Running 5s test @ http://127.0.0.1:38871/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   382.09us  137.09us   4.16ms   96.85%
    Req/Sec    42.65k     3.54k   76.06k    95.05%
  Latency Distribution
     50%  371.00us
     75%  383.00us
     90%  394.00us
     99%  712.00us
  857259 requests in 5.10s, 3.39GB read
Requests/sec: 168096.99
Transfer/sec:    680.19MB