How to implement performance testing with Jmeter
This article introduces the knowledge of "how to achieve performance testing in Jmeter". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!
1.1 Overview
JMeter, every senior test engineer, must master the testing tools, proficient in the use of Jmeter can greatly improve work efficiency. After you are proficient in using Jmeter, you won't be able to use LoadRunner if you can do things with Jmeter. Jmeter is a free open source testing tool developed using Java, which is mainly used for functional testing and performance testing (stress testing / load testing). And use Jmeter to test Restful API, very easy to use.
1.2 protocols supported by JMeter
Web 2.0 of Web1.0 of web:HTTP,HTTPS site (ajax, flex and flex-ws-amf)
Web Services: SOAP / XML-RPC
Through the database of JDBC driver
Directory: LDAP
Message-oriented services through JMS
Service: POP3, IMAP, SMTP
FTP service
1.3The effect of Jmeter
It's free. Open source software.
It has a simple and intuitive graphical user interface.
There are many different server types for load and performance testing in JMeter: website-HTTP,HTTPS,SOAP, database via JDBC,LDAP,JMS, mail-POP3
It is a platform-independent tool. Click on the shell script in Linux / UNIX,JMeter in JMeter to call it. On Windows, it can call the startup jmeter.bat file.
It has full Swing and lightweight component support (precompiled JAR is used in the package javax.swing).
The JMeter test plan is stored in XML format. This means that a test plan can be generated using a text editor.
Its complete multithreading framework allows different functions of concurrent multithreading and synchronous sampling to be sampled by separate thread groups.
It is highly scalable.
It can also be used to perform automated and functional tests of applications.
1. Performance testing of Jmeter implementation
Step 1: configure the jdk environment
If you want to use Jmeter, your machine must be configured with the environment variable of jdk
Step 2: download jmeter
Step 3: start Jmeter
Under the non-special path, extract the downloaded file, go to the bin directory, and start the project.
Different operating systems have different boot commands.
After clicking jmeter.bat, the command box will pop up and a visual interface will be launched, and then you can add the test plan
Step 4: add a test plan
Right-click the test plan node and select a new element from the "add" list
Here you can set how many users to simulate, the number of cycles, and so on.
Step 5: set up the URL of the test
Step 6: start the test
Press the start button
Step 7: view the test results
Add a listener to select the result tree, and you can see the following:
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