Running 5s test @ http://127.0.0.1:50057/echo
  4 threads and 64 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.08ms  306.17us   7.05ms   90.46%
    Req/Sec    14.71k     2.45k   47.98k    99.00%
  Latency Distribution
     50%    1.05ms
     75%    1.10ms
     90%    1.16ms
     99%    2.14ms
  294071 requests in 5.10s, 1.15GB read
Requests/sec:  57659.64
Transfer/sec:    230.95MB