Running 5s test @ http://127.0.0.1:59969/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   380.71us  164.72us   4.38ms   98.28%
    Req/Sec    43.05k     2.46k   58.51k    84.24%
  Latency Distribution
     50%  364.00us
     75%  372.00us
     90%  383.00us
     99%    1.03ms
  868985 requests in 5.10s, 3.40GB read
Requests/sec: 170404.99
Transfer/sec:    682.55MB