1 输入参数
运行参数
|
简写 |
名称 |
意义 |
|
-n |
requests |
Number of requests to perform |
|
-c |
concurrency |
Number of multiple requests to make（最大为1024） |
|
-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) |
|
举例：ab –n 1000 –c 10 http://localhost:8080/test/index.jsp
表示向本机8080端口发送1000个请求，并发数为10
2 输出及解析
This is ApacheBench, Version 2.0.40-dev <$Revision: 1.146 $> apache-2.0
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Copyright 1997-2005 The Apache Software Foundation, http://www.apache.org/
Benchmarking localhost (be patient).....done
Server Software: Apache-Coyote/1.1
Server Hostname: localhost
Server Port: 8080
Document Path: /test/index.jsp
Document Length: 163 bytes
Concurrency Level: 10
/*整个测试持续的时间*/
Time taken for tests: 1.344 seconds
/*完成的请求数量*/
Complete requests: 1000
/*失败的请求数量*/
Failed requests: 0
Write errors: 0
/*整个场景中的网络传输量*/
Total transferred: 388000bytes
/*整个场景中的HTML内容传输量*/
HTML transferred: 163000 bytes
/*每秒事务数，后面括号中的 mean 表示这是一个平均值*/
Requests per second: 744.19 [#/sec] (mean)
/* 平均事务响应时间，后面括号中的 mean 表示这是一个平均值*/
Time per request: 13.438 [ms] (mean)
/*平均事物响应时间/并发数 */
Time per request: 1.344 [ms] (mean, across all concurrent requests)
/*平均每秒网络上的流量，可以帮助排除是否存在网络流量过大导致响应时间延长的问题*/
Transfer rate: 281.98 [Kbytes/sec] received
/*网络上消耗的时间的分解*/
Connection Times (ms)
min mean[ + / - sd ] median max
Connect: 20 318 926.1 30 2954
Processing: 40 2160 1462.0 3034 3154
Waiting: 40 2160 1462.0 3034 3154
Total: 60 2479 1276.4 3064 3184
/*整个场景中所有请求的响应情况。在场景中每个请求都有一个响应时间，其中 50％ 的用户响应时间小于 3064 毫秒，60 ％ 的用户响应时间小于 3094 毫秒，最大的响应时间小于 3184 毫秒*/
Percentage of the requests served within a certain time (ms)
50% 16
66% 16
75% 16
80% 16
90% 16
95% 31
98% 94
99% 313
100% 328 (longest request)