Running 5s test @ http://127.0.0.1:56815/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.61ms  385.58us   9.66ms   97.93%
    Req/Sec    40.15k     1.57k   52.85k    86.50%
  Latency Distribution
     50%    1.57ms
     75%    1.60ms
     90%    1.63ms
     99%    2.65ms
  799127 requests in 5.03s, 3.16GB read
Requests/sec: 158853.82
Transfer/sec:    642.79MB