ab是apache自带的一个很好用的压力测试工具,当安装完apache的时候,就可以在bin下面找到ab
下载链接:
Linux/Mac:/download.cgi#apache24
Windows:/cgi-bin/download.plx
下载后解压,并追加PATH环境变量,如";E:\software\Apache24\bin"
1、我们可以模拟100个并发用户,对一个页面发送1000个请求
ab -n1000 -c100 /a.html
其中-n代表请求数,-c代表并发数
返回结果:
##首先是apache的版本信息
This is ApacheBench, Version 2.3 <$Revision: 1796539 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, /
Licensed to The Apache Software Foundation, /
Benchmarking 127.0.0.1 (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Completed 1000 requests
Finished 1000 requests
Server Software: Apache-Coyote/1.1 ##apache版本
Server Hostname: 127.0.0.1 ##请求的机子
Server Port:8080 ##请求端口
Document Path:/
Document Length: 1825 bytes ##页面长度
Concurrency Level: 100 ##并发数
Time taken for tests: 0.273 seconds ##共使用了多少时间
Complete requests: 1000 ##请求数
Failed requests: 0 ##失败请求
Total transferred: 275000 bytes ##总共传输字节数,包含http的头信息等
HTML transferred: 25000 bytes ##html字节数,实际的页面传递字节数
Requests per second: 3661.60 [#/sec] (mean) ##每秒多少请求,这个是非常重要的参数数值,服务器的吞吐量
Time per request: 27.310 [ms] (mean) ##用户平均请求等待时间
Time per request: 0.273 [ms] (mean, across all concurrent requests) ##服务器平均处理时间,也就是服务器吞吐量的倒数
Transfer rate:983.34 [Kbytes/sec] received ##每秒获取的数据长度
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 1 2.3 0 16
Processing: 6 25 3.2 25 32
Waiting: 5 24 3.2 25 32
Total:6 25 4.0 25 48
Percentage of the requests served within a certain time (ms)
50% 25 ## 50%的请求在25ms内返回
66% 26 ## 60%的请求在26ms内返回
75% 26
80% 26
90% 27
95% 31
98% 38
99% 43
100% 48 (longest request)
2、ab也可以运行在windows中,如果在windows下安装apache,就可以在bin下找到ab.exe
直接就可以使用,不用依赖其他的dll
下面是我使用ab.exe 测试一个页面的结果:
C:\Users\Ricky>ab -n1000 -c100 /
This is ApacheBench, Version 2.3 <$Revision: 1796539 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, /
Licensed to The Apache Software Foundation, /
Benchmarking (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Completed 1000 requests
Finished 1000 requests
Server Software: Apache-Coyote/1.1
Server Hostname:
Server Port:80
Document Path:/
Document Length: 187 bytes
Concurrency Level: 100
Time taken for tests: 59.833 seconds
Complete requests: 1000
Failed requests: 0
Total transferred: 424000 bytes
HTML transferred: 187000 bytes
Requests per second: 16.71 [#/sec] (mean)
Time per request: 5983.334 [ms] (mean)
Time per request: 59.833 [ms] (mean, across all concurrent requests)
Transfer rate:6.92 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 40 60 6.0 60 80
Processing: 60 5621 1037.3 5912 5996
Waiting: 60 2973 1718.5 2976 5965
Total: 130 5681 1037.1 5972 6056
Percentage of the requests served within a certain time (ms)
50% 5972
66% 5987
75% 6000
80% 6006
90% 6020
95% 6031
98% 6040
99% 6046
100% 6056 (longest request)
3、apache的ab工具也算是一种ddos攻击工具。
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