ITzoo.de - Admin-FAQ

$ su 

$ ab -kc 10 -t 30 http://localhost/

$ sudo ab2 -kc 10 -t 30 http://localhost/

This is ApacheBench, Version 2.0.41-dev <$Revision: 1.121.2.12 $> 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)
Completed 5000 requests
Completed 10000 requests
Completed 15000 requests
Completed 20000 requests
Finished 21886 requests
	
	
Server Software:        Apache/2.0.53
Server Hostname:        localhost
Server Port:            80

Document Path:          /
Document Length:        1693 bytes

Concurrency Level:      10
Time taken for tests:   30.6090 seconds
Complete requests:      21886
Failed requests:        0
Write errors:           0
Keep-Alive requests:    21674
Total transferred:      43434176 bytes
HTML transferred:       37052998 bytes
Requests per second:    729.39 [#/sec] (mean)
Time per request:       13.710 [ms] (mean)
Time per request:       1.371 [ms] (mean, across all concurrent requests)
Transfer rate:          1413.58 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   1.3      0      40
Processing:     1   13  16.3     12    1158
Waiting:        0   12  16.2     11    1158
Total:          1   13  16.5     12    1158

Percentage of the requests served within a certain time (ms)
  50%     12
  66%     12
  75%     13
  80%     14
  90%     17
  95%     22
  98%     41
  99%     65
 100%   1158 (longest request)

$ ab2 --help

b2: wrong number of arguments
Usage: ab2 [options] [http://]hostname[:port]/path
Options are:
    -n requests     Number of requests to perform
    -c concurrency  Number of multiple requests to make
    -t timelimit    Seconds to max. wait for responses
    -p postfile     File containing data to POST
    -T content-type Content-type header for POSTing
    -v verbosity    How much troubleshooting info to print
    -w              Print out results in HTML tables
    -i              Use HEAD instead of GET
    -x attributes   String to insert as table attributes
    -y attributes   String to insert as tr attributes
    -z attributes   String to insert as td or th attributes
    -C attribute    Add cookie, eg. 'Apache=1234. (repeatable)
    -H attribute    Add Arbitrary header line, eg. 'Accept-Encoding: gzip'
                    Inserted after all normal header lines. (repeatable)
    -A attribute    Add Basic WWW Authentication, the attributes
                    are a colon separated username and password.
    -P attribute    Add Basic Proxy Authentication, the attributes
                    are a colon separated username and password.
    -X proxy:port   Proxyserver and port number to use
    -V              Print version number and exit
    -k              Use HTTP KeepAlive feature
    -d              Do not show percentiles served table.
    -S              Do not show confidence estimators and warnings.
    -g filename     Output collected data to gnuplot format file.
    -e filename     Output CSV file with percentages served
    -h              Display usage information (this message)