private void stopMemcachedServer() {
    if (memcachedServer != null) {
      logger.info("GemFireMemcachedServer is shutting down");
      memcachedServer.shutdown();
    }
  }
Service loaded at cache initialization that starts the {@link GemFireMemcachedServer}
if {@link ConfigurationProperties#MEMCACHED_PORT} is set.
geode-memcached/src/main/java/org/apache/geode/internal/memcached/GeodeMemcachedService.java