Running 5s test @ http://127.0.0.1:37869/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.61ms  572.46us  14.42ms   98.55%
    Req/Sec    40.40k     1.62k   45.54k    86.00%
  Latency Distribution
     50%    1.55ms
     75%    1.60ms
     90%    1.65ms
     99%    2.93ms
  804020 requests in 5.03s, 3.18GB read
Requests/sec: 159925.85
Transfer/sec:    647.13MB