Running 5s test @ http://127.0.0.1:57965/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   395.13us  165.38us   7.53ms   94.94%
    Req/Sec    41.57k     4.39k   85.31k    96.04%
  Latency Distribution
     50%  377.00us
     75%  389.00us
     90%  403.00us
     99%    0.93ms
  835535 requests in 5.10s, 3.27GB read
Requests/sec: 163828.82
Transfer/sec:    656.21MB