code: private void deleteEntryFiles(List<Entry<V>> list) throws IOException {
      for(Entry<V> e: list) {
        File file = e.getFile();
        if(file != null && file.exists()) {
          if (file.delete()) {
            _log.info(file.getName() + " deleted");
          } else {
            _log.warn(file.getName() + " not deleted");
          }
        }
      }
    }
docs: Delete entry log files on disk.
  
  @throws IOException