Package org.apache.hadoop.hdfs.server.common.HdfsServerConstants

Examples of org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption

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   * @return false if passed argements are incorrect
   */
  private static boolean parseArguments(String args[],
                                        Configuration conf) {
    int argsLen = (args == null) ? 0 : args.length;
    StartupOption startOpt = StartupOption.REGULAR;
    for(int i=0; i < argsLen; i++) {
      String cmd = args[i];
      if ("-r".equalsIgnoreCase(cmd) || "--rack".equalsIgnoreCase(cmd)) {
        LOG.error("-r, --rack arguments are not supported anymore. RackID " +
            "resolution is handled by the NameNode.");
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          DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_DEFAULT);
    dtSecretManager = createDelegationTokenSecretManager(conf);
    this.registerMBean(); // register the MBean for the FSNamesystemState
    if(fsImage == null) {
      this.dir = new FSDirectory(this, conf);
      StartupOption startOpt = NameNode.getStartupOption(conf);
      this.dir.loadFSImage(startOpt);
      long timeTakenToLoadFSImage = now() - systemStart;
      LOG.info("Finished loading FSImage in " + timeTakenToLoadFSImage + " msecs");
      NameNode.getNameNodeMetrics().setFsImageLoadTime(
                                (int) timeTakenToLoadFSImage);
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  }

  private static Collection<URI> getStorageDirs(Configuration conf,
                                                String propertyName) {
    Collection<String> dirNames = conf.getTrimmedStringCollection(propertyName);
    StartupOption startOpt = NameNode.getStartupOption(conf);
    if(startOpt == StartupOption.IMPORT) {
      // In case of IMPORT this will get rid of default directories
      // but will retain directories specified in hdfs-site.xml
      // When importing image from a checkpoint, the name-node can
      // start with empty set of storage directories.
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  private void initStorage(final NamespaceInfo nsInfo) throws IOException {
    final FSDatasetInterface.Factory factory
        = FSDatasetInterface.Factory.getFactory(conf);
   
    if (!factory.isSimulated()) {
      final StartupOption startOpt = getStartupOption(conf);
      if (startOpt == null) {
        throw new IOException("Startup option not set.");
      }
      final String bpid = nsInfo.getBlockPoolID();
      //read storage info, lock data dirs and transition fs state if necessary
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   * @return false if passed argements are incorrect
   */
  private static boolean parseArguments(String args[],
                                        Configuration conf) {
    int argsLen = (args == null) ? 0 : args.length;
    StartupOption startOpt = StartupOption.REGULAR;
    for(int i=0; i < argsLen; i++) {
      String cmd = args[i];
      if ("-r".equalsIgnoreCase(cmd) || "--rack".equalsIgnoreCase(cmd)) {
        LOG.error("-r, --rack arguments are not supported anymore. RackID " +
            "resolution is handled by the NameNode.");
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    for (String currentArg : arg) {
      args[i++] = currentArg;
    }

    boolean returnValue = DataNode.parseArguments(args, conf);
    StartupOption option = DataNode.getStartupOption(conf);
    assertThat(returnValue, is(expectSuccess));

    if (expectSuccess) {
      assertThat(option, is(expectedOption));
    }
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  private void initStorage(final NamespaceInfo nsInfo) throws IOException {
    final FsDatasetSpi.Factory<? extends FsDatasetSpi<?>> factory
        = FsDatasetSpi.Factory.getFactory(conf);
   
    if (!factory.isSimulated()) {
      final StartupOption startOpt = getStartupOption(conf);
      if (startOpt == null) {
        throw new IOException("Startup option not set.");
      }
      final String bpid = nsInfo.getBlockPoolID();
      //read storage info, lock data dirs and transition fs state if necessary
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   * @return false if passed argements are incorrect
   */
  private static boolean parseArguments(String args[],
                                        Configuration conf) {
    int argsLen = (args == null) ? 0 : args.length;
    StartupOption startOpt = StartupOption.REGULAR;
    for(int i=0; i < argsLen; i++) {
      String cmd = args[i];
      if ("-r".equalsIgnoreCase(cmd) || "--rack".equalsIgnoreCase(cmd)) {
        LOG.error("-r, --rack arguments are not supported anymore. RackID " +
            "resolution is handled by the NameNode.");
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    checkConfiguration(conf);
    FSImage fsImage = new FSImage(conf,
        FSNamesystem.getNamespaceDirs(conf),
        FSNamesystem.getNamespaceEditsDirs(conf));
    FSNamesystem namesystem = new FSNamesystem(conf, fsImage);
    StartupOption startOpt = NameNode.getStartupOption(conf);
    if (startOpt == StartupOption.RECOVER) {
      namesystem.setSafeMode(SafeModeAction.SAFEMODE_ENTER);
    }

    long loadStart = now();
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  }

  private static Collection<URI> getStorageDirs(Configuration conf,
                                                String propertyName) {
    Collection<String> dirNames = conf.getTrimmedStringCollection(propertyName);
    StartupOption startOpt = NameNode.getStartupOption(conf);
    if(startOpt == StartupOption.IMPORT) {
      // In case of IMPORT this will get rid of default directories
      // but will retain directories specified in hdfs-site.xml
      // When importing image from a checkpoint, the name-node can
      // start with empty set of storage directories.
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Related Classes of org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption

  • org.apache.hadoop.hdfs.MiniDFSCluster
  • org.apache.hadoop.hdfs.server.datanode.DataNode
  • org.apache.hadoop.hdfs.server.datanode.DataNode$BPOfferService
  • org.apache.hadoop.hdfs.server.datanode.TestDatanodeStartupOptions
  • org.apache.hadoop.hdfs.server.namenode.FSNamesystem
  • org.apache.hadoop.hdfs.server.namenode.NameNode
  • org.apache.hadoop.hdfs.server.namenode.TestNameNodeOptionParsing
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