private int getSocketBufferSize() {
    InternalDistributedSystem system = (InternalDistributedSystem) cache.getDistributedSystem();
    return system.getConfig().getSocketBufferSize();
  }
Starts an embedded GemFire caching node, and then listens for new memcached client connections.
geode-memcached/src/main/java/org/apache/geode/memcached/GemFireMemcachedServer.java