By default all data for a keyspace, and it's CFs, are spread out over all nodes in the cluster.
If you want to see which endpoints have data for a particular key there is an operation on the o.a.c.db.StorageService MBean you can use via JConsole. Some (out of date) docs here may help http://wiki.apache.org/cassandra/JmxInterface#org.apache.cassandra.service.StorageService.Operations.getNaturalEndpoints Lots of articles here http://wiki.apache.org/cassandra/ArticlesAndPresentations Aaron On 15 Apr 2011, at 04:32, tinhuty he wrote: > I just started 5 nodes in a cluster and set a replica factor of 3 on a > keyspace ks. My question is how do I know which 3 nodes will contain the data > of this keyspace(or particular column family in this keyspace)? > > I often read that “use a separate column family for storing our indexes”, > here is link for > that(http://www.datastax.com/docs/0.7/data_model/cfs_as_indexes), but it > doesn’t have more details. Could some one point me to more detailed > documentation and samples for this? > > Thanks >
