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We're storing those in-memory within the Rama modules materializing the home timelines. And the query topologies that refresh home timelines for lost partitions is colocated with that. This is dramatically simpler than operating a separate in-memory database, and Rama has everything to do with that.

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It appears simpler and better without Rama.

> So instead of having to do network operations, serialization, and deserialization, the reads and writes to home timelines in our implementation are literally just in-memory operations on a hash map. This is dramatically simpler and more efficient than operating a separate in-memory database.

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