Google system design interview: Design Spotify (with ex-Google EM)

Summary

The video discusses the design of Spotify in a Google system design interview. The importance of asking specific and targeted clarification questions is highlighted. High-level metrics for designing Spotify, such as the amount of data involved, are estimated. The high-level components of a Spotify-like app are discussed, focusing on data, metadata, and user data. The design of the database for Spotify, including a song audio database and a metadata database, is explained. Use cases for finding and playing music on the Spotify app are discussed. The use of a content delivery network (CDN) and caching to reduce bottlenecks is suggested. The importance of load balancing and cache management is emphasized. The conclusion emphasizes the importance of replication in the Spotify system design. The speaker expresses relief and satisfaction after completing the interview and invites feedback.

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