JamieAP

try {
    ServerBootstrap b = new ServerBootstrap();
    b.group(acceptorGroup, handlerGroup)
            .channel(NioServerSocketChannel.class)
            .childHandler(new MySocketInitialiser())
            .option(ChannelOption.SO_BACKLOG, 5)
            .childOption(ChannelOption.SO_KEEPALIVE, true);

    b.localAddress(port).bind().sync();
    LOG.info("Started on port {}", port);

JamieAP

NioEventLoopGroup acceptorGroup = new NioEventLoopGroup(2); // 2 threads
NioEventLoopGroup handlerGroup = new NioEventLoopGroup(10); // 10 threads

JamieAP

NioEventLoopGroup acceptorGroup = new NioEventLoopGroup(2); // 2 threads
NioEventLoopGroup handlerGroup = new NioEventLoopGroup(10); // 10 threads

JamieAP

import static spark.Spark.*;

public class HelloWorld {
    public static void main(String[] args) {
        get("/hello", (req, res) -> "Hello World");
    }
}

JamieAP

app.get('/', function (req, res) {
  res.send('Hello World!');
});