Package org.apache.hadoop.hdfs

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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  @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);
    FileSystem fileSys = cluster.getFileSystem();

    short replicas = 2;
    //
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      // create test files
      int numFiles = 4;
      long blockSize = 1024L;
      String parentDir = "/dir/";
      DFSClient client = getDfsClient(cluster.getNameNode(), conf);
      DatanodeInfo[] infos = client.datanodeReport(DatanodeReportType.LIVE);
      ArrayList<String> rack2nodes = new ArrayList<String>();
      ArrayList<DatanodeInfo> rack2di = new ArrayList<DatanodeInfo>();
      for (DatanodeInfo di: infos) {
        if (di.getHostName().contains("rack2")) {
          rack2nodes.add(di.getName());
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      cluster.waitActive();
      for (DataNode dn: cluster.getDataNodes()) {
        dn.useInlineChecksum = false;
      }
     
      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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