Package org.apache.hadoop.yarn.server.utils

Examples of org.apache.hadoop.yarn.server.utils.LeveldbIterator.seek()

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    RecoveredDeletionServiceState state = new RecoveredDeletionServiceState();
    state.tasks = new ArrayList<DeletionServiceDeleteTaskProto>();
    LeveldbIterator iter = null;
    try {
      iter = new LeveldbIterator(db);
      iter.seek(bytes(DELETION_TASK_KEY_PREFIX));
      while (iter.hasNext()) {
        Entry<byte[], byte[]> entry = iter.next();
        String key = asString(entry.getKey());
        if (!key.startsWith(DELETION_TASK_KEY_PREFIX)) {
          break;
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    RecoveredLocalizationState state = new RecoveredLocalizationState();

    LeveldbIterator iter = null;
    try {
      iter = new LeveldbIterator(db);
      iter.seek(bytes(LOCALIZATION_PUBLIC_KEY_PREFIX));
      state.publicTrackerState = loadResourceTrackerState(iter,
          LOCALIZATION_PUBLIC_KEY_PREFIX);

      iter.seek(bytes(LOCALIZATION_PRIVATE_KEY_PREFIX));
      while (iter.hasNext()) {
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      iter = new LeveldbIterator(db);
      iter.seek(bytes(LOCALIZATION_PUBLIC_KEY_PREFIX));
      state.publicTrackerState = loadResourceTrackerState(iter,
          LOCALIZATION_PUBLIC_KEY_PREFIX);

      iter.seek(bytes(LOCALIZATION_PRIVATE_KEY_PREFIX));
      while (iter.hasNext()) {
        Entry<byte[],byte[]> entry = iter.peekNext();
        String key = asString(entry.getKey());
        if (!key.startsWith(LOCALIZATION_PRIVATE_KEY_PREFIX)) {
          break;
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      startStore(recoveryRoot);
      Pattern jobPattern = Pattern.compile(JobID.JOBID_REGEX);
      LeveldbIterator iter = null;
      try {
        iter = new LeveldbIterator(stateDb);
        iter.seek(bytes(JobID.JOB));
        while (iter.hasNext()) {
          Map.Entry<byte[],byte[]> entry = iter.next();
          String key = asString(entry.getKey());
          if (!jobPattern.matcher(key).matches()) {
            break;
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