1. Two-tier ArchitectureReal-time Tier (Couchbase) Detects user intentGives next best recommendation or dealData Bridge (Couchdoop)Batch Tier (Hadoop) Recommends productsUser eventsRecommendations

2. Importing Data{user: Rudy,action: view,product: Fender Guitar}{user: Rudy,action: click,product: Guitar Amplifier} {user: Emma,action: buy,product: Blue Skirt}CouchdoopMachine Learning RecommendationsHadoopIMPORTHDFS 3. {user: Rudy,recommendations: [[Ibanez Acoustic Guitar,450],[Guitar Tuner, 120],[Sound Mixer, 30]]}Exporting DataCouchdoopMachine Learning RecommendationsHadoop 4. {user: Rudy,recommendations: [[Ibanez Acoustic Guitar,450],[Guitar Tuner, 120],[Sound Mixer, 30]]}Updating DataCouchdoopMachine Learning RecommendationsHadoop