Running 5s test @ http://127.0.0.1:59891/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.44ms  374.15us   8.28ms   96.18%
    Req/Sec    10.73k     2.08k   39.32k    99.50%
  Latency Distribution
     50%    1.43ms
     75%    1.51ms
     90%    1.59ms
     99%    2.97ms
  214652 requests in 5.10s, 859.77MB read
Requests/sec:  42087.64
Transfer/sec:    168.58MB