}
}
public Map<String, String> getStats() {
Map<String, String> stats = Maps.newHashMap();
InvertedIndex current = index;
InvertedIndex marked = markedIndex;
stats.put("rti_size", String.valueOf(rtiSize));
stats.putAll(current.getStats("rti_current_index_"));
if (marked != null) {
stats.putAll(current.getStats("rti_marked_index_"));
}