Running 5s test @ http://127.0.0.1:58151/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   379.93us  196.97us   5.16ms   98.84%
    Req/Sec    43.40k     2.32k   57.52k    88.67%
  Latency Distribution
     50%  364.00us
     75%  373.00us
     90%  382.00us
     99%  687.00us
  876332 requests in 5.10s, 3.43GB read
Requests/sec: 171835.53
Transfer/sec:    688.28MB