public static boolean getBoolean(String sysProp, boolean def) {
    return Boolean.parseBoolean(System.getProperty(sysProp, Boolean.valueOf(def).toString()));
  }
Allows recovering values for LRU regions. By default values are not recovered for LRU regions
during recovery.
geode-core/src/main/java/org/apache/geode/internal/cache/DiskStoreImpl.java