Running 5s test @ http://127.0.0.1:56135/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.62ms  499.03us  14.49ms   98.28%
    Req/Sec    39.99k     1.27k   41.93k    85.00%
  Latency Distribution
     50%    1.57ms
     75%    1.61ms
     90%    1.68ms
     99%    2.72ms
  795358 requests in 5.02s, 3.14GB read
Requests/sec: 158522.98
Transfer/sec:    641.45MB