Loadrunner online trainingBY

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IntroductionLoadRunner is a performance testing tool from HP. It is used to

test applications, measuring system behavior and performance under load. It works by creating virtual users who take the place of real users operating client software, such as sending requests using the HTTP protocol to IIS or Apache web servers.

Requests from many virtual user clients are generated by Load Generators in order to create a load on various servers under test. These load generator agents are started and stopped by the Controller program. The Controller controls test runs based on Scenarios invoking compiled Scripts and associated Run-time Settings.

What Loadrunner does?Loadrunner can simulate hundreds of virtual users into

your application, monitor different performance metrics and help isolate different client, network and server bottlenecks.

Loadrunner is a set of different tools, which help run performance testing smoothly.

Loadrunner LoadRunner consists of:Virtual User Generator (VUGen): We can emulate the

real world user behavior using VuGen that’s why the name virtual user.This is the place where we record and write automated scripts.

Controller: Here we run the scripts generated above. This controls the various load generators* and scenarios** associated with them.

Analysis: This gives the detailed results and presents them beautifully using reports, charts and graphics.

Course DescriptionLoad Runner

• Testing• Volume Testing• Performance Testing• Load Testing• Difference in types of Testing

• Planning• Scheduling• Coordinating a load Test

 Introduction of protocols in VuGen

• Setting VuGen environment• Virtual generator

• Creating running & organizing scripts• Parameterization in vuser scripts

 Need to parameterize data

Course DescriptionCreating parameters in vuser

scripts • Different techniques of

parameterization• Controller

• Logistics behind scenario’s • Components of controller,

setting scenarios • Configuration load generator • Creating a manual & goal

oriented scenario

Configuring manual scenario, assign Vusers

• Configure runtime settings • Scheduling a scenario • Setting up a scenario, adding

vusers & assign groups to different load• Generators

• Managing different options in controller

Monitor scenario for performance monitors

Course DescriptionVusers monitors• Configure rendzous

points• Stop a scenario and

results configuration• Using controller to

conduct the load Test

Analysis performance monitors to assess the load performance to detect bottlenecks in application

Advantages Of LoadrunnerNo need to install it on the server under test. It uses native

monitors. For Ex: perfmon for windows or rstatd daemon for Unix.

Uses ANSI C as the default programming language1 and other languages like Java and VB.

Excellent monitoring and analysis interface where you can see reports in easy to understand colored charts and graphics.

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