title: What is purpose to use setup threadgroup and teardown threagroup in Jmeter? Please explain same with example
body: <p>What is purpose to use setup threadgroup and teardown threagroup in Jmeter? Please explain same with example.</p>
  
  <p>I know why we use thread groups and also aware of fact that setup is for pre activities like creating user and monitoring purpose but not sure with an incident where can i use it. same with tear down.</p>