Running 5s test @ http://127.0.0.1:39277/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   393.31us  216.10us   5.96ms   98.73%
    Req/Sec    42.22k     2.11k   55.81k    87.68%
  Latency Distribution
     50%  375.00us
     75%  382.00us
     90%  389.00us
     99%    0.99ms
  852970 requests in 5.10s, 3.37GB read
Requests/sec: 167248.27
Transfer/sec:    676.76MB