protected boolean jobCompletion(Job job)
      throws IOException, InterruptedException, ClassNotFoundException {
      boolean success = job.waitForCompletion(true);
      return success;
    }
Randomly selects and walks a random flushed loop concurrently with the Generator Mapper by
spawning ConcurrentWalker's with specified StartNodes. These ConcurrentWalker's are
configured to only log erroneous nodes.
hbase-it/src/test/java/org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.java