See conference video - http://www.lucidimagination.com/devzone/events/conferences/revolution/2011
This talk will be focused on the architecture, scalability concerns, performance bottlenecks,
operational characteristics and lessons learned while designing and implementing Yammer
distributed real-time search system. Yammer is an enterprise social network SaaS offering with over
100,000 networks (including 85% of the Fortune 100) and nearly 2 million users. The search system
we developed scales well up to 1B messages and serves a foundation of knowledge base analysis
services Yammer is developing.