For example, changing the number of threads or loops, or changing a hostname. Often it is useful to be able to re-run the same test with different settings. Performance of JMeter is being constantly improved so always use the latest version of the software available. Performance And Tuning Use Latest Version of JMeter We will look at configuring these options in our performance and tuning section. It also lets you control whether or not JMeter parses HTML files for images and other embedded resources and sends HTTP requests to retrieve them.įollowing the same approach we did for adding a thread group, add HTTP Request Sample and HTTP Header Manager by selecting these options from your thread group -Īdd -> Config Element -> HTTP Header Manager HTTP Request Sampler lets you send an HTTP/HTTPS request to a web server. Since we are going to perform our load test against a REST API, we require HTTP Request Sampler with options to send headers. In the Thread Group GUI, you can control the number of users simulated (number of threads), the ramp up time (how long it takes to start all the threads), the number of times to perform the test, and optionally, a start and stop time for the test. Next, we add a Thread Group to our test plan.Ī Thread Group defines a pool of users that will execute a particular test case against your server. You can change the name of the test plan as required. JMeter GUI will open up with a default test plan. Incase of windows, this can be done by running ApacheJMeter.jar file. Run the JMeter in GUI mode to create the scripts. JMeter is a java based application and hence it requires Java to be available in your machine.Ĭheck if you have Java installed by running below command:įor our guide, we will be looking at the steps to load test a REST API. It can be used to simulate a heavy load on a server, group of servers, network or object to test its strength or to analyze overall performance under different load types. Apache JMeter is a Java application designed to load test functional behavior and measure performance.Īpache JMeter may be used to test performance both on static and dynamic resources, Web dynamic applications.
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