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by stuarthalloway 2930 days ago
That depends on what queries the peer runs. In both On-Prem and Cloud, Datomic maintains an in-memory LRU object cache. Also, you can send queries with different working sets to different processes without having to shard data on ingest. For example, some peers might handle queries related to user transactions while other peers handle analytic or batch work.

See also https://docs.datomic.com/cloud/operation/caching.html.