Running 3s test @ http://127.0.0.1:48501/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.20ms  379.47us   8.36ms   88.42%
    Req/Sec    13.35k     1.58k   24.51k    95.08%
  Latency Distribution
     50%    1.15ms
     75%    1.21ms
     90%    1.29ms
     99%    2.44ms
  162040 requests in 3.10s, 649.04MB read
Requests/sec:  52274.46
Transfer/sec:    209.38MB