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

Examples of org.apache.hadoop.hdfs.server.namenode.BackupNode$BNHAContext

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        fileAsURI(new File(hdfsDir, "name2")).toString());
    conf.set(DFSConfigKeys.DFS_NAMENODE_EDITS_DIR_KEY, "${dfs.name.dir}");
   
    // Start BackupNode
    String[] args = new String [] { StartupOption.BACKUP.getName() };
    BackupNode bu = (BackupNode)NameNode.createNameNode(args, conf);

    return bu;
  }
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  /**
   * Check whether the BackupNode can be started.
   */
  private boolean canStartBackupNode(Configuration conf) throws IOException {
    BackupNode bn = null;

    try {
      bn = startBackupNode(conf);
    } catch(IOException e) {
      if (e instanceof java.net.BindException)
        return false;
      throw e;
    } finally {
      if(bn != null) bn.stop();
    }

    return true;
  }
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    conf.set(DFSConfigKeys.DFS_NAMENODE_EDITS_DIR_KEY,
        "${" + DFSConfigKeys.DFS_NAMENODE_NAME_DIR_KEY + "}");
   
    // Start BackupNode
    String[] args = new String [] { StartupOption.BACKUP.getName() };
    BackupNode bu = (BackupNode)NameNode.createNameNode(args, conf);

    return bu;
  }
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  /**
   * Check whether the BackupNode can be started.
   */
  private boolean canStartBackupNode(Configuration conf) throws IOException {
    BackupNode bn = null;

    try {
      bn = startBackupNode(conf);
    } catch(IOException e) {
      if (e instanceof java.net.BindException)
        return false;
      throw e;
    } finally {
      if(bn != null) bn.stop();
    }

    return true;
  }
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