ab -kc 1000 -n 100000 http://localhost:81/ipsum.html

This is ApacheBench, Version 2.3 <$Revision: 655654 $>
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:        kangle/3.1.8
Server Hostname:        localhost
Server Port:            81

Document Path:          /ipsum.html
Document Length:        4535 bytes

Concurrency Level:      1000
Time taken for tests:   3.130 seconds
Complete requests:      100000
Failed requests:        0
Write errors:           0
Keep-Alive requests:    100000
Total transferred:      475400000 bytes
HTML transferred:       453500000 bytes
Requests per second:    31953.20 [#/sec] (mean)
Time per request:       31.296 [ms] (mean)
Time per request:       0.031 [ms] (mean, across all concurrent requests)
Transfer rate:          148345.23 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   3.2      0      41
Processing:    14   31   3.0     31      70
Waiting:       14   31   3.0     31      70
Total:         14   31   4.2     31      70

Percentage of the requests served within a certain time (ms)
  50%     31
  66%     31
  75%     31
  80%     31
  90%     32
  95%     32
  98%     35
  99%     57
 100%     70 (longest request)