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Java DNS.getDefaultIP方法代碼示例

本文整理匯總了Java中org.apache.hadoop.net.DNS.getDefaultIP方法的典型用法代碼示例。如果您正苦於以下問題：Java DNS.getDefaultIP方法的具體用法？Java DNS.getDefaultIP怎麽用？Java DNS.getDefaultIP使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.hadoop.net.DNS的用法示例。


在下文中一共展示了DNS.getDefaultIP方法的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: register

import org.apache.hadoop.net.DNS; //導入方法依賴的package包/類
void register() throws IOException {
  // get versions from the namenode
  nsInfo = nameNodeProto.versionRequest();
  dnRegistration = new DatanodeRegistration(
      new DatanodeID(DNS.getDefaultIP("default"),
          DNS.getDefaultHost("default", "default"),
          DataNode.generateUuid(), getNodePort(dnIdx),
          DFSConfigKeys.DFS_DATANODE_HTTP_DEFAULT_PORT,
          DFSConfigKeys.DFS_DATANODE_HTTPS_DEFAULT_PORT,
          DFSConfigKeys.DFS_DATANODE_IPC_DEFAULT_PORT),
      new DataStorage(nsInfo),
      new ExportedBlockKeys(), VersionInfo.getVersion());
  // register datanode
  dnRegistration = nameNodeProto.registerDatanode(dnRegistration);
  //first block reports
  storage = new DatanodeStorage(DatanodeStorage.generateUuid());
  final StorageBlockReport[] reports = {
      new StorageBlockReport(storage, BlockListAsLongs.EMPTY)
  };
  nameNodeProto.blockReport(dnRegistration, 
      nameNode.getNamesystem().getBlockPoolId(), reports,
          new BlockReportContext(1, 0, System.nanoTime()));
}
開發者ID:naver，項目名稱:hadoop，代碼行數:24，代碼來源:NNThroughputBenchmark.java

示例2: register

import org.apache.hadoop.net.DNS; //導入方法依賴的package包/類
void register() throws IOException {
  // get versions from the namenode
  nsInfo = nameNodeProto.versionRequest();
  dnRegistration = new DatanodeRegistration(
      new DatanodeID(DNS.getDefaultIP("default"),
          DNS.getDefaultHost("default", "default"),
          DataNode.generateUuid(), getNodePort(dnIdx),
          DFSConfigKeys.DFS_DATANODE_HTTP_DEFAULT_PORT,
          DFSConfigKeys.DFS_DATANODE_HTTPS_DEFAULT_PORT,
          DFSConfigKeys.DFS_DATANODE_IPC_DEFAULT_PORT),
      new DataStorage(nsInfo),
      new ExportedBlockKeys(), VersionInfo.getVersion());
  // register datanode
  dnRegistration = dataNodeProto.registerDatanode(dnRegistration);
  dnRegistration.setNamespaceInfo(nsInfo);
  //first block reports
  storage = new DatanodeStorage(DatanodeStorage.generateUuid());
  final StorageBlockReport[] reports = {
      new StorageBlockReport(storage, BlockListAsLongs.EMPTY)
  };
  dataNodeProto.blockReport(dnRegistration, bpid, reports,
          new BlockReportContext(1, 0, System.nanoTime(), 0L));
}
開發者ID:aliyun-beta，項目名稱:aliyun-oss-hadoop-fs，代碼行數:24，代碼來源:NNThroughputBenchmark.java

示例3: register

import org.apache.hadoop.net.DNS; //導入方法依賴的package包/類
void register() throws IOException {
  // get versions from the namenode
  nsInfo = nameNodeProto.versionRequest();
  dnRegistration = new DatanodeRegistration(
      new DatanodeID(DNS.getDefaultIP("default"),
          DNS.getDefaultHost("default", "default"),
          DataNode.generateUuid(), getNodePort(dnIdx),
          DFSConfigKeys.DFS_DATANODE_HTTP_DEFAULT_PORT,
          DFSConfigKeys.DFS_DATANODE_HTTPS_DEFAULT_PORT,
          DFSConfigKeys.DFS_DATANODE_IPC_DEFAULT_PORT),
      new DataStorage(nsInfo),
      new ExportedBlockKeys(), VersionInfo.getVersion());
  // register datanode
  dnRegistration = nameNodeProto.registerDatanode(dnRegistration);
  //first block reports
  storage = new DatanodeStorage(DatanodeStorage.generateUuid());
  final StorageBlockReport[] reports = {
      new StorageBlockReport(storage,
          new BlockListAsLongs(null, null).getBlockListAsLongs())
  };
  nameNodeProto.blockReport(dnRegistration, 
      nameNode.getNamesystem().getBlockPoolId(), reports,
          new BlockReportContext(1, 0, System.nanoTime()));
}
開發者ID:Nextzero，項目名稱:hadoop-2.6.0-cdh5.4.3，代碼行數:25，代碼來源:NNThroughputBenchmark.java

示例4: getUniqueRackPrefix

import org.apache.hadoop.net.DNS; //導入方法依賴的package包/類
static private String getUniqueRackPrefix() {

  String ip = "unknownIP";
  try {
    ip = DNS.getDefaultIP("default");
  } catch (UnknownHostException ignored) {
    System.out.println("Could not find ip address of \"default\" inteface.");
  }
  
  int rand = 0;
  try {
    rand = SecureRandom.getInstance("SHA1PRNG").nextInt(Integer.MAX_VALUE);
  } catch (NoSuchAlgorithmException e) {
    rand = (new Random()).nextInt(Integer.MAX_VALUE);
  }
  return "/Rack-" + rand + "-"+ ip  + "-" + 
                    System.currentTimeMillis();
}
開發者ID:rhli，項目名稱:hadoop-EAR，代碼行數:19，代碼來源:DataNodeCluster.java

示例5: createNewStorageId

import org.apache.hadoop.net.DNS; //導入方法依賴的package包/類
public static String createNewStorageId(int port) {
  /* Return 
   * "DS-randInt-ipaddr-currentTimeMillis"
   * It is considered extermely rare for all these numbers to match
   * on a different machine accidentally for the following 
   * a) SecureRandom(INT_MAX) is pretty much random (1 in 2 billion), and
   * b) Good chance ip address would be different, and
   * c) Even on the same machine, Datanode is designed to use different ports.
   * d) Good chance that these are started at different times.
   * For a confict to occur all the 4 above have to match!.
   * The format of this string can be changed anytime in future without
   * affecting its functionality.
   */
  String ip = "unknownIP";
  try {
    ip = DNS.getDefaultIP("default");
  } catch (UnknownHostException ignored) {
    LOG.warn("Could not find ip address of \"default\" inteface.");
  }

  int rand = getSecureRandom().nextInt(Integer.MAX_VALUE);
  return "DS-" + rand + "-"+ ip + "-" + port + "-" + 
                    System.currentTimeMillis();
}
開發者ID:rhli，項目名稱:hadoop-EAR，代碼行數:25，代碼來源:DataNode.java

示例6: createNewStorageId

import org.apache.hadoop.net.DNS; //導入方法依賴的package包/類
/**
 * @return a unique storage ID of form "DS-randInt-ipaddr-port-timestamp"
 */
static String createNewStorageId(int port) {
  // It is unlikely that we will create a non-unique storage ID
  // for the following reasons:
  // a) SecureRandom is a cryptographically strong random number generator
  // b) IP addresses will likely differ on different hosts
  // c) DataNode xfer ports will differ on the same host
  // d) StorageIDs will likely be generated at different times (in ms)
  // A conflict requires that all four conditions are violated.
  // NB: The format of this string can be changed in the future without
  // requiring that old SotrageIDs be updated.
  String ip = "unknownIP";
  try {
    ip = DNS.getDefaultIP("default");
  } catch (UnknownHostException ignored) {
    LOG.warn("Could not find an IP address for the \"default\" inteface.");
  }
  int rand = DFSUtil.getSecureRandom().nextInt(Integer.MAX_VALUE);
  return "DS-" + rand + "-" + ip + "-" + port + "-" + Time.now();
}
開發者ID:ict-carch，項目名稱:hadoop-plus，代碼行數:23，代碼來源:DataNode.java

示例7: register

import org.apache.hadoop.net.DNS; //導入方法依賴的package包/類
void register() throws IOException {
  // get versions from the namenode
  nsInfo = nameNodeProto.versionRequest();
  dnRegistration = new DatanodeRegistration(
      new DatanodeID(DNS.getDefaultIP("default"),
          DNS.getDefaultHost("default", "default"),
          "", getNodePort(dnIdx),
          DFSConfigKeys.DFS_DATANODE_HTTP_DEFAULT_PORT,
          DFSConfigKeys.DFS_DATANODE_IPC_DEFAULT_PORT),
      new DataStorage(nsInfo, ""),
      new ExportedBlockKeys(), VersionInfo.getVersion());
  DataNode.setNewStorageID(dnRegistration);
  // register datanode
  dnRegistration = nameNodeProto.registerDatanode(dnRegistration);
  //first block reports
  storage = new DatanodeStorage(dnRegistration.getStorageID());
  final StorageBlockReport[] reports = {
      new StorageBlockReport(storage,
          new BlockListAsLongs(null, null).getBlockListAsLongs())
  };
  nameNodeProto.blockReport(dnRegistration, 
      nameNode.getNamesystem().getBlockPoolId(), reports);
}
開發者ID:ict-carch，項目名稱:hadoop-plus，代碼行數:24，代碼來源:NNThroughputBenchmark.java

示例8: register

import org.apache.hadoop.net.DNS; //導入方法依賴的package包/類
void register() throws IOException {
  // get versions from the namenode
  nsInfo = nameNodeProto.versionRequest();
  dnRegistration = new DatanodeRegistration(
      new DatanodeID(DNS.getDefaultIP("default"),
          DNS.getDefaultHost("default", "default"),
          DataNode.generateUuid(), getNodePort(dnIdx),
          DFSConfigKeys.DFS_DATANODE_HTTP_DEFAULT_PORT,
          DFSConfigKeys.DFS_DATANODE_HTTPS_DEFAULT_PORT,
          DFSConfigKeys.DFS_DATANODE_IPC_DEFAULT_PORT),
      new DataStorage(nsInfo),
      new ExportedBlockKeys(), VersionInfo.getVersion());
  // register datanode
  dnRegistration = nameNodeProto.registerDatanode(dnRegistration);
  //first block reports
  storage = new DatanodeStorage(DatanodeStorage.generateUuid());
  final StorageBlockReport[] reports = {
      new StorageBlockReport(storage,
          new BlockListAsLongs(null, null).getBlockListAsLongs())
  };
  nameNodeProto.blockReport(dnRegistration, 
      nameNode.getNamesystem().getBlockPoolId(), reports);
}
開發者ID:yncxcw，項目名稱:FlexMap，代碼行數:24，代碼來源:NNThroughputBenchmark.java

示例9: register

import org.apache.hadoop.net.DNS; //導入方法依賴的package包/類
void register() throws IOException {
  // get versions from the namenode
  nsInfo = nameNodeProto.versionRequest();
  dnRegistration = new DatanodeRegistration(
      new DatanodeID(DNS.getDefaultIP("default"),
          DNS.getDefaultHost("default", "default"), "", getNodePort(dnIdx),
          DFSConfigKeys.DFS_DATANODE_HTTP_DEFAULT_PORT,
          DFSConfigKeys.DFS_DATANODE_IPC_DEFAULT_PORT),
      new DataStorage(nsInfo, ""), new ExportedBlockKeys(),
      VersionInfo.getVersion());
  DataNode.setNewStorageID(dnRegistration);
  // register datanode
  dnRegistration = nameNodeProto.registerDatanode(dnRegistration);
  //first block reports
  storage = new DatanodeStorage(dnRegistration.getStorageID());
  final StorageBlockReport[] reports = {new StorageBlockReport(storage,
      BlockReport.builder(NUM_BUCKETS).build())};
  nameNodeProto.blockReport(dnRegistration,
      nameNode.getNamesystem().getBlockPoolId(), reports);
}
開發者ID:hopshadoop，項目名稱:hops，代碼行數:21，代碼來源:NNThroughputBenchmark.java

示例10: register

import org.apache.hadoop.net.DNS; //導入方法依賴的package包/類
void register() throws IOException {
  // get versions from the namenode
  nsInfo = nameNodeProto.versionRequest();
  dnRegistration = new DatanodeRegistration(
      new DatanodeID(DNS.getDefaultIP("default"),
          DNS.getDefaultHost("default", "default"),
          "", getNodePort(dnIdx),
          DFSConfigKeys.DFS_DATANODE_HTTP_DEFAULT_PORT,
          DFSConfigKeys.DFS_DATANODE_HTTPS_DEFAULT_PORT,
          DFSConfigKeys.DFS_DATANODE_IPC_DEFAULT_PORT),
      new DataStorage(nsInfo, ""),
      new ExportedBlockKeys(), VersionInfo.getVersion());
  DataNode.setNewStorageID(dnRegistration);
  // register datanode
  dnRegistration = nameNodeProto.registerDatanode(dnRegistration);
  //first block reports
  storage = new DatanodeStorage(dnRegistration.getStorageID());
  final StorageBlockReport[] reports = {
      new StorageBlockReport(storage,
          new BlockListAsLongs(null, null).getBlockListAsLongs())
  };
  nameNodeProto.blockReport(dnRegistration, 
      nameNode.getNamesystem().getBlockPoolId(), reports);
}
開發者ID:chendave，項目名稱:hadoop-TCP，代碼行數:25，代碼來源:NNThroughputBenchmark.java

示例11: newBlockPoolID

import org.apache.hadoop.net.DNS; //導入方法依賴的package包/類
/**
 * Generate new blockpoolID.
 * 
 * @return new blockpoolID
 */ 
static String newBlockPoolID() throws UnknownHostException{
  String ip = "unknownIP";
  try {
    ip = DNS.getDefaultIP("default");
  } catch (UnknownHostException e) {
    LOG.warn("Could not find ip address of \"default\" inteface.");
    throw e;
  }
  
  int rand = DFSUtil.getSecureRandom().nextInt(Integer.MAX_VALUE);
  String bpid = "BP-" + rand + "-"+ ip + "-" + Time.now();
  return bpid;
}
開發者ID:naver，項目名稱:hadoop，代碼行數:19，代碼來源:NNStorage.java

示例12: getUniqueRackPrefix

import org.apache.hadoop.net.DNS; //導入方法依賴的package包/類
static private String getUniqueRackPrefix() {

  String ip = "unknownIP";
  try {
    ip = DNS.getDefaultIP("default");
  } catch (UnknownHostException ignored) {
    System.out.println("Could not find ip address of \"default\" inteface.");
  }
  
  int rand = DFSUtil.getSecureRandom().nextInt(Integer.MAX_VALUE);
  return "/Rack-" + rand + "-"+ ip  + "-" + Time.now(); 
}
開發者ID:naver，項目名稱:hadoop，代碼行數:13，代碼來源:DataNodeCluster.java

示例13: getNodeName

import org.apache.hadoop.net.DNS; //導入方法依賴的package包/類
/**
 * Get data-node in the form 
 * <host name> : <port>
 * where port is a 6 digit integer.
 * This is necessary in order to provide lexocographic ordering.
 * Host names are all the same, the ordering goes by port numbers.
 */
private static String getNodeName(int port) throws IOException {
  String machineName = DNS.getDefaultIP("default");
  String sPort = String.valueOf(100000 + port);
  if(sPort.length() > 6)
    throw new IOException("Too many data-nodes.");
  return machineName + ":" + sPort;
}
開發者ID:rhli，項目名稱:hadoop-EAR，代碼行數:15，代碼來源:NNThroughputBenchmark.java

示例14: newBlockPoolID

import org.apache.hadoop.net.DNS; //導入方法依賴的package包/類
static String newBlockPoolID() throws UnknownHostException {
  String ip = "unknownIP";
  try {
    ip = DNS.getDefaultIP("default");
  } catch (UnknownHostException e) {
    System.out.println("Could not find ip address of \"default\" inteface.");
    throw e;
  }

  int rand = DFSUtil.getSecureRandom().nextInt(Integer.MAX_VALUE);
  String bpid = "BP-" + rand + "-" + ip + "-" + Time.now();
  return bpid;
}
開發者ID:hopshadoop，項目名稱:hops，代碼行數:14，代碼來源:StorageInfo.java

示例15: getUniqueRackPrefix

import org.apache.hadoop.net.DNS; //導入方法依賴的package包/類
static private String getUniqueRackPrefix() {

    String ip = "unknownIP";
    try {
      ip = DNS.getDefaultIP("default");
    } catch (UnknownHostException ignored) {
      System.out.println("Could not find ip address of \"default\" inteface.");
    }
    
    int rand = DFSUtil.getSecureRandom().nextInt(Integer.MAX_VALUE);
    return "/Rack-" + rand + "-" + ip + "-" + Time.now();
  }
開發者ID:hopshadoop，項目名稱:hops，代碼行數:13，代碼來源:DataNodeCluster.java


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