private static ColumnFamilyDescriptorBuilder setMobProperties(final Configuration conf,
    final ColumnFamilyDescriptorBuilder builder) {
    if (conf.getBoolean("useMob", false)) {
      builder.setMobEnabled(true);
      builder.setMobThreshold(4);
    }
    return builder;
  }
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