you need to specify per-DC replicas w/ NTS in strategy_options, instead of using replication_factor
On Thu, Mar 3, 2011 at 1:52 PM, A J <s5a...@gmail.com> wrote: > using latest cassandra (0.7.2). I want to try out Network Topology Strategy. > > Following is related setting in cassandra.yaml > endpoint_snitch: org.apache.cassandra.locator.PropertyFileSnitch > > I have four nodes. Set them accordingly in > ./conf/cassandra-topology.properties: > 10.252.219.224=DC2:RAC1 > 10.252.10.64=DC2:RAC1 > 10.252.11.32=DC1:RAC1 > 10.220.103.98=DC1:RAC1 > > > I create a ks as: > create keyspace ks1 with replication_factor=1 and > placement_strategy='org.apache.cassandra.locator.NetworkTopologyStrategy'; > > When I try to insert, get the following error: > set cf1['A']['c1']='xyz'; > ERROR 19:21:58,081 Internal error processing insert > java.lang.AssertionError: invalid response count 1 for replication factor 0 > > > Please suggest what could be going on ? cassandra-topology.properties > has two DCs. Why am I still getting the error ? > > Thanks for any suggestions. > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
