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

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

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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.getName());
          receivedDNReg.setStorageInfo(new DataStorage(nsInfo, dnInfo
              .getStorageID(), null), dnInfo.getStorageID());
          receivedDNReg.setInfoPort(dnInfo.getInfoPort());
          Block[] bi = new Block[] { blocks[i] };
          nameNode.blockReceivedAndDeleted(receivedDNReg, bi);
        }
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    }

    void register() throws IOException {
      // get versions from the namenode
      nsInfo = nameNode.versionRequest();
      dnRegistration.setStorageInfo(new DataStorage(nsInfo, "", null), "");
      String storageId = DataNode.createNewStorageId(dnRegistration.getPort());
      dnRegistration.setStorageID(storageId);
      // register datanode
      dnRegistration = nameNode.register(dnRegistration,
          DataTransferProtocol.DATA_TRANSFER_VERSION);
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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(), null),
                          dnInfo.getStorageID());
          receivedDNReg.setInfoPort(dnInfo.getInfoPort());
          Block[] bi = new Block[] {blocks[i]};
          nameNode.blockReceivedAndDeleted( receivedDNReg, bi);
        }
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      switch (nodeType) {
      case NAME_NODE:
        storage = new NNStorage(version);
        break;
      case DATA_NODE:
        storage = new DataStorage(version, "doNotCare", null);
        if (version.layoutVersion <= FSConstants.FEDERATION_VERSION) {
          File nsRoot = NameSpaceSliceStorage.getNsRoot(namespaceId, parent[i]);
          Properties props = new Properties();
          props.setProperty(NameSpaceSliceStorage.NAMESPACE_ID,
              String.valueOf(version.getNamespaceID()));
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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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