Package org.apache.hadoop.hdfs.server.datanode

Examples of org.apache.hadoop.hdfs.server.datanode.DataStorage

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    }

    void register() throws IOException {
      // get versions from the namenode
      nsInfo = nameNode.versionRequest();
      dnRegistration.setStorageInfo(new DataStorage(nsInfo, ""));
      DataNode.setNewStorageID(dnRegistration);
      // register datanode
      dnRegistration = nameNode.register(dnRegistration);
    }
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        for(int t = 0; t < blockTargets.length; t++) {
          DatanodeInfo dnInfo = blockTargets[t];
          DatanodeRegistration receivedDNReg;
          receivedDNReg = new DatanodeRegistration(dnInfo.getName());
          receivedDNReg.setStorageInfo(
                          new DataStorage(nsInfo, dnInfo.getStorageID()));
          receivedDNReg.setInfoPort(dnInfo.getInfoPort());
          nameNode.blockReceived( receivedDNReg,
                                  new Block[] {blocks[i]},
                                  new String[] {DataNode.EMPTY_DEL_HINT});
        }
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              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());
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        for(int t = 0; t < blockTargets.length; t++) {
          DatanodeInfo dnInfo = blockTargets[t];
          String targetStorageID = targetStorageIDs[i][t];
          DatanodeRegistration receivedDNReg;
          receivedDNReg = new DatanodeRegistration(dnInfo,
            new DataStorage(nsInfo),
            new ExportedBlockKeys(), VersionInfo.getVersion());
          ReceivedDeletedBlockInfo[] rdBlocks = {
            new ReceivedDeletedBlockInfo(
                  blocks[i], ReceivedDeletedBlockInfo.BlockStatus.RECEIVED_BLOCK,
                  null) };
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          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
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        DatanodeInfo blockTargets[] = xferTargets[i];
        for(int t = 0; t < blockTargets.length; t++) {
          DatanodeInfo dnInfo = blockTargets[t];
          DatanodeRegistration receivedDNReg;
          receivedDNReg = new DatanodeRegistration(dnInfo,
            new DataStorage(nsInfo, dnInfo.getStorageID()),
            new ExportedBlockKeys(), VersionInfo.getVersion());
          ReceivedDeletedBlockInfo[] rdBlocks = {
            new ReceivedDeletedBlockInfo(
                  blocks[i], ReceivedDeletedBlockInfo.BlockStatus.RECEIVED_BLOCK,
                  null) };
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    }

    void register() throws IOException {
      // get versions from the namenode
      nsInfo = nameNode.versionRequest();
      dnRegistration.setStorageInfo(new DataStorage(nsInfo, ""));
      DataNode.setNewStorageID(dnRegistration);
      // register datanode
      dnRegistration = nameNode.register(dnRegistration);
    }
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        for(int t = 0; t < blockTargets.length; t++) {
          DatanodeInfo dnInfo = blockTargets[t];
          DatanodeRegistration receivedDNReg;
          receivedDNReg = new DatanodeRegistration(dnInfo.getName());
          receivedDNReg.setStorageInfo(
                          new DataStorage(nsInfo, dnInfo.getStorageID()));
          receivedDNReg.setInfoPort(dnInfo.getInfoPort());
          nameNode.blockReceived( receivedDNReg,
                                  new Block[] {blocks[i]},
                                  new String[] {DataNode.EMPTY_DEL_HINT});
        }
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   * @param bpid Block pool Id
   * @param bpidToWrite Block pool Id to write into the version file
   */
  public static void createDataNodeVersionFile(File[] parent,
      StorageInfo version, String bpid, String bpidToWrite) throws IOException {
    DataStorage storage = new DataStorage(version, "doNotCare");

    File[] versionFiles = new File[parent.length];
    for (int i = 0; i < parent.length; i++) {
      File versionFile = new File(parent[i], "VERSION");
      StorageDirectory sd = new StorageDirectory(parent[i].getParentFile());
      storage.writeProperties(versionFile, sd);
      versionFiles[i] = versionFile;
      File bpDir = BlockPoolSliceStorage.getBpRoot(bpid, parent[i]);
      createBlockPoolVersionFile(bpDir, version, bpidToWrite);
    }
  }
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              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
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Related Classes of org.apache.hadoop.hdfs.server.datanode.DataStorage

  • org.apache.hadoop.fs.HardLink
  • org.apache.hadoop.fs.LocalFileSystem
  • org.apache.hadoop.fs.Path
  • org.apache.hadoop.fs.permission.FsPermission
  • org.apache.hadoop.hdfs.HdfsConfiguration
  • org.apache.hadoop.hdfs.NNThroughputBenchmark$TinyDatanode
  • org.apache.hadoop.hdfs.server.common.Storage.StorageState
  • org.apache.hadoop.hdfs.server.common.StorageInfo
  • org.apache.hadoop.hdfs.server.namenode.NNThroughputBenchmark$TinyDatanode
  • org.apache.hadoop.hdfs.UpgradeUtilities
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