Running 5s test @ http://127.0.0.1:50927/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   398.25us  243.05us   5.87ms   97.95%
    Req/Sec    42.09k     2.39k   56.22k    86.70%
  Latency Distribution
     50%  375.00us
     75%  382.00us
     90%  391.00us
     99%    1.44ms
  850551 requests in 5.10s, 3.36GB read
Requests/sec: 166776.44
Transfer/sec:    674.85MB