Running 5s test @ http://127.0.0.1:60835/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   393.92us  210.36us   5.45ms   98.40%
    Req/Sec    42.13k     1.70k   50.93k    89.16%
  Latency Distribution
     50%  374.00us
     75%  386.00us
     90%  397.00us
     99%    1.14ms
  850535 requests in 5.10s, 3.36GB read
Requests/sec: 166790.77
Transfer/sec:    674.91MB