Running 5s test @ http://127.0.0.1:52829/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.65ms  549.90us  14.09ms   98.28%
    Req/Sec    39.43k     1.43k   44.86k    85.50%
  Latency Distribution
     50%    1.59ms
     75%    1.64ms
     90%    1.71ms
     99%    2.80ms
  784689 requests in 5.03s, 3.10GB read
Requests/sec: 155883.90
Transfer/sec:    630.77MB