I assume you are talking about nodes, rather than replicas. The data distribution over ring depends on Partitioner and Replica placement strategy you use. If you are using Random Partitioner and Simple Strategy, your data will be automatically distributed over the nodes in the ring.
maki On 2012/04/05, at 12:31, zhiming shen <zhiming.s...@gmail.com> wrote: > Hi, > > Can any one tell me whether Cassandra can do load balancing across replicas? > How to configure it for this purpose? Thanks very much. > > > Best Regards, > > Zhiming