Random commentary about Machine Learning, BigData, Spark, Deep Learning, C++, STL, Boost, Perl, Python, Algorithms, Problem Solving and Web Search
Friday, December 10, 2010
Facebook data store
I used this in my interviews, now not anymore. Device an infrastructure for storing data in Facebook. There are 500M users and let's assume the average number of friends is 100. Each user can post a message, or can read all the fresh messages produced by her friends.