[jeroiraz]

each transaction may have several entries, in order to gain more performance, it's better to include several entries per transaction. But all the entries in the same transaction are atomically stored.

submitting several transactions at the same time is also possible and convenient, processing is concurrently done until the last step which requires a strict serialization.

benchmarking is a huge topic and we'd love to have contributions on this. It may refer to using embedded immudb, as a stand-alone server, kv, sql, etc....