One of the most common databases that people compare Aerospike to is Apache Cassandra, a columnar NoSQL database that is great for ingesting and analyzing hundreds of terabytes of data stored on rotational disks. Aerospike is an in-memory, NoSQL database, a key-value store that can run purely in RAM and is also optimized for storing data in Flash (SSDs).
When should one use Aerospike vs. Cassandra? Find out more here.