Running 5s test @ http://127.0.0.1:49295/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   438.22us  210.09us   7.91ms   95.41%
    Req/Sec    37.66k     3.92k   76.61k    97.03%
  Latency Distribution
     50%  417.00us
     75%  430.00us
     90%  446.00us
     99%    0.98ms
  757040 requests in 5.10s, 2.96GB read
Requests/sec: 148458.08
Transfer/sec:    594.64MB