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Aerospike (database) - Wikipediahttps://en.wikipedia.org/wiki/Aerospike_(database)
Cassandra: Distributed key-value store optimized for write-heavy workloads | by Ameya | Coinmonks | Mediumhttps://medium.com/coinmonks/cassandra-distributed-key-value-store-optimized-for-write-heavy-workloads-77f69c01388c
FoundationDB - Wikipediahttps://en.wikipedia.org/wiki/FoundationDB
LevelDB - Wikipediahttps://en.wikipedia.org/wiki/LevelDB
RocksDB - Wikipediahttps://en.wikipedia.org/wiki/RocksDB
cql - Can we use Cassandra as a Key-Value Store? - Stack Overflowhttps://stackoverflow.com/questions/49280189/can-we-use-cassandra-as-a-key-value-store