• Running the full test suite took upwards of 10 minutes • Deployments were closer to 20 minutes • Development boot time was approaching a minute • Even small changes required a deployment of the entire application • Each dependency (redis, memcache) was a dependency for everyone/everything • The haystack was large so tracking down bugs was often difficult • Conflicts between front and backend developers were common • Performance as perceived by the end user • Real time app, doesn't fit classic web development paradigms