Brian Karrer

How Does Facebook Handle Graph Search Queries In A Timely Fashion?

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How is Facebook able to quickly process the sort of queries about users and their friends generated by features such as Graph Search, despite the fact that the relevant data may be stored on several different servers? Software Engineers Alessandro Presta and Alon Shalita offered an example of how the social network uses graph-processing system Apache Giraph to handle those tasks in a post on its engineering blog.

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Mediabistro Course

Applied Web Analytics

Applied Web Analytics Starting July 22, learn a deeper knowledge of traditional web analytics measurement for online marketing and advertising and other digital tools including media and mobile devices. You'll learn how to select key performance indicators to measure your website, set goals and produce results, integrate analytic efforts into your marketing strategy and more. Register now!

STUDY: One-Third Of Facebook Users’ Friends See Their Posts, On Average

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The reach achieved by posts from Facebook pages has been the hot topic of late, with reporter Nick Bilton of The New York Times helping to bring the issue to the forefront. But how many of Facebook users’ friends actually see their posts, on average? About one-third, according to a study by the Facebook Data Science Team and the human-computer interaction group at Stanford University’s computer science department.

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