Package org.apache.hadoop.hdfs.server.namenode

Examples of org.apache.hadoop.hdfs.server.namenode.NameNode.stop()

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    LOG.info("Shutting down the Mini HDFS Cluster");
    shutdownDataNodes();
    for (NameNodeInfo nnInfo : nameNodes) {
      NameNode nameNode = nnInfo.nameNode;
      if (nameNode != null) {
        nameNode.stop();
        nameNode.join();
        nameNode = null;
      }
    }
  }
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   */
  public synchronized void shutdownNameNode(int nnIndex) {
    NameNode nn = nameNodes[nnIndex].nameNode;
    if (nn != null) {
      LOG.info("Shutting down the namenode");
      nn.stop();
      nn.join();
      Configuration conf = nameNodes[nnIndex].conf;
      nameNodes[nnIndex] = new NameNodeInfo(null, conf);
    }
  }
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    shutdownDataNodes();
    for (NameNodeInfo nnInfo : nameNodes) {
      NameNode nameNode = nnInfo.nameNode;
      if (nameNode != null) {
        nameNode.stop();
        nameNode.join();
        nameNode = null;
      }
    }
  }
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   */
  public synchronized void shutdownNameNode(int nnIndex) {
    NameNode nn = nameNodes[nnIndex].nameNode;
    if (nn != null) {
      LOG.info("Shutting down the namenode");
      nn.stop();
      nn.join();
      Configuration conf = nameNodes[nnIndex].conf;
      nameNodes[nnIndex] = new NameNodeInfo(null, conf);
    }
  }
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    System.out.println("Shutting down the Mini HDFS Cluster");
    shutdownDataNodes(remove);
    for (NameNodeInfo nnInfo : nameNodes) {
      NameNode nameNode = nnInfo.nameNode;
      if (nameNode != null) {
        nameNode.stop();
        nameNode.join();
        nameNode = null;
      }
    }
  }
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   */
  public synchronized void shutdownNameNode(int nnIndex) {
    NameNode nn = nameNodes[nnIndex].nameNode;
    if (nn != null) {
      System.out.println("Shutting down the namenode");
      nn.stop();
      nn.join();
      Configuration conf = nameNodes[nnIndex].conf;
      nameNodes[nnIndex] = new NameNodeInfo(null, conf);
    }
  }
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        .nnTopology(MiniDFSNNTopology.simpleHATopology()).numDataNodes(1)
        .build();
    cluster.transitionToActive(0);
    // stop the standby namenode
    NameNode snn = cluster.getNameNode(1);
    snn.stop();

    hdfs = (DistributedFileSystem) HATestUtil
        .configureFailoverFs(cluster, conf);
    Path dir = new Path("/dir");
    Path subDir = new Path(dir, "sub");
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    shutdownDataNodes();
    for (NameNodeInfo nnInfo : nameNodes) {
      if (nnInfo == null) continue;
      NameNode nameNode = nnInfo.nameNode;
      if (nameNode != null) {
        nameNode.stop();
        nameNode.join();
        nameNode = null;
      }
    }
    if (deleteDfsDir) {
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   */
  public synchronized void shutdownNameNode(int nnIndex) {
    NameNode nn = nameNodes[nnIndex].nameNode;
    if (nn != null) {
      LOG.info("Shutting down the namenode");
      nn.stop();
      nn.join();
      Configuration conf = nameNodes[nnIndex].conf;
      nameNodes[nnIndex] = new NameNodeInfo(null, null, null, null, conf);
    }
  }
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    }
    shutdownDataNodes();
    for (NameNodeInfo nnInfo : nameNodes) {
      NameNode nameNode = nnInfo.nameNode;
      if (nameNode != null) {
        nameNode.stop();
        nameNode.join();
        nameNode = null;
      }
    }
  }
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