@Override
  public ByteBuffer processCommand(RequestReader request, Protocol protocol, Cache cache) {
    if (protocol == Protocol.ASCII) {
      return processAsciiCommand(request, cache);
    }
    return processBinaryCommand(request.getRequest(), request, cache, request.getResponse());
  }
buffer for sending get replies, one per thread
geode-memcached/src/main/java/org/apache/geode/internal/memcached/commands/GetCommand.java