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In the video, I explained how Booking.com designed a highly available and performant rating and review service to handle peak traffic of over 10,000 requests per second. I also touched on my system design course, focusing on realworld system building. I discussed the importance of authentic reviews driving decisionmaking and the criticality of a reliable review system for Booking.com. The video delved into the technical aspects of the system, highlighting the use of caching, materialized views, sharding, consistent hashing for routing, and practical node resizing strategies for scalability.

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