Maybe include nodetool status here? Are the four nodes serving reads in one DC (local to your driver's config) while the others are in another?
On Tue, Apr 12, 2016, 1:01 AM Anishek Agarwal <anis...@gmail.com> wrote: > hello, > > we have 8 nodes in one cluster and attached is the traffic patterns across > the nodes. > > its very surprising that only 4 nodes show transmitting (purple) packets. > > our driver configuration on clients has the following load balancing > configuration : > > new TokenAwarePolicy( > new > DCAwareRoundRobinPolicy(configuration.get(Constants.LOCAL_DATA_CENTRE_NAME, > "WDC")), > true) > > > any idea what is that we are missing which is leading to this skewed data > read patterns > > cassandra drivers as below: > > <dependency> > <groupId>com.datastax.cassandra</groupId> > <artifactId>cassandra-driver-core</artifactId> > <version>2.1.6</version> > </dependency> > <dependency> > <groupId>com.datastax.cassandra</groupId> > <artifactId>cassandra-driver-mapping</artifactId> > <version>2.1.6</version> > </dependency> > > cassandra version is 2.0.17 > > Thanks in advance for the help. > > Anishek > >
