Jmeter Throughput Controller and Weighted Switch Controller is used when we want to give specific weightage for specific samplers.
Github link- https://github.com/qaautomated/Jmeter
Jmeter Setup and tear down thread group and very important to configure test where you want certail things to execute before and after your tests like creation of csv data files , login with admin user once etc. Learn in detail about set up and tear down thread group in this video with complete example . https://github.com/qaautomated/Jmeter/blob/main/setUpAndTearDown.jmx Learn more about jmeter - https://www.qaautomated.com/p/blog-page_7.html