Running 5s test @ http://127.0.0.1:57229/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     4.14ms    1.02ms  18.43ms   96.90%
    Req/Sec    15.37k     1.01k   19.55k    72.50%
  Latency Distribution
     50%    4.00ms
     75%    4.20ms
     90%    4.45ms
     99%    9.06ms
  306035 requests in 5.02s, 1.21GB read
Requests/sec:  60931.49
Transfer/sec:    246.56MB