Running 5s test @ http://127.0.0.1:56885/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   384.28us  187.70us   5.01ms   98.87%
    Req/Sec    42.97k     1.64k   52.10k    89.66%
  Latency Distribution
     50%  367.00us
     75%  377.00us
     90%  389.00us
     99%  739.00us
  867350 requests in 5.10s, 3.43GB read
Requests/sec: 170093.37
Transfer/sec:    688.27MB