PowerExchange for Cassandra User Guide

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Load Balancing Policy

You can use PowerExchange for Cassandra to specify the host to which Cassandra driver must connect or ignore while establishing the connection.

You can select one of the following load balancing policies:

DC Aware: Indicates that nodes of the local data center that the driver must query before any other node from other data centers in a round-robin fashion.
Round Robin: Indicates that each time a driver executes a query, the driver returns hosts, and shifts each query in a round-robin fashion.