Install the webbentch stress testing tool in ubuntu 14.04 LTS, 14.04 webbentch

Install the webbentch stress testing tool in ubuntu 14.04 LTS, 14.04 webbentch

1. Security AB command

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1. Sudo apt-get install apache2-utils

2. AB command parameter description

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1. Usage: AB [options] [http [s]: //] hostname [: port]/path
2. Options are:
4. // Total number of requests
5. -N requests Number of requests to perform
7. // Total number of concurrent requests (n) = count * Number of concurrent requests (c)
8. -C concurrency Number of multiple requests to make
10. -T timelimit Seconds to max. wait for responses
11. -B windowsize Size of TCP send/receive buffer, in bytes
12. -P postfile File containing data to POST. Remember also to set-T
13. -U putfile File containing data to PUT. Remember also to set-T
14. -T content-type Content-type header for POSTing, eg.
15. 'Application/x-www-form-urlencoded'
16. Default is 'text/plain'
17. -V verbosity How much troubleshooting info to print
18. -W Print out results in HTML tables
19. -I Use HEAD instead of GET
20. -X attributes String to insert as table attributes
21. -Y attributes String to insert as tr attributes
22. -Z attributes String to insert as td or th attributes
23. -C attribute Add cookie, eg. 'apache = 1234. (repeatable)
24. -H attribute Add Arbitrary header line, eg. 'Accept-Encoding: gzip'
25. Inserted after all normal header lines. (repeatable)
26. -A attribute Add Basic WWW Authentication, the attributes
27. Are a colon separated username and password.
28. -P attribute Add Basic Proxy Authentication, the attributes
29. Are a colon separated username and password.
30. -X proxy: port Proxyserver and port number to use
31. -V Print version number and exit
32. -K Use HTTP KeepAlive feature
33. -D Do not show percentiles served table.
34. -S Do not show confidence estimators and warnings.
35. -G filename Output collected data to gnuplot format file.
36. -E filename Output CSV file with percentages served
37. -R Don't exit on socket receive errors.
38. -H Display usage information (this message)
39. -Z ciphersuite Specify SSL/TLS cipher suite (See openssl ciphers)
40. -F protocol Specify SSL/TLS protocol (SSL2, SSL3, TLS1, or ALL)

3. Run the AB-n 100-c 10 http://www.meetu.hk/100 requests to the http://www.meetu.hk/, 10 concurrent request stress test results.

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1. Server Software: lighttpd/1.4.20
2. Server Hostname: www.meetu.hk
3. Server Port: 80
5. Document Path :/
6. Document Length: 2095 bytes
8. Concurrency Level: 10
10. // Test duration
11. Time taken for tests: 3.303 seconds
13. // Number of completed requests
14. Complete requests: 100
15. Failed requests: 0
16. Write errors: 0
17. Total transferred: 235200 bytes
18. HTML transferred: 209500 bytes
20. // Process 30 requests per second on average
21. Requests per secondd: 30.27 [#/sec] (mean)
23. // The average processing time of each request is 330 milliseconds. Note: Here, 10 concurrent requests are regarded as a whole.
24. Time per request: 330.335 [MS] (mean)
26. // The average processing time of each concurrent request is 33 Ms
27. Time per request: 33.034 [MS] (mean, internal SS all concurrent requests)
28. Transfer rate: 69.53 [Kbytes/sec] canceled ed
30. Connection Times (MS)
31. Min mean [+/-sd] median max
32. Connect: 51 170 35.9 178 230
33. Processing: 60 153 64.5 121 263
34. Waiting: 55 148 64.4 115
35. Total: 235 322 59.9 299
37. Percentage of the requests served within a certain time (MS)
39. // 100 of these 50% requests are completed within 299 milliseconds
40. 50% 299
42. // 100 of these 66% requests are completed within 312 milliseconds
43. 66% 312
44. 75% 383
45. 80% 412
46. 90% 431
47. 95% 432
48. 98% 436
49. 99% 437
50. 100% 437 (longest request)