Running 5s test @ http://127.0.0.1:60909/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.75ms  554.03us  14.88ms   97.74%
    Req/Sec    37.09k     1.43k   40.41k    82.00%
  Latency Distribution
     50%    1.69ms
     75%    1.74ms
     90%    1.79ms
     99%    3.57ms
  738049 requests in 5.02s, 2.89GB read
Requests/sec: 146975.86
Transfer/sec:    588.70MB