Running 5s test @ http://127.0.0.1:48821/echo
  4 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     3.93ms  765.61us  16.81ms   97.61%
    Req/Sec    16.16k     0.92k   17.41k    71.50%
  Latency Distribution
     50%    3.79ms
     75%    4.05ms
     90%    4.15ms
     99%    7.14ms
  321458 requests in 5.03s, 1.27GB read
Requests/sec:  63919.52
Transfer/sec:    258.65MB