Running 5s test @ http://127.0.0.1:57173/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     4.98ms    0.87ms  18.58ms   97.10%
    Req/Sec    12.62k   573.42    16.56k    89.50%
  Latency Distribution
     50%    4.82ms
     75%    5.05ms
     90%    5.53ms
     99%    8.59ms
  251137 requests in 5.04s, 0.99GB read
Requests/sec:  49827.77
Transfer/sec:    201.34MB