NNBench.java 文件源码

/**
 * Create control files before a test run.
 * Number of files created is equal to the number of maps specified
 * 
 * @throws IOException on error
 */
private static void createControlFiles() throws IOException {
  FileSystem tempFS = FileSystem.get(config);
  LOG.info("Creating " + numberOfMaps + " control files");

  for (int i = 0; i < numberOfMaps; i++) {
    String strFileName = "NNBench_Controlfile_" + i;
    Path filePath = new Path(new Path(baseDir, CONTROL_DIR_NAME),
            strFileName);

    SequenceFile.Writer writer = null;
    try {
      writer = SequenceFile.createWriter(tempFS, config, filePath, Text.class, 
              LongWritable.class, CompressionType.NONE);
      writer.append(new Text(strFileName), new LongWritable(0l));
    } finally {
      if (writer != null) {
        writer.close();
      }
    }
  }
}