Running 5s test @ http://127.0.0.1:56191/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.57ms  393.83us  10.37ms   98.41%
    Req/Sec    41.28k     1.72k   47.75k    86.50%
  Latency Distribution
     50%    1.52ms
     75%    1.55ms
     90%    1.59ms
     99%    2.55ms
  821688 requests in 5.02s, 3.21GB read
Requests/sec: 163526.35
Transfer/sec:    654.99MB