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所在平台: Udemy |
课程主页: https://www.udemy.com/course/manual-testing-certification/
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课程名称：使用 LoadRunner 进行性能测试 概述：欢迎参加 Uplatz 提供的《使用 LoadRunner 进行性能测试》课程。性能测试是一种软件测试，主要用于测试软件应用在特定工作负载下的速度、响应时间、稳定性、可靠性、可扩展性和资源使用情况。性能测试的主要目标是识别并消除软件应用中的性能瓶颈。它可以作为性能工程的延伸进行理解。 性能测试的核心在于评估计算机、网络、软件程序或设备在工作负载下的速度、响应性和稳定性。组织会进行性能测试以识别与性能相关的问题。缺乏性能测试，系统性能可能受影响，导致响应时间缓慢和用户体验不一致，造成整体用户体验恶化。 性能测试验证了应用的以下属性：响应速度（应用响应的速度）、可扩展性（应用能够承载的最大用户负载阈值）和稳定性（在不同负载下软件应用的稳定性）。性能测试通常涉及在专用环境中或生产环境中进行的量化测试。性能需求需进行识别和测试，典型参数包括处理速度、数据传输率、网络带宽和吞吐量等。 LoadRunner 是用于应用性能测试的软件工具，可以帮助开发人员和测试人员测量应用在不同负载条件下的表现。它通过模拟用户行为来识别潜在的性能问题和瓶颈，帮助开发人员优化应用并改善整体性能。LoadRunner 支持广泛的技术和协议，适用于 Web、移动、云和企业应用，可以执行负载测试、压力测试和耐力测试等多种性能测试。 本课程将提供性能测试的基础知识、如何进行性能测试及其预期目标和结果。课程中详细展示了 LoadRunner 测试工具的操作。学习此课程将帮助你成为成熟的软件测试工程师或性能工程师/测试专家。
A warm welcome to the Performance Testing with LoadRunner course by Uplatz.Performance Testing is a type of software testing that is mainly used for testing the speed, response time, stability, reliability, scalability, and resource usage of a software application under a particular workload. The primary goal of performance testing is to identify and eliminate the performance bottlenecks in the software application. Performance Testing can be considered as an extension of performance engineering. In summary, Performance testing is a testing measure that evaluates the speed, responsiveness and stability of a computer, network, software program or device under a workload. Organizations will run performance tests to identify performance-related issues.In essence, without some form of performance testing in place, system performance will likely be affected with slow response times and experiences that are inconsistent between users and the operating system, creating an overall poor user experience. Performance testing also helps determine if the developed system meets speed, responsiveness and stability requirements while under workloads to help ensure a more positive user experience.Performance Testing aims to test the following attributes of a software application:Speed - How fast the application respondsScalability - What is the maximum user load threshold that the application can handleStability - Is the software application stable under varying loadsPerformance testing generally involves varying degree of quantitative tests done in a dedicated environment or it can be performed in the production environment. Performance requirements should be identified and tested. Typical parameters include processing speed, data transfer rates, network bandwidth and throughput, workload efficiency and reliability. As an example, an organization can measure the response time of a program when a user requests an action; the same can be done at scale. If the response times are slow, then this means developers should test to find where the bottleneck is. Features and Functionality supported by a software system are not the only concern. A software application's performance, like its response time, reliability, resource usage, and scalability, do matter. The goal of Performance Testing is not to find bugs but to eliminate performance bottlenecks.Performance Testing is done to provide stakeholders with information about their application regarding speed, stability, and scalability. More importantly, Performance Testing uncovers what needs to be improved before the product goes to market. Without Performance Testing, the software is likely to suffer from issues such as: running slow while several users use it simultaneously, inconsistencies across different operating systems, and poor usability.Performance testing determines whether a software meets speed, scalability, and stability requirements under expected workloads. Applications sent to market with poor performance metrics due to nonexistent or poor performance testing are likely to gain a bad reputation and fail to meet expected product quality or sales goals.LoadRunner is a software tool used for performance testing of applications. It allows developers and testers to measure how well an application performs under different load conditions, such as heavy traffic or high usage. By simulating user behavior, LoadRunner can help identify potential performance issues and bottlenecks, allowing developers to optimize the application and improve its overall performance.LoadRunner supports a wide range of technologies and protocols, including web, mobile, cloud, and enterprise applications. It can perform various types of performance tests, including load testing, stress testing, and endurance testing, to ensure that the application can handle different levels of usage and maintain its performance over time.LoadRunner comprises several components, including VUGen for creating virtual user scripts, the Controller for managing and executing tests, and the Analysis tool for analyzing and reporting test results. These components work together to provide a comprehensive performance testing solution that can help ensure the application meets the performance and scalability requirements of its users.In summary, LoadRunner is a sophisticated tool that can help developers and testers ensure that an application performs well under different load conditions and can handle the demands of its users.This Performance Testing with LoadRunner course by Uplatz provides the basics of performance testing, how it can be performed, and its expected goals and results. Also, LoadRunner testing tool operations are shown in great detail. This course will help you become a matures software test engineer and/or performance engineer/testing specialist.
