@Test
public void testConnect() throws IOException {
LOG.info("Staring TestHL040: connecting to the HDFSCluster ");
LOG.info("================ Getting namenode info ================");
NNClient dfsMaster = cluster.getNNClient();
LOG.info("Process info of namenode " + dfsMaster.getHostName() + " is: " +
dfsMaster.getProcessInfo());
LOG.info("================ Getting datanode info ================");
Collection<DNClient> clients = cluster.getDNClients();
for (DNClient dnC : clients) {
LOG.info("Process info of datanode " + dnC.getHostName() + " is: " +
dnC.getProcessInfo());