Package org.apache.hadoop.fs

Examples of org.apache.hadoop.fs.FSDataOutputStream.writeBoolean()

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    // check if system.dir problems in recovery kills the jobtracker
    Path rFile = jobtracker.recoveryManager.getRestartCountFile();
    fs.delete(rFile, false);
    FSDataOutputStream out = fs.create(rFile);
    out.writeBoolean(true);
    out.close();

    // start the jobtracker
    LOG.info("Starting jobtracker with fs errors");
    mr.startJobTracker();
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    mr.stopJobTracker();

    // check if system.dir problems in recovery kills the jobtracker
    fs.delete(rFile, false);
    FSDataOutputStream out = fs.create(rFile);
    out.writeBoolean(true);
    out.close();

    // start the jobtracker
    LOG.info("Starting jobtracker with fs errors");
    mr.startJobTracker();
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      ldirAlloc.getLocalPathForWrite(taskRanFile, conf);
    LocalFileSystem lfs = FileSystem.getLocal(conf);
    FSDataOutputStream out = lfs.create(taskRanFilePath);
    out.writeInt(allAttempts.size());
    for (Task t : allAttempts) {
      out.writeBoolean(t.isMapTask());
      t.write(out);
    }
    out.close();
    lfs.setPermission(taskRanFilePath,
                      FsPermission.createImmutable((short)0755));
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      ldirAlloc.getLocalPathForWrite(taskRanFile, conf);
    LocalFileSystem lfs = FileSystem.getLocal(conf);
    FSDataOutputStream out = lfs.create(taskRanFilePath);
    out.writeInt(allAttempts.size());
    for (Task t : allAttempts) {
      out.writeBoolean(t.isMapTask());
      t.write(out);
    }
    out.close();
    lfs.setPermission(taskRanFilePath,
                      FsPermission.createImmutable((short)0755));
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  public void serialize(Path output, Configuration conf) throws IOException {
    FileSystem fs = output.getFileSystem(conf);
    FSDataOutputStream out = fs.create(new Path(output, "naiveBayesModel.bin"));
    try {
      out.writeFloat(alphaI);
      out.writeBoolean(isComplementary);
      VectorWritable.writeVector(out, weightsPerFeature);
      VectorWritable.writeVector(out, weightsPerLabel);
      if (isComplementary){
        VectorWritable.writeVector(out, perlabelThetaNormalizer);
      }
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      ldirAlloc.getLocalPathForWrite(taskRanFile, conf);
    LocalFileSystem lfs = FileSystem.getLocal(conf);
    FSDataOutputStream out = lfs.create(taskRanFilePath);
    out.writeInt(allAttempts.size());
    for (Task t : allAttempts) {
      out.writeBoolean(t.isMapTask());
      t.write(out);
    }
    out.close();
    lfs.setPermission(taskRanFilePath,
                      FsPermission.createImmutable((short)0755));
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