Running 5s test @ http://127.0.0.1:42909/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   393.91us  139.63us   5.41ms   97.25%
    Req/Sec    41.49k     2.26k   57.58k    87.19%
  Latency Distribution
     50%  377.00us
     75%  385.00us
     90%  394.00us
     99%  761.00us
  837649 requests in 5.10s, 3.28GB read
Requests/sec: 164271.44
Transfer/sec:    657.98MB