Posts tagged apachebench

Apachebench
posted on 2015-02-18 13:45:50

apachebench (long for ab) is dubbed the 'Apache HTTP server benchmarking tool'.

Straight from the man page:

ab is a tool for benchmarking your Apache Hypertext Transfer Protocol (HTTP) server. It is designed to give you an impression of how your current Apache installation performs. This especially shows you how many requests per second your Apache installation is capable of serving.

An usage example here:

ab -n200 -c25 <url>, where n is the number of requests, and c the number of concurrent ones.

[sjas@ctr-014 ~]% ab -n200 -c25 http://google.de/                                                                                 
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 google.de (be patient)
Completed 100 requests
Completed 200 requests
Finished 200 requests


Server Software:        gws
Server Hostname:        google.de
Server Port:            80

Document Path:          /
Document Length:        218 bytes

Concurrency Level:      25
Time taken for tests:   0.541 seconds
Complete requests:      200
Failed requests:        0
Write errors:           0
Non-2xx responses:      200
Total transferred:      114800 bytes
HTML transferred:       43600 bytes
Requests per second:    369.41 [#/sec] (mean)
Time per request:       67.676 [ms] (mean)
Time per request:       2.707 [ms] (mean, across all concurrent requests)
Transfer rate:          207.07 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:       11   11   0.2     11      12
Processing:    46   51  22.5     49     304
Waiting:       46   51  22.5     49     304
Total:         57   62  22.5     60     315

Percentage of the requests served within a certain time (ms)
  50%     60
  66%     60
  75%     61
  80%     61
  90%     61
  95%     62
  98%     66
  99%    249
 100%    315 (longest request)

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