On Fri, Apr 8, 2011 at 12:17 PM, Patrick Julien <pjul...@gmail.com> wrote: > The problem is this: we would like the historical data from Tokyo to > stay in Tokyo and only be replicated to New York. The one in London > to be in London and only be replicated to New York and so on for all > data centers. > > Is this currently possible with Cassandra? I believe we would need to > run multiple clusters and migrate data manually from data centers to > North America to achieve this. Also, any suggestions would also be > welcomed.
NetworkTopologyStrategy allows configuration replicas per-keyspace, per-datacenter: http://www.datastax.com/dev/blog/deploying-cassandra-across-multiple-data-centers -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
