@Override
  public float getHitRatio() {
    long hits = getHitCount();
    long total = hits + getMissCount();
    return total == 0L ? 0.0f : (float) hits / total;
  }
Update the lastAccessedTime and lastModifiedTimes to reflects those in the subregions
geode-core/src/main/java/org/apache/geode/internal/cache/AbstractRegion.java