please add example for high performance example, even hello world about examples HOT 6 CLOSED

$ wrk -t12 -c400 -d15s http://localhost:8080/
Running 15s test @ http://localhost:8080/
  12 threads and 400 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    33.13ms    8.94ms 270.67ms   74.96%
    Req/Sec     0.99k   169.83     3.65k    80.23%
  175202 requests in 15.07s, 18.21MB read
Requests/sec:  11622.82
Transfer/sec:      1.21MB

vert.x + kotlin example

$ wrk -t12 -c400 -d30s http://127.0.0.1:8080
Running 30s test @ http://127.0.0.1:8080
  12 threads and 400 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     3.47ms    2.33ms 220.09ms   98.18%
    Req/Sec     9.75k     1.55k   59.36k    96.70%
  3474947 requests in 30.10s, 172.33MB read
Requests/sec: 115448.83
Transfer/sec:      5.73MB