Running 5s test @ http://127.0.0.1:54181/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     5.00ms    0.88ms  19.52ms   96.83%
    Req/Sec    12.57k   571.56    17.00k    89.50%
  Latency Distribution
     50%    4.82ms
     75%    5.08ms
     90%    5.55ms
     99%    8.52ms
  250339 requests in 5.03s, 0.99GB read
Requests/sec:  49770.60
Transfer/sec:    201.11MB