$ ab -n 1000 -c 4 http://localhost:8080/sillytestapp/greetings
This is ApacheBench, Version 2.0.40-dev <$Revision: 1.146 $> apache-2.0
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Copyright 2006 The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Finished 1000 requests


Server Software:        
Server Hostname:        localhost
Server Port:            8080

Document Path:          /sillytestapp/greetings
Document Length:        41 bytes

Concurrency Level:      4
Time taken for tests:   13.667604 seconds
Complete requests:      1000
Failed requests:        13
   (Connect: 0, Length: 13, Exceptions: 0)
Write errors:           0
Non-2xx responses:      13
Total transferred:      372881 bytes
HTML transferred:       52778 bytes
Requests per second:    73.17 [#/sec] (mean)
Time per request:       54.670 [ms] (mean)
Time per request:       13.668 [ms] (mean, across all concurrent requests)
Transfer rate:          26.63 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   1.1      0      18
Processing:    16   53  20.8     50     217
Waiting:       16   53  20.8     49     216
Total:         16   54  20.8     50     218

Percentage of the requests served within a certain time (ms)
  50%     50
  66%     58
  75%     64
  80%     67
  90%     80
  95%     92
  98%    112
  99%    126
 100%    218 (longest request)