Running 5s test @ http://127.0.0.1:54797/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   381.23us  181.47us   5.58ms   99.02%
    Req/Sec    43.20k     2.10k   56.56k    88.67%
  Latency Distribution
     50%  367.00us
     75%  373.00us
     90%  379.00us
     99%  530.00us
  872008 requests in 5.10s, 3.41GB read
Requests/sec: 171009.52
Transfer/sec:    684.97MB