to-readlist Lecture https://people.eecs.berkeley.edu/~jordan/prelims/ Video scaling Uber's real-time market platform https://www.infoq.com/presentations/uber-market-platform#downloadPdf Uber's Ringpop https://www.youtube.com/watch?v=OQyqJWQHp3g Geohash http://www.cnblogs.com/LBSer/p/3310455.html