Apache Stress test-ab

Test environment:

Operating system: CentOS release 6.6 (Final)

Apache Performance Test Tool Ab:this is Apachebench, Version 2.3

1.Apache 's own stress test software AB test.

2.Apache Benchmark abbreviation AB,AB is the Apache benchmark test tool.

3.yum-y Install Httpd-tools # can be installed separately AB

4.AB pressure test, you may want to create a lot of test files and delete, too many files system will be error, modified as follows: Ulimit–n 3600

ab test common commands

Format:./ab[options][http://]hostname[:p Ort]/path

- N number of requests executed in the test session, by default, only one request is executed

- C the number of requests produced at one time. The default is one at a time

- T maximum number of seconds to test

- v sets the level of detail that displays information, which may be negative to positive, and the larger the value, the more detailed the information is displayed.

ab Test Example one

[Email protected]/]# ab-c 100-n http://117.40.239.9/bbs/forum.php

Thisis Apachebench, Version 2.3 < $Revision: 655654 $>

Copyright1996 Adam Twiss, Zeus technology LTD, http://www.zeustech.net/

Licensedto the Apache software Foundation, http://www.apache.org/

Benchmarking117.40.239.9 (Be patient)

Completed100 Requests

Completed200 Requests

Completed300 Requests

Completed400 Requests

Completed500 Requests

Completed600 Requests

Completed700 Requests

Completed800 Requests

Completed900 Requests

Completed1000 Requests

Finished1000 Requests

serversoftware:apache/2.2.15 #web Server Software

serverhostname:117.40.239.9 # Server IP Address

Server port:80 # Server Port

documentpath:/bbs/forum.php # Access Path

documentlength:50602 Bytes # size of the Access file

concurrencylevel:100 # number of concurrent requests, that is, the number of people visiting at the same time

Time taken for tests:43.837 seconds # Response Time

completerequests:1000 # total number of response requests

Failedrequests:1 # number of failed requests

(connect:0, receive:0, length:1,exceptions:0)

writeerrors:0 # number of failed writes

totaltransferred:51367791 Bytes # total amount of data transferred

htmltransferred:50935667 bytes #html Page Size

requestsper second:22.81 [#/sec] (mean) # How many people are supported per second

Timeper request:4383.664 [MS] (mean) # The total time it takes to meet a request

Timeper request:43.837 [MS] (Mean,across all concurrent requests)

Transfer Rate:1144.34[kbytes/sec] received # average number of bytes received per second

Connectiontimes (MS)

Min MEAN[+/-SD] Median max

Connect:3 473 286.7 625 2182

processing:99 3768 2052.3 3174 19915

waiting:0 1699 1663.2 780 7835

total:102 4241 2048.6 3486 20545

Percentageof the requests served within a certain time (MS)

50% 3486

66% 3997

75% 4633

80% 5281

90% 7159

95% 8564

98% 10118

99% 11416

100% 20545 (Longest request)

ab Test Example two

[Email protected]/]# AB www.hao123.com/

Thisis Apachebench, Version 2.3 < $Revision: 655654 $>

Copyright1996 Adam Twiss, Zeus technology LTD, http://www.zeustech.net/

Licensedto the Apache software Foundation, http://www.apache.org/

Benchmarkingwww.hao123.com (Be patient) ... done

serversoftware:bws/1.0

ServerHostname:www.hao123.com

Server Port :

Documentpath:/

documentlength:567641 bytes

Concurrencylevel:1

Timetaken for tests:0.948 seconds

Completerequests:1

failedrequests:0

writeerrors:0

totaltransferred:568191 bytes

htmltransferred:567641 bytes

Requestsper second:1.05 [#/sec] (mean)

Timeper request:948.005 [MS] (mean)

Timeper request:948.005 [MS] (Mean,across all concurrent requests)

transferrate:585.31 [kbytes/sec]received

Connectiontimes (MS)

Min MEAN[+/-SD] Median max

CONNECT:64 64 0.0 64 64

processing:884 884 0.0 884 884

WAITING:95 95 0.0 95 95

total:948 948 0.0 948 948

This article is from the "Linux~dba~mba~eie" blog, make sure to keep this source http://sky9896.blog.51cto.com/2330653/1713508

Apache Stress test-ab