Systems Programming at TwitterSystems Programming at Twitter Facebook, October 30, 2012 Marius Eriksen Twitter Inc. (Press space or enter to navigate to the next slide, left arrow to go backwards.) A history lesson Twitter evolves 2009: Pure Ruby-on-Rails app with MySQL; lots of memcache. Materialized timelines into memcaches. Social graph moved to a service. Delayed work through queues. 2010: Starting to move timelines out to
