channelizer.init(settings, gremlinExecutor, gremlinGroup, graphs.get(), workerGroup);
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.childHandler(channelizer);
ch = b.bind(settings.host, settings.port).sync().channel();
logger.info("Gremlin Server configured with worker thread pool of {} and boss thread pool of {}",
settings.threadPoolWorker, settings.threadPoolBoss);
logger.info("Channel started at port {}.", settings.port);
serverReady.ifPresent(future -> future.complete(null));