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JMeter Tutorials

Thread Group In JMeter With Examples

One of first elements that we need to configure to execute a load test is the 'Thread Group'. These threads are created with Thread Group element. Each thread that executes the test plan is completely independent of other test threads. Multiple threads can used to simulate concurrent connections to the target server.

Using Thread Group, we can control the number of users Simulated (Number of threads), the ramp up time (how long it takes to start all the threads), and the number of times to perform the test.

JMeter thread group overview:

Elements of a Test Plan in JMeter

Elements or components of a JMeter Test Plan would comprise at least one Thread Group. Test plan is the container for all test objects. Test plans are sets of requests against local or remote servers (or clients) configured to run by following specific instructions.
JMeter test plans are composed of different elements. Here is a list of the most important ones and we will discuss them one by one in next sections:

How to install Apache JMeter and Launch JMeter

As JMeter is a 100% Java application, so java needs to be installed with a JAVA_HOME environment variable. To check if java is installed, open the command prompt and type command java –version to check. If Java is installed successfully, then please proceed else install java and then Just Download JMeter and install by unzipping the .zip or .tgz file in any location. For latest version of Apache JMeter 3.0 requires Java 7 or later version.

Apache JMeter features and How it works

Apache JMeter may be used to test functional and performance both on static and dynamic resources (files, Servlets, Perl scripts, Java Objects, Data Bases and Queries, FTP Servers and more). It can be used to simulate a heavy load on a server, network or object to test its strength or to analyze overall performance under different load types. You can also use it perform a functional test on websites, databases, LDAPs, web services etc.

Introduction to Apache JMeter Performance Testing tool

Apache JMeter is one of the most popular tool to measure the performance of web application or variety of services. It can be used to simulate a heavy load on a server or network or object to analyze and measure performance under different load types.

"The Apache JMeter™ application is open source software, a 100% pure Java application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test functions."

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