Running 5s test @ http://127.0.0.1:38247/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.63ms  525.31us  13.84ms   97.92%
    Req/Sec    39.75k     1.47k   42.05k    83.50%
  Latency Distribution
     50%    1.58ms
     75%    1.63ms
     90%    1.70ms
     99%    2.91ms
  791026 requests in 5.03s, 3.13GB read
Requests/sec: 157404.58
Transfer/sec:    636.93MB