Running 5s test @ http://127.0.0.1:51973/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   387.09us  202.40us   5.84ms   98.81%
    Req/Sec    42.76k     2.07k   55.93k    88.67%
  Latency Distribution
     50%  369.00us
     75%  379.00us
     90%  390.00us
     99%    0.86ms
  863643 requests in 5.10s, 3.41GB read
Requests/sec: 169375.84
Transfer/sec:    685.37MB