Running 5s test @ http://127.0.0.1:48993/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   567.26us  227.92us   6.00ms   98.31%
    Req/Sec    28.94k     1.71k   38.31k    81.77%
  Latency Distribution
     50%  537.00us
     75%  555.00us
     90%  659.00us
     99%    1.32ms
  584417 requests in 5.10s, 2.31GB read
Requests/sec: 114605.30
Transfer/sec:    463.09MB