Before going for describing the benefits of LoadRunner, I would like to tell you few basic questions that a performance test should answer:

• What is the response time of application for end users?
• Can application handle expected load?
• Will the application be able to handle the number of transactions required by business?
• How the application behave under unexpected loads?

LoadRunner helps us to get answers for these questions. Below are some benefits of LoadRunner over manual performance testing:

1. LoadRunner reduces the human resource requirement by replacing real human users with virtual users known as Vusers. Vusers emulate the real user behavior and operate the application in real.
2. LoadRunner reduces the hardware requirements by running multiple Vusers in a single computer.
3. All Vusers can be controlled from a single computer. It makes the performance testing easy and effective.
4. Using LoadRunner, we can monitor the application under testing online – we can fine tune the application during the performance test execution.
5. LoadRunner automatically records performance of application under test. LoadRunner provides lot of graph and reporting options for the analysis of performance test results.
6. Various kinds of delays can be identified using LoadRunner. During the test execution, LoadRunner monitors network and server resources continuously.
7. LoadRunner makes performance regression testing very easy – LoadRunner tests are fully automated.

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