Running 5s test @ http://127.0.0.1:40347/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.89ms  544.21us  14.40ms   98.44%
    Req/Sec    33.91k     1.21k   41.93k    88.00%
  Latency Distribution
     50%    1.82ms
     75%    1.91ms
     90%    2.04ms
     99%    3.07ms
  674966 requests in 5.02s, 2.66GB read
Requests/sec: 134325.87
Transfer/sec:    542.77MB