code: private void displayClusterInfo() {
          Metadata metadata = m_cluster.getMetadata();
          m_logger.info("Connected to cluster with topography:");
          RoundRobinPolicy policy = new RoundRobinPolicy();
          for (Host host : metadata.getAllHosts()) {
              m_logger.info("   Host {}: datacenter: {}, rack: {}, distance: {}",
                            new Object[]{host.getAddress(), host.getDatacenter(), 
                  host.getRack(), policy.distance(host)});
          }
          m_logger.info("Database contains {} keyspaces", metadata.getKeyspaces().size());
      }
docs: Display configuration information for the given cluster.