10K终端的服务程序问题

[qq_35597957]

开发一个通信服务器，要求保持10K终端的长连接，终端每10s向服务器发送1次数据，数据长度在100个字节左右；服务运行在linux上的Java程序。现在遇到的问题是，服务端接收这10k终端的数据花费的时间会慢慢增长。是服务端有什么需要配置的地方还是程序里有什么问题？
服务端代码：

private void run()
    {
        while (mbIsRunning)
        {
            try
            {
                if (mbSelector.select(2000) == 0) continue;
            }
            catch (Exception e)
            {
             
            }
            Iterator<SelectionKey> iterator = mbSelector.selectedKeys().iterator();
            SelectionKey key;
            while (iterator.hasNext())
            {
                key = iterator.next();
                iterator.remove();
                if (key.isAcceptable()) handleAccept(key);
                else if (key.isReadable()) handleReceive(key);
            }
        }
        depose();
    }


private void handleReceive(SelectionKey paKey)
    {
        if (tpCount % 10000 == 0) tpSTime = System.currentTimeMillis();
        SocketChannel channel = (SocketChannel)paKey.channel();
        int readBytes;
        try
        {
            if (!channel.isConnected()) return;
            mbReadBuffer.clear();
            readBytes = channel.read(mbReadBuffer);
            if (readBytes > 0)
            {
                mbReadBuffer.flip();
                byte[] bytes = new byte[mbReadBuffer.remaining()];
                mbReadBuffer.get(bytes);
                String data = new String(bytes, "UTF-8");
                ++tpCount;
                if (tpCount % 10000 == 0)
                {
                    System.out.println(String.format("Received 10000 data : %d",
                            System.currentTimeMillis() - tpSTime));
                }
            }
        }
        catch (Exception e)
        {
        }
    }

目前只是读取数据，并不做处理。

[qq_35597957]