JMeter learning experience

1、 Download address ：http://jmeter.apache.org/download_jmeter.cgi （ For the time being 4.0 edition , This version is recommended ）

2、 Change of language ：

Temporary changes -Options-Choose Language

Permanent change -/bin/jmeter.properties In profile #language=en Change to such as language=zh_CN

3、 Command execution parameter meaning （ Not gui The next test can greatly reduce the required system resources ）：

-h help -> Print out useful information and exit

-n Not GUI Pattern -> In Africa GUI Run in mode JMeter

-t The test file -> To run JMeter Test script file

-l Log files -> Documentation of results

-r Remote execution -> stay Jmter.properties All remote servers specified in the file

-H Proxy host -> Set up JMeter Proxy host used

-P The proxy port -> Set up JMeter Port number of the proxy host used

 

Example ：/home/zheren/JMeter/bin/jmeter -n -t /home/zheren/JMeter/jmxdir/test.jmx -l /home/zheren/JMeter/log/logfile.jtl

4、Jmeter Cannot load JDBC driver class 'com.mysql.jdbc.Driver'

resolvent ：

The reason is that it is indeed connected mysql The driver , download mysql-connector-java-5.1.44-bin.jar, Any version can , Press your own mysql Version , take jar Put the bag in jmeter Under the installation path apache-jmeter-3.2\lib\ext in , And then restart JMeter that will do .

5、 Connection database configuration （ The configuration element --JDBC Connection Configuration）：

6、 Regular expression extractor （ Post Processors -- Regular expression extractor ）

Regular expressions ：

()： The enclosed part is to be extracted .

.： Match any string .

+： Once or more .

?： Stop after first match found .