Examples of org.apache.hadoop.hdfs.MiniDFSCluster.addNameNode()

Class org.apache.hadoop.hdfs.MiniDFSCluster

Examples of org.apache.hadoop.hdfs.MiniDFSCluster.addNameNode()

org.apache.hadoop.hdfs.MiniDFSCluster.addNameNode()
Add a namenode to cluster and start it. Configuration of datanodes in the cluster is refreshed to register with the new namenode. @return newly started namenode

        .build();


      DataNode dn = cluster.getDataNodes().get(0);
      assertEquals(1, dn.getAllBpOs().length);


      cluster.addNameNode(conf, nnPort2);
      assertEquals(2, dn.getAllBpOs().length);


      cluster.addNameNode(conf, nnPort3);
      assertEquals(3, dn.getAllBpOs().length);

View Full Code Here

      assertEquals(1, dn.getAllBpOs().length);


      cluster.addNameNode(conf, nnPort2);
      assertEquals(2, dn.getAllBpOs().length);


      cluster.addNameNode(conf, nnPort3);
      assertEquals(3, dn.getAllBpOs().length);


      cluster.addNameNode(conf, nnPort4);


      // Ensure a BPOfferService in the datanodes corresponds to

View Full Code Here

      assertEquals(2, dn.getAllBpOs().length);


      cluster.addNameNode(conf, nnPort3);
      assertEquals(3, dn.getAllBpOs().length);


      cluster.addNameNode(conf, nnPort4);


      // Ensure a BPOfferService in the datanodes corresponds to
      // a namenode in the cluster
      Set<InetSocketAddress> nnAddrsFromCluster = Sets.newHashSet();
      for (int i = 0; i < 4; i++) {

View Full Code Here

    Assert.assertNotNull(cluster);
    Assert.assertEquals("(1)Should be 2 namenodes", 2, cluster.getNumNameNodes());
    
    // add a node
    
    cluster.addNameNode(conf, MiniDFSCluster.getFreePort());
    Assert.assertEquals("(1)Should be 3 namenodes", 3, cluster.getNumNameNodes());
    cluster.shutdown();
        
    // 2. start with Federation flag set
    conf = new Configuration();

View Full Code Here

    
    Assert.assertNotNull(cluster);
    Assert.assertEquals("(2)Should be 1 namenodes", 1, cluster.getNumNameNodes());
    
    // add a node
    cluster.addNameNode(conf, MiniDFSCluster.getFreePort());   
    Assert.assertEquals("(2)Should be 2 namenodes", 2, cluster.getNumNameNodes());
    cluster.shutdown();
  }
  
  @Test

View Full Code Here

    Assert.assertNotNull(cluster);
    Assert.assertEquals("(2)Should be 1 namenodes", 1, cluster.getNumNameNodes());
    
    // add a node
    try {
      cluster.addNameNode(conf, MiniDFSCluster.getFreePort());
      Assert.fail("shouldn't be able to add another NN to non federated cluster");
    } catch (IOException e) {
      // correct 
      Assert.assertTrue(e.getMessage().startsWith("cannot add namenode"));
      Assert.assertEquals("(3)Should be 1 namenodes", 1, cluster.getNumNameNodes());

View Full Code Here

    try {
      cluster = new MiniDFSCluster(namePorts[0], conf, 1, true, null, 1);
      DataNode dn = cluster.getDataNodes().get(0);
      assertEquals(dn.getAllNamespaceServices().length, 1);
      
      cluster.addNameNode(conf, namePorts[1]);
      assertEquals(dn.getAllNamespaceServices().length, 2);
      
      cluster.addNameNode(conf, namePorts[2]);
      assertEquals(dn.getAllNamespaceServices().length, 3);

View Full Code Here

      assertEquals(dn.getAllNamespaceServices().length, 1);
      
      cluster.addNameNode(conf, namePorts[1]);
      assertEquals(dn.getAllNamespaceServices().length, 2);
      
      cluster.addNameNode(conf, namePorts[2]);
      assertEquals(dn.getAllNamespaceServices().length, 3);
      
      cluster.addNameNode(conf, namePorts[3]);
      assertEquals(dn.getAllNamespaceServices().length, 4);
      int[] nns = null;

View Full Code Here

      assertEquals(dn.getAllNamespaceServices().length, 2);
      
      cluster.addNameNode(conf, namePorts[2]);
      assertEquals(dn.getAllNamespaceServices().length, 3);
      
      cluster.addNameNode(conf, namePorts[3]);
      assertEquals(dn.getAllNamespaceServices().length, 4);
      int[] nns = null;
      nns = new int[]{0, 1, 2, 3};
      compareAddress(cluster, dn, nns);
      nns = new int[]{0, 1};

View Full Code Here

0 1 2 3 4 5

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.