Running 5s test @ http://127.0.0.1:39251/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.63ms  514.94us  14.10ms   98.01%
    Req/Sec    39.67k     1.44k   47.71k    86.50%
  Latency Distribution
     50%    1.58ms
     75%    1.63ms
     90%    1.70ms
     99%    2.90ms
  789606 requests in 5.03s, 3.12GB read
Requests/sec: 157019.78
Transfer/sec:    635.37MB