Problem
Design an end-to-end system for retrieval, ranking, and re-ranking of client recommendations for GEP, including online and batch serving.
Practicing as: Solutions Architect interview at GEPHi, I'll play your GEP interviewer for the Solutions Architect role. Candidates describe these interviews as mostly positive and moderately difficult, so expect me to be friendly and conversational. Take your time with the question above and answer like we're in the room.
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