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

Examples of org.apache.hadoop.hdfs.server.namenode.FSNamesystem.SafeModeInfo

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    final Map<Path, Boolean> results = Collections
        .synchronizedMap(new HashMap<Path, Boolean>());
    final Path test = new Path("/test");
    // let nn0 enter safemode
    NameNodeAdapter.enterSafeMode(nn0, false);
    SafeModeInfo safeMode = (SafeModeInfo) Whitebox.getInternalState(
        nn0.getNamesystem(), "safeMode");
    Whitebox.setInternalState(safeMode, "extension", Integer.valueOf(30000));
    LOG.info("enter safemode");
    new Thread() {
      @Override
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  /**
   * @return the number of blocks marked safe by safemode, or -1
   * if safemode is not running.
   */
  public static int getSafeModeSafeBlocks(NameNode nn) {
    SafeModeInfo smi = nn.getNamesystem().getSafeModeInfoForTests();
    if (smi == null) {
      return -1;
    }
    return smi.blockSafe;
  }
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  /**
   * @return the number of blocks marked safe by safemode, or -1
   * if safemode is not running.
   */
  public static int getSafeModeSafeBlocks(NameNode nn) {
    SafeModeInfo smi = nn.getNamesystem().getSafeModeInfoForTests();
    if (smi == null) {
      return -1;
    }
    return smi.blockSafe;
  }
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  /**
   * @return true if safemode is not running, or if safemode has already
   * initialized the replication queues
   */
  public static boolean safeModeInitializedReplQueues(NameNode nn) {
    SafeModeInfo smi = nn.getNamesystem().getSafeModeInfoForTests();
    if (smi == null) {
      return true;
    }
    return smi.initializedReplQueues;
  }
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  /**
   * @return the number of blocks marked safe by safemode, or -1
   * if safemode is not running.
   */
  public static int getSafeModeSafeBlocks(NameNode nn) {
    SafeModeInfo smi = nn.getNamesystem().getSafeModeInfoForTests();
    if (smi == null) {
      return -1;
    }
    return smi.blockSafe;
  }
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  /**
   * @return true if safemode is not running, or if safemode has already
   * initialized the replication queues
   */
  public static boolean safeModeInitializedReplQueues(NameNode nn) {
    SafeModeInfo smi = nn.getNamesystem().getSafeModeInfoForTests();
    if (smi == null) {
      return true;
    }
    return smi.initializedReplQueues;
  }
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    final Map<Path, Boolean> results = Collections
        .synchronizedMap(new HashMap<Path, Boolean>());
    final Path test = new Path("/test");
    // let nn0 enter safemode
    NameNodeAdapter.enterSafeMode(nn0, false);
    SafeModeInfo safeMode = (SafeModeInfo) Whitebox.getInternalState(
        nn0.getNamesystem(), "safeMode");
    Whitebox.setInternalState(safeMode, "extension", Integer.valueOf(30000));
    LOG.info("enter safemode");
    new Thread() {
      @Override
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  /**
   * @return the number of blocks marked safe by safemode, or -1
   * if safemode is not running.
   */
  public static int getSafeModeSafeBlocks(NameNode nn) {
    SafeModeInfo smi = nn.getNamesystem().getSafeModeInfoForTests();
    if (smi == null) {
      return -1;
    }
    return smi.blockSafe;
  }
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  /**
   * @return true if safemode is not running, or if safemode has already
   * initialized the replication queues
   */
  public static boolean safeModeInitializedReplQueues(NameNode nn) {
    SafeModeInfo smi = nn.getNamesystem().getSafeModeInfoForTests();
    if (smi == null) {
      return true;
    }
    return smi.initializedReplQueues;
  }
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  /**
   * @return the number of blocks marked safe by safemode, or -1
   * if safemode is not running.
   */
  public static int getSafeModeSafeBlocks(NameNode nn) {
    SafeModeInfo smi = nn.getNamesystem().getSafeModeInfoForTests();
    if (smi == null) {
      return -1;
    }
    return smi.blockSafe;
  }
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Related Classes of org.apache.hadoop.hdfs.server.namenode.FSNamesystem.SafeModeInfo

  • org.apache.hadoop.hdfs.server.namenode.ha.TestHASafeMode
  • org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter
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