Running 5s test @ http://127.0.0.1:42235/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   538.19us  205.70us   7.30ms   97.83%
    Req/Sec    30.48k     1.65k   38.83k    80.30%
  Latency Distribution
     50%  522.00us
     75%  532.00us
     90%  544.00us
     99%    1.06ms
  615498 requests in 5.10s, 2.41GB read
Requests/sec: 120696.22
Transfer/sec:    483.44MB