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LoadRunner

Mercury LoadRunner – Shareware

LoadRunner: The Ultimate Performance Testing Tool

Elena Angelini

Mercury LoadRunner offers comprehensive performance testing solutions by simulating user loads and identifying system bottlenecks, making it an essential tool for ensuring high application quality.
2025 Editor's Rating
LoadRunner by Mercury LoadRunner is a software testing tool used to assess and measure the performance of various applications and systems. This tool is commonly used by software testers, developers, and quality assurance professionals to ensure that applications and systems can handle the demands of real-world scenarios.

With LoadRunner, users can simulate user traffic for web applications, mobile devices, APIs, and other enterprise applications. The tool enables users to create realistic workloads and emulate thousands of concurrent users to test the performance, scalability, and reliability of these applications under different conditions.

LoadRunner offers a wide range of features such as virtual user generators, load generators, analysis tools, and monitoring tools. Through these features, users can accurately measure application key performance indicators like response time, throughput, and resource usage during specific test scenarios.

Moreover, the tool's report generation and analysis capabilities enable users to identify performance bottlenecks and other issues that need to be fixed before going live. LoadRunner is a powerful software testing tool that helps organizations ensure that their applications deliver optimal performance under various conditions.

Overview

LoadRunner is a Shareware software in the category Miscellaneous developed by Mercury LoadRunner.

The latest version of LoadRunner is currently unknown. It was initially added to our database on 10/30/2007.

LoadRunner runs on the following operating systems: Windows.

LoadRunner has not been rated by our users yet.

Pros

  • Excellent performance testing tool for identifying and resolving performance bottlenecks in applications.
  • Supports a wide range of protocols and technologies, making it versatile for testing different types of applications.
  • Comes with a user-friendly interface and robust reporting capabilities, making it easy to analyze test results.
  • Integrates well with other tools in the software development lifecycle, such as CI/CD pipeline tools.
  • Offers a variety of scripting options for creating complex performance test scenarios.
  • Provides detailed monitoring and analysis features during test execution.
  • Offers a large online community and resources for support and learning.

Cons

  • Expensive licensing fees can be a barrier for smaller organizations or projects.
  • Can have a steep learning curve for beginners or those new to performance testing.
  • Requires significant resources in terms of hardware and infrastructure to run large-scale tests effectively.
  • The tool can be resource-intensive itself, potentially impacting the system under test.
  • May not offer as extensive support for some new or emerging technologies compared to other newer tools.

FAQ

What is LoadRunner?

LoadRunner is a performance testing tool developed by Mercury LoadRunner, which is now part of Micro Focus. It helps testers simulate real user loads and monitor system behavior under different loads.

What are the components of LoadRunner?

LoadRunner consists of three core components: Virtual User Generator (VuGen), Controller, and Analysis. VuGen is used to create scripts, Controller manages the load testing scenarios, and Analysis helps analyze test results.

What is a virtual user in LoadRunner?

A virtual user in LoadRunner represents a simulated user that executes predefined actions in an application during load testing scenarios. Multiple virtual users can be created to simulate different user loads.

What are the types of protocols supported by LoadRunner?

LoadRunner supports various protocols such as HTTP/HTML, web services, SAP, Citrix, .NET, Java, Oracle NCA, and more. Different protocols can be used based on the application being tested.

How does LoadRunner handle dynamic values in scripts?

LoadRunner provides mechanisms like correlation and parameterization to handle dynamic values in scripts. Correlation captures dynamic values automatically, and parameterization allows substituting different data for each virtual user.

Can LoadRunner integrate with other testing tools?

Yes, LoadRunner can integrate with other testing tools such as ALM (Application Lifecycle Management), QTest, JIRA, Jenkins, and various CI/CD tools to enable end-to-end testing and continuous integration.

What is the purpose of test scenarios in LoadRunner?

Test scenarios in LoadRunner define the configuration, workload, and timing aspects of the load tests. They determine how many virtual users to simulate, what scripts to use, how ramp-up and ramp-down should occur, and more.

Can LoadRunner generate reports on test results?

LoadRunner provides detailed reports on test results through its Analysis component. These reports include metrics like response times, transaction breakdowns, error rates, server health, and more for performance analysis.

What is the purpose of load generators in LoadRunner?

Load generators in LoadRunner are machines used to simulate user loads during performance testing. They generate virtual user traffic to put the tested application under load and collect performance data for analysis.

Is LoadRunner suitable for cloud-based testing?

Yes, LoadRunner can be used for cloud-based testing by leveraging cloud load generators and integrating with third-party cloud platforms like Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP).


Elena Angelini

Elena Angelini

I'm Elena, your go-to software reviewer at UpdateStar and tech enthusiast. Whether you're a user seeking the latest software titles or software news I've got you covered. When I'm not diving into the latest software, you can find me exploring nature trails, camping under the stars, or competing in online multiplayer games. My reviews are designed to be fun, engaging, and packed with all the details you need to make informed decisions.

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