private static void setJobConf(Job job, int numMappers, long numNodes, Integer width,
    Integer wrapMultiplier, Integer numWalkers) {
    job.getConfiguration().setInt(GENERATOR_NUM_MAPPERS_KEY, numMappers);
    job.getConfiguration().setLong(GENERATOR_NUM_ROWS_PER_MAP_KEY, numNodes);
    if (width != null) {
      job.getConfiguration().setInt(GENERATOR_WIDTH_KEY, width);
    }
    if (wrapMultiplier != null) {
      job.getConfiguration().setInt(GENERATOR_WRAP_KEY, wrapMultiplier);
    }
    if (numWalkers != null) {
      job.getConfiguration().setInt(CONCURRENT_WALKER_KEY, numWalkers);
    }
  }
A stand alone program that follows a linked list created by {@link Generator} and prints timing
info.
hbase-it/src/test/java/org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.java