Running 5s test @ http://127.0.0.1:54987/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.60ms  536.83us  14.35ms   96.93%
    Req/Sec    40.71k     1.73k   47.31k    85.50%
  Latency Distribution
     50%    1.53ms
     75%    1.60ms
     90%    1.66ms
     99%    3.39ms
  810070 requests in 5.02s, 3.17GB read
Requests/sec: 161358.53
Transfer/sec:    646.31MB