Controllers are basically used to control the execution flow. For example, you want some group of requests to execute more times as compared to the others, use the controller to solve this purpose. Simple controllers are the just container to store similar kind of request as per your need.Also to know is, what is the use of transaction controller in JMeter?
Transaction Controller is generates an extra samples same as HTTP Samples in order to measures the overall time taken or response time of Transaction controller of child test samples,don't worry we will learn in details with real-time examples.
Similarly, what is interleave controller in JMeter? Interleave Controller provides functionality to run all user request in each loop and request in each loop will be in sequential order.
Regarding this, what is switch controller in JMeter?
The Weighted Switch Controller is an Apache JMeter™ extension that is used to set sampler execution frequency. It determines and manages the weights of its child elements, saving you the time of creating constructions. A weight is a numeric value, and the bigger it is, the more significant the element is.
What is simple controller in JMeter?
Example of Simple Controller (sample usage) Simple Controller does not provide any customization or change of loop count, randomization etc as otehr logic controllers do. Think of it just as a container for samplers. Its used as sub-element of other logic controllers and serves to group a set of samplers.
What is HTTP request defaults in JMeter?
HTTP Request Defaults is one of the jmeter configuration element. You can set default values for HTTP Request controllers using HTTP Request Defaults in your software load test plan. Let's say, You have software load test plan with 10 HTTP requests and all requests are being sent to same server.What is throughput controller in JMeter?
A standard JMeter Performance script contains test scenarios organized under separate logic controllers. These controllers let you define the order of user request to execute. It allows you to setup user load distribution to create production like behavior when doing load testing.What is runtime controller in JMeter?
Runtime Controller controls the execution of its samplers/requests for the given time. For example, if you have specified Runtime(seconds) to “20”, JMeter will run your test for 20 seconds only.What is a sampler in JMeter?
Samplers in JMeter allows JMeter to send different types of requests to a server. Samplers are the actual requests, JMeter sends to the web server under test. Each sampler (except Test Action) generates one or more sample results.What is Loop in JMeter?
Loop: Loop is just the number of iterations your test or script will perform. That means if you have given loop count as 3, then your whole script will run 3 times. I hope you get the clear picture. If you want to know more about performance testing and learn jmeter then follow my blog. Learn Performance Testing.What is test fragment in JMeter?
Test Fragment: Test Fragment element is a special controller which can be added directly under JMeter test plan like Thread Group. But It does nothing except holding other elements inside!! It gets executed only when it is referenced by a Module/Include controller from other Thread Groups.What is assertion in JMeter?
Assertion in JMeter is used to validate response of the request, that you have sent to the server. Assertion is a process where you verify expected result with the actual result of the request at run time. If you need to apply assertion on a particular Sampler, then add it as a child of that Sampler.What is ramp up period in JMeter?
The ramp-up period tells JMeter how long to take to "ramp-up" to the full number of threads chosen. If 10 threads are used, and the ramp-up period is 100 seconds, then JMeter will take 100 seconds to get all 10 threads up and running. Each thread will start 10 (100/10) seconds after the previous thread was begun.Where is HTTP proxy server configured for the JMeter?
Click “Advanced” tab on the left and then select “Network” tab. Click on “Settings” button in the Connection section. Choose “Manual Proxy Configuration.” Type HTTP Proxy as localhost or enter IP Address of your system and then set port as 8080 (Check whether this port is free.How add multiple HTTP request in JMeter?
Right click on Thread Group and go to Add->Config Element->HTTP Request Defaults. Enter name or IP address of your server in Server Name or IP and your application's port number in Port Number field.What is a thread group in JMeter?
A Thread Group is a set of threads executing the same scenario. It is the base element for every JMeter test plan. There are multiple thread groups available which can be configured to simulate how the users interact with the application, how the load is maintained and over what period of time.How do I run parallel requests in JMeter?
Parallel requests are requests that are not executed one after the other, but simultaneously. For example, to handle AJAX requests or perform other simultaneous actions in a load script. You can install the Parallel Controller by using the JMeter Plugins Manager. It is called the Parallel Controller & Sampler.What is do while in JMeter?
A while loop is a control flow statement that allows code to be executed repeatedly based on a given Boolean condition. It's just a repeated IF→THEN statement. IF the condition is true, THEN execute the statements inside the IF block. JMeter implements this while loop by using the JMeter While Controller. 
