Running 5s test @ http://127.0.0.1:40101/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.25ms  344.72us   6.49ms   92.30%
    Req/Sec    12.49k     2.35k   44.98k    99.50%
  Latency Distribution
     50%    1.21ms
     75%    1.34ms
     90%    1.50ms
     99%    2.50ms
  249623 requests in 5.10s, 0.99GB read
Requests/sec:  48956.34
Transfer/sec:    197.82MB