From the FAQ: "When is Datomic not a good fit? Datomic is not a good fit if you need unlimited write scalability, or have data with a high update churn rate (e

From the FAQ: "When is Datomic not a good fit? Datomic is not a good fit if you need unlimited write scalability, or have data with a high update churn rate (e.g. counters). And, at present, Datomic does not have support for BLOBs." I agree Datomic is far more than a write log but in the context of this thread, the discussion was about write logs.