Examples of datanodeReport()

Examples of org.apache.hadoop.hdfs.DFSClient.datanodeReport()

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  }
 
  private String decommissionOneNode() throws IOException {
   
    DFSClient client = ((DistributedFileSystem)fileSys).getClient();
    DatanodeInfo[] info = client.datanodeReport(DatanodeReportType.LIVE);

    int index = 0;
    boolean found = false;
    while (!found) {
      index = rand.nextInt(info.length);
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Examples of org.apache.hadoop.hdfs.DFSClient.datanodeReport()

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  @Test
  public void testDecommissionStatus() throws IOException, InterruptedException {
    InetSocketAddress addr = new InetSocketAddress("localhost", cluster
        .getNameNodePort());
    DFSClient client = new DFSClient(addr, conf);
    DatanodeInfo[] info = client.datanodeReport(DatanodeReportType.LIVE);
    assertEquals("Number of Datanodes ", 2, info.length);
    DistributedFileSystem fileSys = cluster.getFileSystem();
    DFSAdmin admin = new DFSAdmin(cluster.getConfiguration(0));

    short replicas = 2;
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Examples of org.apache.hadoop.hdfs.DFSClient.datanodeReport()

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      // add a fourth datanode to the cluster
      cluster.startDataNodes(CONF, 1, true, null, NEW_RACKS);
      cluster.waitActive();
     
      DatanodeInfo[] datanodes = client.datanodeReport(DatanodeReportType.ALL);

      // find out the new node
      DatanodeInfo newNode=null;
      for(DatanodeInfo node:datanodes) {
        Boolean isNewNode = true;
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Examples of org.apache.hadoop.hdfs.DFSClient.datanodeReport()

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      // add a new datanode to the cluster
      cluster.startDataNodes(CONF, 1, true, null, NEW_RACKS);
      cluster.waitActive();
     
      DatanodeInfo[] datanodes = client.datanodeReport(DatanodeReportType.ALL);

      // find out the new node
      DatanodeInfo newNode=null;
      for(DatanodeInfo node:datanodes) {
        Boolean isNewNode = true;
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Examples of org.apache.hadoop.hdfs.DFSClient.datanodeReport()

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      // add a fourth datanode to the cluster
      cluster.startDataNodes(CONF, 1, true, null, NEW_RACKS);
      cluster.waitActive();
     
      DatanodeInfo[] datanodes = client.datanodeReport(DatanodeReportType.ALL);

      // find out the new node
      DatanodeInfo newNode=null;
      for(DatanodeInfo node:datanodes) {
        Boolean isNewNode = true;
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Examples of org.apache.hadoop.hdfs.DFSClient.datanodeReport()

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      // add a new datanode to the cluster
      cluster.startDataNodes(CONF, 1, true, null, NEW_RACKS);
      cluster.waitActive();
     
      DatanodeInfo[] datanodes = client.datanodeReport(DatanodeReportType.ALL);

      // find out the new node
      DatanodeInfo newNode=null;
      for(DatanodeInfo node:datanodes) {
        Boolean isNewNode = true;
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Examples of org.apache.hadoop.hdfs.DFSClient.datanodeReport()

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   */
  public int printTopology() throws IOException {
    if (fs instanceof DistributedFileSystem) {
      DistributedFileSystem dfs = (DistributedFileSystem)fs;
      DFSClient client = dfs.getClient();
      DatanodeInfo[] report = client.datanodeReport(DatanodeReportType.ALL);
     
      // Build a map of rack -> nodes from the datanode report
      HashMap<String, TreeSet<String> > tree = new HashMap<String, TreeSet<String>>();
      for(DatanodeInfo dni : report) {
        String location = dni.getNetworkLocation();
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Examples of org.apache.hadoop.hdfs.DFSClient.datanodeReport()

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      // add a new datanode to the cluster
      cluster.startDataNodes(CONF, 1, true, null, NEW_RACKS);
      cluster.waitActive();
     
      DatanodeInfo[] datanodes = client.datanodeReport(DatanodeReportType.ALL);

      // find out the new node
      DatanodeInfo newNode=null;
      for(DatanodeInfo node:datanodes) {
        Boolean isNewNode = true;
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Examples of org.apache.hadoop.hdfs.DFSClient.datanodeReport()

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      // Restart datanodes
      cluster.restartDataNodes();

      // Wait until we get a heartbeat from the new datanode
      DatanodeInfo[] report = client.datanodeReport(DatanodeReportType.ALL);
      long firstUpdateAfterRestart = report[0].getLastUpdate();

      boolean gotHeartbeat = false;
      for (int i = 0; i < 10 && !gotHeartbeat; i++) {
        try {
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Examples of org.apache.hadoop.hdfs.DFSClient.datanodeReport()

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      for (int i = 0; i < 10 && !gotHeartbeat; i++) {
        try {
          Thread.sleep(i*1000);
        } catch (InterruptedException ie) {}

        report = client.datanodeReport(DatanodeReportType.ALL);
        gotHeartbeat = (report[0].getLastUpdate() > firstUpdateAfterRestart);
      }
      if (!gotHeartbeat) {
        fail("Never got a heartbeat from restarted datanode.");
      }
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