Running 5s test @ http://127.0.0.1:58891/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.51ms  394.71us  10.43ms   98.32%
    Req/Sec    42.83k     1.58k   49.74k    87.50%
  Latency Distribution
     50%    1.47ms
     75%    1.51ms
     90%    1.56ms
     99%    2.33ms
  852088 requests in 5.02s, 3.33GB read
Requests/sec: 169572.48
Transfer/sec:    679.21MB