Monthly Archives: February 2011

How we found the rudest cities in the world – Analytics @ foursquare

With over 400 million check-ins in the last year, it’s safe to say that our servers log a lot of data. We use that data to do a lot of interesting analysis, from finding the most popular local bars in any … Continue reading

MongoDB strategies for the disk-averse

Behind the scenes at foursquare, we have a lot of data collection efforts that present interesting scaling puzzles. One is the venue metrics system, which allows business owners to get information about checkins to their venue over time. It lets … Continue reading