How Apple Stores Billions of Data in iCloud
Oct 22, 2024•11 min•Season 1Ep. 14
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Summary
Explore the engineering marvel behind Apple's iCloud, detailing its evolution from a massive Cassandra deployment to an architecture powered by FoundationDB. The discussion highlights how Apple overcame Cassandra's limitations regarding real-time collaboration and partition constraints. Learn about the ingenious FoundationDB Record Layer, its role in enabling multi-tenancy and per-user databases, and Apple's strategies for mitigating FoundationDB's latency through asynchronous processing. The episode concludes with crucial takeaways on scalability, stateless design, and robust conflict resolution.Episode description
In this episode, we'll explore the intricate system and architecture design behind Apple's iCloud. We'll break down how Apple seamlessly handles billions of users by combining Cassandra and FoundationDB to power iCloud's backbone. What prompted Apple to shift from Cassandra to FoundationDB, and how does this choice impact scalability and performance? Get a closer look at the architecture that makes iCloud tick, and discover how it enables such a smooth user experience. The surprising reason behind Apple’s tech pivot might just change the way you think about designing cloud storage systems.
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