ijdele:~# ab -n 500 -c 10 http://www.ess-erfurt.de/index_typo3.php
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 www.ess-erfurt.de (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Finished 500 requests


Server Software:        Apache/2.2.4
Server Hostname:        www.ess-erfurt.de
Server Port:            80

Document Path:          /index_typo3.php
Document Length:        49914 bytes

Concurrency Level:      10
Time taken for tests:   134.141403 seconds
Complete requests:      500
Failed requests:        1
   (Connect: 0, Length: 1, Exceptions: 0)
Write errors:           0
Total transferred:      25194510 bytes
HTML transferred:       24907086 bytes
Requests per second:    3.73 [#/sec] (mean)
Time per request:       2682.828 [ms] (mean)
Time per request:       268.283 [ms] (mean, across all concurrent requests)
Transfer rate:          183.42 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        7    7   0.1      7       8
Processing:  1035 2664 1119.1   2495    9005
Waiting:        0 2511 1112.9   2336    8881
Total:       1042 2671 1119.1   2502    9012

Percentage of the requests served within a certain time (ms)
  50%   2502
  66%   2808
  75%   3059
  80%   3225
  90%   3695
  95%   4174
  98%   7760
  99%   8220
 100%   9012 (longest request)