Keyspace is the outermost container for data in Cassandra. The basic attributes of a keyspace in
Cassandra are as follows.
•Replication factor: It is the number of machines in the cluster that will receive copies of the
same data.
•Replica placement strategy: It is nothing but the strategy to place replicas in the ring.
Wehave strategies such as simple strategy (rack-aware strategy), old network topology strat-
egy (rack-aware strategy) and network topology strategy (data centre-shared strategy).
•Column families: Keyspace is a container for a list of one or more column families. ...
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