-where.html

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