Spotify's Cassandra Data Model for Playlists that Supports 40,000 Requests Per Second

Spotify users have generated 1 billion+ playlists. At peak usage, over there are over 40,000 requests per second - not to mention support for "offline mode" and concurrent changes. In this excellent talk from C* Summit EU, Jimmy Mardell (Developer, Spotify) gives an overview of Spotify's playlist architecture, the Cassandra data model, and lessons learned working with Cassandra.


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