code: private void openEditLog() throws IOException {
      if (editsNewFile.exists()) {
        LOG.info("Trying to load edit log from 'edits.new'");
        try {
          openInputStream(editsNewFile);
          openedFromEditsNew = true;
          return;
        } catch (IOException e) {
          LOG.info("Failed to load from 'edits.new'. Trying from 'edits'", e);
        }
      }
      
      openInputStream(editsFile);
      openedFromEditsNew = false;
      LOG.info("Edit log loaded from 'edits'");
    }
docs: Tries to load the edit log file: first from 'edits.new', and if it
  doesen't exist, from 'edits'.
  
  @throws IOException If a fatal error occurred.