Running 5s test @ http://127.0.0.1:60399/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     6.42ms    0.88ms  20.71ms   96.29%
    Req/Sec     9.99k   468.81    11.95k    89.00%
  Latency Distribution
     50%    6.28ms
     75%    6.38ms
     90%    6.60ms
     99%   10.51ms
  198843 requests in 5.03s, 796.45MB read
Requests/sec:  39544.83
Transfer/sec:    158.39MB