code: public static void renameSourceDirAsCompactionComplete (FileSystem fs, Dataset dataset) {
      try {
        for (Path path: dataset.getRenamePaths()) {
          Path newPath = new Path (path.getParent(), path.getName() + MRCompactor.COMPACTION_RENAME_SOURCE_DIR_SUFFIX);
          LOG.info("[{}] Renaming {} to {}", dataset.getDatasetName(), path, newPath);
          fs.rename(path, newPath);
        }
      } catch (Exception e) {
        LOG.error ("Rename input path failed", e);
      }
    }
docs: Rename all the source directories for a specific dataset