Running 5s test @ http://127.0.0.1:48717/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.60ms  493.50us  13.60ms   98.85%
    Req/Sec    40.50k     1.31k   44.49k    83.00%
  Latency Distribution
     50%    1.56ms
     75%    1.59ms
     90%    1.61ms
     99%    2.31ms
  806050 requests in 5.02s, 3.15GB read
Requests/sec: 160500.17
Transfer/sec:    642.87MB