final ThreadPoolExecutor executorSend = (ThreadPoolExecutor) Executors.newFixedThreadPool(threadCnt);
// rpcclient
final RPCClient rpcClient = new DefaultRPCClient();
final boolean connectOK =
rpcClient.connect(new InetSocketAddress(remoteHost, remotePort), connectionCnt);
System.out.println("connect server " + remoteHost + (connectOK ? " OK" : " Failed"));
rpcClient.start();
// status
final byte[] message = buildMessage(messageSize);