Running 5s test @ http://127.0.0.1:51157/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   407.22us  210.91us   5.54ms   94.48%
    Req/Sec    40.87k     6.56k  129.81k    98.51%
  Latency Distribution
     50%  384.00us
     75%  391.00us
     90%  400.00us
     99%    1.41ms
  817175 requests in 5.10s, 3.20GB read
Requests/sec: 160250.78
Transfer/sec:    641.87MB