Running 5s test @ http://127.0.0.1:57917/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.59ms  528.46us  14.15ms   98.30%
    Req/Sec    40.85k     1.45k   45.80k    85.50%
  Latency Distribution
     50%    1.53ms
     75%    1.58ms
     90%    1.64ms
     99%    2.61ms
  813117 requests in 5.01s, 3.21GB read
Requests/sec: 162220.51
Transfer/sec:    656.42MB