Running 5s test @ http://127.0.0.1:55757/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     0.99ms  330.92us   7.39ms   92.14%
    Req/Sec    15.52k     2.90k   54.93k    98.51%
  Latency Distribution
     50%    0.96ms
     75%    1.07ms
     90%    1.17ms
     99%    2.38ms
  310329 requests in 5.10s, 1.23GB read
Requests/sec:  60853.64
Transfer/sec:    246.24MB