Using Apache HTTP server benchmarking tool to test a url

From duguo.org

Sample command

Following command will run 5 seconds and with 5 concurrency level to send request to http://localhost/

ab -c 5 -t 5 http://localhost/

Sample output

This is ApacheBench, Version 2.0.41-dev <$Revision: 1.141 $> apache-2.0
Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Copyright (c) 1998-2002 The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)
Finished 10 requests


Server Software:        Microsoft-IIS/6.0
Server Hostname:        localhost
Server Port:            80

Document Path:          /c
Document Length:        23865 bytes

Concurrency Level:      5
Time taken for tests:   5.761061 seconds
Complete requests:      10
Failed requests:        0
Write errors:           0
Total transferred:      242130 bytes
HTML transferred:       238650 bytes
Requests per second:    1.74 [#/sec] (mean)
Time per request:       2880.531 [ms] (mean)
Time per request:       576.106 [ms] (mean, across all concurrent requests)
Transfer rate:          40.96 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:      219  319  89.7    351     480
Processing:  1506 1761 186.0   1751    2037
Waiting:      236  739 427.0    836    1445
Total:       1809 2080 184.1   2130    2403

Percentage of the requests served within a certain time (ms)
  50%   2130
  66%   2182
  75%   2213
  80%   2256
  90%   2403
  95%   2403
  98%   2403
  99%   2403
 100%   2403 (longest request)