cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From aaron morton <>
Subject Re: which nodes contain the data? column family as indexes?
Date Thu, 14 Apr 2011 20:22:10 GMT
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 Some (out of date) docs here may

Lots of articles here


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(, but it doesn’t
have more details. Could some one point me to more detailed documentation and samples for
> Thanks

View raw message