the former, but also see http://issues.apache.org/jira/browse/CASSANDRA-1530
On Wed, Oct 6, 2010 at 9:22 PM, MK <stardust...@gmail.com> wrote: > Say I have a cluster of N nodes and I have started all the nodes with > a replication factor of N. So effectively all data is being mirrored > everywhere. > > Now, when I write to a node, how does this data get propagated to the > remaining N-1 nodes. > > 1) Does this one origin node do N-1 network operations to send the data off > 2) or does the data replication happen in some special distributed > manner (say origin node writes it to its neigbhors who further write > it to their neighbors and so on ) > > I need to know this because I am thinking about what happens when say > the link between two datacenters is down. > > Regards, > MK > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com