Running 5s test @ http://127.0.0.1:51171/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.91ms  488.78us  12.53ms   98.12%
    Req/Sec    33.65k     1.26k   43.53k    87.50%
  Latency Distribution
     50%    1.84ms
     75%    1.93ms
     90%    2.07ms
     99%    3.04ms
  669668 requests in 5.03s, 2.64GB read
Requests/sec: 133266.84
Transfer/sec:    538.49MB