Running 5s test @ http://127.0.0.1:42087/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   383.83us  156.45us   5.11ms   98.62%
    Req/Sec    42.57k     1.69k   50.42k    88.67%
  Latency Distribution
     50%  370.00us
     75%  379.00us
     90%  390.00us
     99%  787.00us
  859521 requests in 5.10s, 3.36GB read
Requests/sec: 168541.53
Transfer/sec:    675.08MB