public static boolean hasMaxSizeFromProperty(String cacheName) {
        return hasCacheProperty(cacheName, PROPERTY_SUFFIX_SIZE);
    }
Sets a local property which overrides the maximum cache size for the
supplied cache name.
@param cacheName the name of the cache to store a value for.
@param size the maximum cache size.
xmppserver/src/main/java/org/jivesoftware/util/cache/CacheFactory.java