Running 5s test @ http://127.0.0.1:49733/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   480.40us  232.99us   5.92ms   98.65%
    Req/Sec    34.43k     1.74k   45.93k    88.67%
  Latency Distribution
     50%  448.00us
     75%  464.00us
     90%  554.00us
     99%    1.08ms
  695143 requests in 5.10s, 2.74GB read
Requests/sec: 136312.01
Transfer/sec:    550.80MB