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Guide to Install J Meter Operating system Support for J meter JMeter is a pure Java application and should run correctly on any system that has a compatible Java implementation. Here is the list of operating system compatible with JMeter

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Steps to Install JMeter

Step 1) Install JavaBecause JMeter is pure Java desktop application, it requires a fully compliant JVM 6 or higher. You can download and install the latest version of Java SE Development Kit.

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After installation is finished, you can use the following procedure to check whether Java JDK is installed successfully in your systemIn Window/Linux, go to TerminalEnter command java –versionIf Java runtime environment is installed successfully, you will see the output as figure below

If nothing displays, please re-install Java SE runtime environment

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Step 2) Download JmeterFind the jmeter from the url www.apache.org Choose the Binaries file (either zip or tgz) to download as shown in figure below

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Step 3) InstallationInstallation of JMeter is extremely easy and simple. You simply unzip the zip/tar file into the directory where you want JMeter to be installed. There is no tedious installation screen to deal with! Simple unzip and you are done!Once the unzipping is done installation directory structure should look like as figure below

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Given below is the description of the JMeter directories and its importance JMeter directory contains many files and directory/bin: Contains JMeter script file for starting JMeter/docs: JMeter documentation files/extras: ant related extra files/lib/: Contains the required Java library for JMeter/lib/ext: contains the core jar files for JMeter and the protocols/lib/ junit: JUnit library used for JMeter/printable_docs:

Step 4) Launch JMeter

You can start JMeter in 3 modesGUI ModeServer ModeCommand Line Mode

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If you are using Window, just run the file /bin/jmeter.bat to start JMeter in GUI mode as shown below

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In Bin Click on jmeter.bat

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J-Meter Element

The different components of JMeter are called Elements. Each Element is designed for a specific purpose.The figure below gives the some common elements in JMeter.

Thread Group

Thread Groups is a collection of Threads. Each thread represents one user using

the application under test. Basically each Thread simulates one real user request to

the server.

The controls for a thread group allow you to Set the number of threads for each group.

For example, if you set the number of threads as 100; JMeter will create and simulate 100 user requests to the server under test.

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SamplersJMeter supports testing HTTP, FTP , JDBC and many other protocols. Thread Groups simulate user request to the server The user request could be FTP Request, HTTP Request, JDBC Request...Etc.

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FTP request:Let imagine you want to performance test an FTP server. You can use FTP request sampler in JMeter to do this task. This controller lets you send an FTP "download file" or "upload file" request to an FTP server.

For example, if you want to download a file "Test.txt" from a FTP server under test, you need to configure some parameters in JMeter as figure below

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JMeter will send FTP command to FTP server

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HTTP request:

This sampler lets you send an HTTP/HTTPS request to a web server. Consider the example below. JMeter send a HTTP request to Google website and retrieve HTML files or image from this website.

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JDBC request:

This sampler lets you execute Database Performance Testing. It sends a JDBC Request (an SQL query) to a database.

For example, a database server has a field test_result stored in a table name test_tbl. You want to query this data from the database server; you can configure JMeter to send a SQL query to this server to retrieve data.

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BSF Sampler:This sampler allows you to write a sampler using a BSF scripting language.

Here is an example of BSF  Sampler in Jmeter

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SMTP Sampler:To test a mail server STMP sampler is use, This sampler is used to send email messages using SMTP protocol.

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