Running 3s test @ http://127.0.0.1:38909/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.21ms  443.33us  10.62ms   91.03%
    Req/Sec    13.34k     1.07k   16.87k    77.24%
  Latency Distribution
     50%    1.13ms
     75%    1.21ms
     90%    1.34ms
     99%    2.96ms
  163246 requests in 3.10s, 653.87MB read
Requests/sec:  52672.62
Transfer/sec:    210.98MB