Running 5s test @ http://127.0.0.1:51091/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.59ms  504.52us  13.41ms   98.55%
    Req/Sec    41.01k     1.63k   49.46k    87.00%
  Latency Distribution
     50%    1.54ms
     75%    1.58ms
     90%    1.63ms
     99%    2.60ms
  815936 requests in 5.02s, 3.19GB read
Requests/sec: 162486.95
Transfer/sec:    650.83MB