node --version
v10.5.0
R=10 PORT=3000 node express/router.js
ab -c 100 -n 10000 http://localhost:3000/10
Master 3492 is running
This is ApacheBench, Version 2.3 <$Revision: 1826891 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)


Server Software:        
Server Hostname:        localhost
Server Port:            3000

Document Path:          /10
Document Length:        2 bytes

Concurrency Level:      100
Time taken for tests:   34.585 seconds
Complete requests:      10000
Failed requests:        0
Total transferred:      2000000 bytes
HTML transferred:       20000 bytes
Requests per second:    289.14 [#/sec] (mean)
Time per request:       345.854 [ms] (mean)
Time per request:       3.459 [ms] (mean, across all concurrent requests)
Transfer rate:          56.47 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0  321 2196.8      9   19189
Processing:    10   24  16.2     22     370
Waiting:       10   22  15.2     20     370
Total:         10  345 2195.9     35   19215

Percentage of the requests served within a certain time (ms)
  50%     35
  66%     43
  75%     46
  80%     49
  90%     56
  95%     69
  98%   8836
  99%  19175
 100%  19215 (longest request)