Netflix Ditches Kafka and Cassandra for In-Memory Database on Tudum

2025-08-19
Netflix Ditches Kafka and Cassandra for In-Memory Database on Tudum

Netflix's fan website, Tudum, initially used a CQRS architecture with Kafka and Cassandra, but suffered from delays in previewing content updates. To address this, the Netflix team replaced Kafka and Cassandra with RAW Hollow, an internally developed in-memory object store. RAW Hollow's in-memory dataset dramatically improved content preview and page rendering speeds, offering a better experience for both editors and visitors.

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