Running 3s test @ http://127.0.0.1:42749/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.21ms  569.25us   9.35ms   87.09%
    Req/Sec    13.46k     3.51k   48.68k    95.87%
  Latency Distribution
     50%    1.12ms
     75%    1.18ms
     90%    1.47ms
     99%    3.89ms
  161938 requests in 3.10s, 648.63MB read
Requests/sec:  52247.08
Transfer/sec:    209.27MB