Introduction to Performance Testing & Loadrunner

Oct 14, 2017Download as pptx, pdf1 like534 views

This document discusses HP LoadRunner, a performance testing tool. It provides an overview of LoadRunner, including what performance testing is, the types of performance testing, limitations of manual testing, LoadRunner components, designing and executing scenarios, and analyzing results. The key points are that LoadRunner automates performance testing by using virtual users to simulate real user loads and measure system behavior, components include VuGen, Controller, and Load Generators, and it allows designing, running, and analyzing load testing scenarios to evaluate system performance.

HP LOADRUNNER
PRESENTED BY : AISHA MAZHAR

AGENDA
 WHAT & WHY PERFORMANCE TESTING
 TYPES OF PERFORMANCE TESTING
 MANUAL TESTING LIMITATIONS
 LOAD TESTING TOOLS
 LOAD TEST TERMS
 PERFORMANCE TESTING ARHCITECTURE
 INTRODUCTION TO LOAD RUNNER
 LOAD RUNNER COMPONENTS
 DESIGNING A SCENARIO
 EXECUTING A SCENARIO
 ANALYZING RESULTS
 Q & A
ON SCREEN EXAMPLE

PERFORMANCE TESTING
 WHAT?
 A non-functional testing technique
 Determines the system parameters in terms of responsiveness, speed, stability, throughput
and reliability under various workload
 Uncovers what needs to be improved before the product goes to market
 WHY?
 Does the application respond quick enough on several users?
 Does it meet client requirements
 Will it bear expected user load or beyond load?
 Search results example
 WHICH?
 Always done for client server based systems only

TYPES OF PERFORMANCE TESTING
 LOAD TESTING - measures the system performance based on a volume of users.
 STRESS TESTING – measures application under extreme workloads, measure the breakpoint of a
system
 ENDURANCE TESTING – measures application can handle the expected load over a long period of
time.
 SPIKE TESTING – measures how the system behaves under unexpected heavy load conditions, and
its ability to recover.
 VOLUME TESTING – measures performance under varying database volumes
 SCALABILIT TESTING - measures the software application's effectiveness in "scaling up" to
support an increase in user load. Helps plan capacity addition to your software system.

MANUAL TESTING LIMITATIONS
 Expensive
 Time consuming
 Not Availability of man power and machinery
 Complicated in terms of Concurrency
 Inaccurate or probabilistic results

LOAD TESTING TOOLS
 HPE - LOADRUNNER
 IBM - RATIONAL PERFORMANCE TESTER
 APACHE - JMETER
 SMARTBEAR - LOAD COMPLETE
 NEOTYS - NEO LOAD
 BLAZE METER
 WAPT
 VISUAL STUDIO PERFORMANCE TESTER

LOAD TEST TERMS / VARIABLES
 VUSER
 PROTOCOL
 SCENARIO
 THINK TIME
 PARAMETERS
 TRANSACTIONS
 RENDEZVOUS POINT
 CORRELATION
 CONTROLLER
 RAMP UP / DOWN
 PACING

THE PROCESS
PLANNING THE TEST
CREATING VUSERS SCRIPT
CREATING SCENARIO
RUNNING SCENARIO
MONITORING SCENARIO
ANALYZING RESULT

LOADRUNNER?
 An automated solution by HP now Micro focus.
 Founded in April 2000
 Latest version 12.55
 Replaces human users with virtual users (Vusers)
 Creates peak and controlled load situations
 Reduces hardware requirements
 Controls from a single component

LR COMPONENTS
 VUGEN
 Records and edits Vuser scripts
 CONTROLLER
 An administrative center for creating, maintaining, and executing
Scenarios
 LOAD GENERATOR
 Generates the load against the application by following scripts
 ANALYSIS
 Assembles logs from various load generators and formats reports for
visualization of run result data and monitoring data.

Introduction to Performance Testing & Loadrunner

This document provides an overview of LoadRunner performance testing tool. It introduces key concepts such as performance testing, the need for automated performance testing, and the core activities involved. It describes LoadRunner components like VuGen for creating scripts and the Controller for creating scenarios. It also covers topics like protocol support, installation, terminology, recording and enhancing scripts, creating scenarios both manually and goal-oriented, and running/monitoring scenarios.

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Introduction to Performance Testing & Loadrunner

1. HP LOADRUNNER PRESENTED BY : AISHA MAZHAR

2. AGENDA  WHAT & WHY PERFORMANCE TESTING  TYPES OF PERFORMANCE TESTING  MANUAL TESTING LIMITATIONS  LOAD TESTING TOOLS  LOAD TEST TERMS  PERFORMANCE TESTING ARHCITECTURE  INTRODUCTION TO LOAD RUNNER  LOAD RUNNER COMPONENTS  DESIGNING A SCENARIO  EXECUTING A SCENARIO  ANALYZING RESULTS  Q & A ON SCREEN EXAMPLE

3. PERFORMANCE TESTING  WHAT?  A non-functional testing technique  Determines the system parameters in terms of responsiveness, speed, stability, throughput and reliability under various workload  Uncovers what needs to be improved before the product goes to market  WHY?  Does the application respond quick enough on several users?  Does it meet client requirements  Will it bear expected user load or beyond load?  Search results example  WHICH?  Always done for client server based systems only

4. TYPES OF PERFORMANCE TESTING  LOAD TESTING - measures the system performance based on a volume of users.  STRESS TESTING – measures application under extreme workloads, measure the breakpoint of a system  ENDURANCE TESTING – measures application can handle the expected load over a long period of time.  SPIKE TESTING – measures how the system behaves under unexpected heavy load conditions, and its ability to recover.  VOLUME TESTING – measures performance under varying database volumes  SCALABILIT TESTING - measures the software application's effectiveness in "scaling up" to support an increase in user load. Helps plan capacity addition to your software system.

5. MANUAL TESTING LIMITATIONS  Expensive  Time consuming  Not Availability of man power and machinery  Complicated in terms of Concurrency  Inaccurate or probabilistic results

6. LOAD TESTING TOOLS  HPE - LOADRUNNER  IBM - RATIONAL PERFORMANCE TESTER  APACHE - JMETER  SMARTBEAR - LOAD COMPLETE  NEOTYS - NEO LOAD  BLAZE METER  WAPT  VISUAL STUDIO PERFORMANCE TESTER

7. LOAD TEST TERMS / VARIABLES  VUSER  PROTOCOL  SCENARIO  THINK TIME  PARAMETERS  TRANSACTIONS  RENDEZVOUS POINT  CORRELATION  CONTROLLER  RAMP UP / DOWN  PACING

8. THE PROCESS PLANNING THE TEST CREATING VUSERS SCRIPT CREATING SCENARIO RUNNING SCENARIO MONITORING SCENARIO ANALYZING RESULT

9. LOADRUNNER?  An automated solution by HP now Micro focus.  Founded in April 2000  Latest version 12.55  Replaces human users with virtual users (Vusers)  Creates peak and controlled load situations  Reduces hardware requirements  Controls from a single component

10. LR COMPONENTS  VUGEN  Records and edits Vuser scripts  CONTROLLER  An administrative center for creating, maintaining, and executing Scenarios  LOAD GENERATOR  Generates the load against the application by following scripts  ANALYSIS  Assembles logs from various load generators and formats reports for visualization of run result data and monitoring data.

11. DESIGNING A SCENARIO

12. EXECUTING SCENARIO

13. ANALYZING RESULTS

14. QUESTIONS / ANSWERS APPRECIATION

Introduction to Performance Testing & Loadrunner

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