Performance Testing using LoadRunner 11

A comprehensive learning experience for performance engineers
Presented by: Kamran Shaukat Ali Khan www.kamran-khan.net

HP LoadRunner - Kamran Khan

Course Objectives
Discuss the value of load testing
Plan for effective load test
Establish load test goals
Run load test scenarios
Load and overload when executing scenarios
Analyze and interpret load test results
Prerequisites:
Understanding of: Client/Server, Windows, Web
Course Methodology Slides, Experience sharing Quizzes, Assignments HP LoadRunner - Kamran Khan

Trainer’s Profile
7+ years of IT experience as lead engineer, specializing in SQA and Software Testing
Vast experience of working with LoadRunner, winRunner, QTP, TestComplete and WatchFire
Proficient with Load testing of SOA based, Net Centric web-based products
Vast experience of conducting technical trainings – both internally and externally.
BSCS Hons., MBA (Mrkt)
Certified: CCNA, AIS HP Performance Center, LoadRunner, QTP
Expertise Areas:
QMS, TQM, Automated Testing using WR & QTP Performance Testing using LR, PDA apps testing

Performance Testing Lets get started…

Facts
Fact #1 :
Most users click away after 8 second delay
Fact #2 :
$4.4 billion in revenue lost annually – due to poor web performance
Source: Zona Research …continued HP LoadRunner - Kamran Khan

Blank Slide
Put contents here

Automated Testing
Put contents here

Why LoadRunner?
Benefits of choosing LoadRunner
LR Credibility - Industry Standard (77% market share)
Meeting the criteria
Scalable [supports add-in]
Integration with QTP
Integration with WR
Scenario modification
Others:
Record n Play, Custom Code, Errors and Exceptions
Envision - Direct Revenue in long term
Off shore services
Outsourced services

SQA-AT Limitations in LT
Current Limitations
Less resources
Trade off between Workload / Training others
ZERO Support from vendor
99% unplanned (ad hoc) activities*
Stakeholders have i ncomplete, obscured or no knowledge regarding Automation / Load Testing
Deficient in Real Environment – scaling requires heuristics
Tool cons
Technology dependent
Initial scripting would be decisive
Different License for Desktop and Web based apps – only one can be installed at a time

Automated Testing: Objectives
Drawbacks of manual testing
Benefits of Automated Testing
in Functional Regression Testing
in Load Testing
Which Test Case not to automate
in Functional Regression Testing
in Load Testing
Manual Vs Automated Testing process
Automated Test Planning
Common Testing Objectives
Improve current framework by spreading awareness of: - technological constraints - due responsibilities of other stakeholders

Performance Testing types
What is Performance Testing
Stress testing
Load testing
Volume testing
Soak / Endurance testing
…
When:
When to test under load
Why:
Why to automate
Why not to automate
What:
What to automate
What not to automate

Potential Impact of Load Testing on SDLC
Impact on Process
SDLC
TLC
…  Regression Testing + fixing + verification = STABLE  [Load Testing]+ fixing  SAT  UAT

Automated Performance Testing
automated performance testing is about applying production workloads to pre-deployment systems while simultaneously measuring system performance and end-user experience !
Source: Presentation by Lloyd Taylor, VP Technology & Operations, Keynote Systems HP LoadRunner - Kamran Khan Load: Number of concurrent users Web Site Response Time Good (0 - 8 sec.) Borderline (9 – 15 sec.) Unacceptable (15 – 30 sec.) Virtually Offline (> 30 sec.) The 8 Second Barrier Crash!

Why load test your application?
Failure of Mission Critical product can be costly.
Deploy with confidence:
assure business transactions work real-world conditions
Locate and resolve potential problems before customer identifies them
Scalability Testing buys us confirmation of predictions about what will happen before it actually happens, buying the lead time to do the right thing when additional capacity is needed.

Why load test your application?
Performance is the key to success of any web based application
We will get to know the maximum capacity the system can handle for an application
We can decide whether we should go for Hardware upgrades or Performance tuning
Understand the issues involved in load testing Web applications
Learn your responsibilities as the LoadRunner expert
Learn how to perform successful load tests using LoadRunner

Load test typical objectives
Many concurrent users running the same application to see whether a system handles the load without compromising functionality or performance.
How many concurrent users can the system handle without increase in the expected response time?
Can the system serve x concurrent users without any errors?

Drawbacks of manual testing
Repetitive
Requires excessive resources
May lack coverage
Potentially inconsistent
Monotonous
HP LoadRunner - Kamran Khan Time Money Resources

Why to use testing tools
Time Consuming
Inconsistent
Low Reliability
Expensive
Human Resource
Machines
Complicated
Synchronize testers
Analyze results meaningfully
Speed
Repeatability / Consistent
Coverage
Programming capabilities
Reliability
Reusability
Control all users—from a single point of control

When automation is applicable
When a system combines a variety of software applications and hardware platforms to determine the suitability of a server for any given application
To test the server before the necessary client software has been developed
Emulate an environment where multiple clients interact with a single server application test an application under the load of tens, hundreds, or even thousands of potential users
Test Repeatability is required
Automated Functional Regression Testing  Mercury WinRunner / HP QTP etc.
Automated Stress/Performance/Soak Testing  HP LoadRunner / IBM Rational Performance Testerv

Which Test Case to automate?
Tests that need to be run for every build of the web site (sanity level)  FRT
Tests that use multiple data values for the same actions (data driven tests)  FRT
Identical tests that need to be executed using different browsers  FRT
Mission-critical pages  FRT / LT
Transaction with pages which won't change in short term  FRT

Which Test Case not to automate?
Usability testing –"How easy is the web site to use?"
"ASAP" testing –"We need to test NOW!"
Ad hoc/random testing –based on intuition and knowledge of web site
Functional Testing
Business validation

Better Candidate
Business Processes which:
Involves large number of database tables
Single database table with large entry
Most frequently opened database tables
Requires big data to reside in RAM
Involves high processing like financial calculations

How LoadRunner does it all?
LoadRunner monitors the application performance online, enabling you to fine-tune your system during test execution.
LoadRunner automatically records the performance of the application during a test. You can choose from a wide variety of graphs and reports to view the performance data.
LoadRunner checks where performance delays occur:
network or client delays
CPU performance
I/O delays
database locking
network and server resources
or other issues at the database server.
Because LoadRunner tests are fully automated, you can easily repeat them as often as you need.

Performance Testing: A Team Work
Project Manager:
- Manages the implementation of website/SUL
Functional Expert / Business Analyst:
- Provide Usage Analysis of SUL & provides expertise on business functionality of website/SUL
Automated Testing Expert:
- Creates the automated tests & executes load scenarios
System Architect:
- Provides Blueprint of SUL
Web Developer / SME:
- Maintains website & provide monitoring aspects
- Develops website and fixes bugs
System Administrator:
- Maintains involved servers throughout testing project

Manual Vs Automated Test plan HP LoadRunner - Kamran Khan

Planning a load test
What to Plan?
Understand the functional testing objective(s) of the AUT
Know the user actions of each business transaction of the AUT
Know what input data to use for each transaction
Know what to verify in the web site

Planning Advantages HP LoadRunner - Kamran Khan

Common Testing Objectives
General page layout
Frames
Images
Tables
Functional Testing
of each transaction using different sets of valid data across different browsers
Business Testing
core business or objective of any application being developed
Regression Testing
hardware and software upgrades
web site enhancements

Automated Test: Objectives
Purpose of understanding test objectives:
Create effective automated tests that meet test requirements
Gather the relevant information that will help you create the automated test
System Architecture
System Components
Users profile (application users)
Clients behavior with application (TDD)
3 rd party components, integration and other technical details

Test Cases for Performance Testing
Document Test Information
Documentation that contains all gathered information relevant to the testing requirement
Application
Transaction
User actions
Test requirement(s)

Test Cases for Performance Testing cont.
Certain information is “a must” when preparing for Load Testing. This includes:
Testing environment
Operating System (Windows XP Server 2002 SP2)
Hardware Specifications (Intel® Pentium 4 CPU 3.00 GHz, 2 GB RAM)
SQL Server 2005, IIS 6.0 etc
Databases with user data (preferably client DB replica)
Representatives from Dev, Testing, AT, Networks
Obtain master data – extract from database
obtain help from domain experts
Create valid transactional data
predict according to type of data
obtain from Functional Expert

Vital ingredients in Organizing a Test
The architecture of the system
A brief idea about the application
The list of business transactions
The time at which the system has peak load
The acceptable response time for the transactions
No. of concurrent users the system is expected to handle during peak load
Select the Transactions to automate
Decide on the Transaction Mix
Obtain User details for the transactions
The tables these transactions query
The web server / application server components invoked by the transactions

Select the transactions
Give priority to business critical transactions
Give priority to transactions that have high database activity
Give priority to transactions that have high web server or application server activity
Know the peak load time
Decide on Transaction Mix
Impact of the failure of a particular transaction on business
The transactions that are executed during peak load
The no. of times they are executed during peak load
User details
For each of the chosen transactions find
Who are the users who executing these transaction?
How many simultaneous and concurrent users are there?

For each of the chosen transactions find:
The tables which a transaction queries
The tables which a transaction updates
Server components invoked:
The servlet / jsp that are invoked by the transaction.
Environment specifications:
Application architecture
HW specifications of machines where application is hosted
SW specifications of machines where application is hosted
HW/SW specifications of machines where load will be simulated

Summary
Understanding of various stages of Performance Test automation
Planning should be done before automation begins
Proper planning can increase your test coverage and reduce test development time
Understanding the testing objectives helps devise effective automated tests
Identifying better candidates for performance testing
Document all relevant test information and team representatives

Q & A
Thank You !

Quiz
15 Minutes

HP LoadRunner Architecture

What's Next
Understand the architecture of LoadRunner itself
To describe best practices of carrying efficient performance tests

LR Architecture
Put contents here

Deployment
Put contents here

Planning Road Map
Install LoadRunner
Gather Team
Define Goals
Outline Business Processes
Define User Profiles
Document Business Processes
Define Test Data Management Procedures
Outline Monitors
Document

Goals of Performance Testing
Conceptual Goals
What are we trying to achieve?
SUL Mission Critical Transaction Response Time
Is Booking Flight transaction fast enough?
xyz business process supports 250 concurrent users
SUL Environment Benchmarking
Are servers, network, software, etc. compatible?
100 concurrent users can file contracts for 1 hour if web server RAM is 1GB

Business Processes
Mission Critical
What BP malfunctioning will put you out of business?
Throughput
How many users going through identified Mission Critical BPs?
Dynamic Contents
How much data each transaction process through the SUL

System Users
SUL User Profile
What are the SUL users: level of experience with the System
SUL Users Regions
Where all SUL users located: America, Pakistan, KSA?
SUL Users Concurrency
What is a pick of SUL usage per BP at given hour?
User Roles (Access rights on system)
What types of user roles are in practice. Manager, TL, Dealer, Auditor etc.

Documenting BPs
User Action Steps
Should BP start with User Login?
Can we navigate through the BP manually using these steps?
SUL Navigation Expected Results
What should we include in the Checkpoint once this step performed?
BP Transactions
What trigger in the BP will be measured for response time?
Think Time
How long user waits till the next step in the BP?
Parameters
What static input data should be replaced with dynamic content?
What type of parameter should it be? Data file, date, random?
What parameter sequence should be set?

Data Management
Test Data Needed
What data will be needed (User Names & Passwords, SSN #, SKU # etc.)?
Procedures to Generate Data
How are we going to generate data (querying database, data processing department, etc.)?
Generated Data format
What format data will be coming in (Flat file, CSV, etc.)?

Performance Monitors
Investigate SUL Environment
Set Monitor per each SUL Component
Add measure point gradually
Set default measurements
Add measurements as needed
Consult with components SME

What constitutes a system! HP LoadRunner - Kamran Khan Clusters/ Load Balancers External Network Interface Memory Threads Kernal Heap Third Party Components Database Web Servers / Application Servers Operating Systems External Storage Front End GUI

Put it together
Document all findings
Approve by all Stakeholders

Automated Testing Process HP LoadRunner - Kamran Khan

AT Process: Planning
Step I: Planning the Test
Successful load testing requires that you plan to carry out certain business process. A BP consists of clearly defined steps in compliance desired business transactions – so as to accomplish your load testing objectives.
Business Transaction:
Examples:
Reserving flight tickets
Buying a computer from a online store
Logging into your web-based email service
HP LoadRunner - Kamran Khan A business transaction is a set of user actions performed with an application to accomplish a business task.

AT Process: Scripting
Step II: Creating the Vuser Scripts
VUsers emulate human users interacting with your Web-based application. A VUser script contains the actions that each VUser performs during scenario execution.
In each VUser script, you determine the tasks that will be:
performed by each Vuser
performed simultaneously by multiple Vusers
measured as transactions
For more information on creating VUser scripts, see the HP Virtual User Generator User Guide.

AT Process: Create Scenario
Step III: Creating the Scenario
A scenario describes the events that occur during a testing session. A scenario includes a list of machines on which Vusers run, a list of scripts that
the Vusers run, and a specified number of Vusers or Vuser groups that run during the scenario. You create scenarios using the Controller.
Creating a Manual Scenario
You create a scenario by defining Vuser groups to which you assign a
quantity of individual Vusers, Vuser scripts, and load generators to run the scripts.
You can also create a scenario using the Percentage Mode, in which you
define the total number of Vusers to be used in the scenario, and the load
generators and percentage of the total number of Vusers to be assigned to each Vuser script.
Creating a Goal-Oriented Scenario
For Web tests, you can create a goal-oriented scenario, in which you define
the goals you want your test to achieve. LoadRunner automatically builds a
scenario for you, based on these goals.

AT Process: Run Scenario
Step IV: Running the Scenario
You emulate user load on the server by instructing multiple Vusers to
perform tasks simultaneously. You can set the level of load by increasing and decreasing the number of Vusers that perform tasks at the same time.
Before you run a scenario, you set the scenario configuration and
scheduling. This determines how all the load generators and Vusers behave when running a scenario.
You can run the entire scenario, groups of Vusers (Vuser groups), or
individual Vusers. While a scenario runs, LoadRunner measures and records the transactions that you defined in each Vuser script. You can also monitor your system’s performance online.

AT Process: Monitor Scenario
Step V: Monitoring a Scenario
You can monitor scenario execution using the LoadRunner online run-time,
transaction, system resource, Web resource, Web server resource, Web
application server resource, application server resources, database server resource, network delay, streaming media resource, firewall server resource, ERP/CRM server resource, Java performance, J2EE & .NET Diagnostics, application deployment, middleware performance, application component, and infrastructure resources monitors.

AT Process: Analysis
Step VI: Analyzing Test Results
During scenario execution, LoadRunner records the performance of the application under different loads. You use LoadRunner’s graphs and reports to analyze the application’s performance.
For more information about LoadRunner’s reports and graphs, see the HP LoadRunner Analysis User Guide .

Q & A
Thank You !

Quiz
15 Minutes

HP LoadRunner Virtual User Generator

What's Next
Understand Virtual User Technology
Record a scripts
General options
Recording options
Runtime options
Replay recorded scripts

Virtual User Technology
Simulates a real-like virtual-user
Programming capabilities with greater control over test execution
Can synchronize actions performed by users
VUsers can communicate directly with a server by executing calls to the server API-without relying on client software
Captures a business transaction by recording user actions performed
Monitors the communication between the application and the server

Before we start…
Scenario:
A scenario defines the events that occur during each testing session. Thus, for example, a scenario defines and controls the number of users to emulate, the actions that they perform, and the machines on which they run their emulations.
VUsers:
In the scenario, LoadRunner replaces human users with virtual users or Vusers. When you run a scenario, Vusers emulate the actions of human users working with your application. While a workstation accommodates only a single human user, many Vusers can run concurrently on a single workstation. In fact, a scenario can contain tens, hundreds, or even thousands of Vusers.
VUser Scripts:
The actions that a Vuser performs during the scenario are described in a Vuser script. When you run a scenario, each Vuser executes a Vuser script. The Vuser scripts include functions that measure and record the performance of your application’s components.
Others:
System, Response Time, Think Time, Work Load, Transaction Mix, Throughput

Before we start…
Transactions
A transaction represents an action or a set of actions that you are interested in measuring. You define transactions within your Vuser script by enclosing the appropriate sections of the script with start and end transaction statements. For example, you can define a transaction that measures the time it takes for the server to process a request to view the balance of an account and for the information to be displayed at the ATM.
Rendezvous points:
You insert rendezvous points into Vuser scripts to emulate heavy user load on the server.
Rendezvous points instruct Vusers to wait during test execution for multiple Vusers to arrive at a certain point, so that they may simultaneously perform a task. For example, to emulate peak load on the bank server, you can insert a rendezvous point instructing 100 Vusers to deposit cash into their accounts at the same time.
Controller:
You use the HP LoadRunner Controller to manage and maintain your scenarios. Using the Controller, you control all the Vusers in a scenario from a single workstation.
Load Generator:
When you execute a scenario, the Controller distributes each Vuser in the scenario to a load generator. The load generator is the machine that executes the Vuser script, enabling the Vuser to emulate the actions of a human user.
Performance analysis:
VUser scripts include functions that measure and record system performance during load-testing sessions. During a scenario run, you can monitor the network and server resources. Following a scenario run, you can view performance analysis data in reports and graphs.

VUGen: Recording my first script in LR
Click File  New
Find the desired protocol from the list of protocols and click Create

VUGen: Script Sections HP LoadRunner - Kamran Khan Script View Script Sections Tree View

Recording Options…
Tools  Recording Options
[Ctrl + F7]
…
General  Recording 
HTML Mode
URL Mode
This allows us to specify the information to be recorded and which functions to be used when generating a script

HTML Mode – URL Mode comparison
The HTML mode is based on user actions, and the scripts contain functions that correspond directly to the action taken
Example:
...
web_link(“Enterprise Systems Performance",
"Text=Enterprise Systems Performance ",
"Snapshot=t4.inf",
LAST);
The URL mode is based on HTTP requests sent to the server as a result of user actions.
Example:
...
web_url(“Enterprise Systems Performance",
"URL=http://www.tcs.com/esp.html",
"TargetFrame=",
"Resource=0",
"RecContentType=text/html",
"Referer=http://www.tcs.com/atc?. . . ,
"Snapshot=t4.inf",
"Mode=URL",
LAST);

Deciding on Recording Mode
Deciding on Modes
For browser applications, use HTML mode.
For non-browser applications, use URL mode.
HP LoadRunner - Kamran Khan The option of mixing recording modes is available for very advanced users for performance tuning

Other Recording Options HP LoadRunner - Kamran Khan

Response Time HP LoadRunner - Kamran Khan App Server DB Server Load Injector Time in which the system responds for a particular Transaction request

Think Time HP LoadRunner - Kamran Khan Time taken for selecting a new Transaction after the response for the previous Transaction has been received Transaction 1 Transaction 2 Think Time = 10 Seconds

Workload HP LoadRunner - Kamran Khan Typical Workload No. of Users Transactions Batch Programs Background Load Database Web Servers / Application Servers Operating Systems External Storage Front End GUI The System

Transaction Mix HP LoadRunner - Kamran Khan Varying execution frequency of different Transactions

Throughput HP LoadRunner - Kamran Khan
Transactions per Second
Web Interactions per Second
Pages per Second
Bytes per Second
The amount of work that can be performed by a system or component in a given period of time

HP LoadRunner VUser Technology
On each Windows load generator, you install the Remote Agent Dispatcher (Process) and a LoadRunner Agent
Remote Agent Dispatcher:
The Remote Agent Dispatcher (Process) enables the Controller to start: applications on the load generator.
Agent:
The LoadRunner Agent enables the Controller and the load generator to communicate with each other. When you run a scenario, the Controller instructs the Remote Agent Dispatcher (Process) to launch the LoadRunner agent. The agent receives instructions from the Controller to initialize, run, pause, and stop Vusers. At the same time, the agent also relays data on the status of the Vusers back to the Controller.

VUGen - Introduction
Main components of VuGen interface
Starting VuGen
Environment options (Protocols)
Script view
Tree view
Output window etc

Steps towards a baseline script
Commencement
Selecting right combination of protocols
Protocol Advisor (9.5 or newer)
Record
Conventions and good practices
Prepare and Assure availability of Test data
Understanding script
Manual verification
Playback and Verification
Through subject application
Parameterize/Correlation
Enhance
Rendezvous, Transactions, Output message, Image/Text check, Correlation, and additional steps, Configuring Pacing, Iterations, Actions, Log/Error messages & Think time and more
Runtime Settings
Pacing, Iterations, Think time and more
Prepare for Execution
Prepare and Assure availability of Test data

Recording for the Web
Example Exercise
Create vuser script
Understand vuser script
Generation log
Script regeneration
User authentication information
web_set_user("domainuser, “password", “host:port");
web_set_user("netsolpkalika", "password123(", "sqa112:80");

Replaying a recorded script
Verify the baseline script
Identify and configure appropriate runtime settings for replay
Replay vuser script
Replay log
Verify the application behavior

Script Enhancement
Transactions
Comments
Parameters
Rendezvous points
Text / Image verification
Adding Actions
Correlation

Transactions
Transactions are meant to measure:
server response time
time to complete specific takes or activity
Defining transactions
Preferably during recording else after recording
Syntax:
lr_start_transaction(“Transaction Name”);
lr_end_transaction(“Transaction Name”, <status>);
e.g. lr_start_transaction(“Transaction Name”); lr_end_transaction(“Transaction Name”, LR_AUTO); lr_end_transaction(“Transaction Name”, LR_PASS); lr_end_transaction(“Transaction Name”, LR_FAIL);

Transactions cont.
Best Practice:
Assign Script ID as prefix to the name
Assign transaction number right before logical name
e.g. 0102Login
Removal any immediate following think time statement
Remove or document think time statements within a transaction
Period (.) character is not allowed in transaction name

Sub Transactions
/* Notify that a transaction is starting */
lr_start_transaction ("purchases");
/* Breakdown the transaction into a smaller transaction */
lr_start_sub_transaction ("electrical_purchases", "purchases");
status = purchase_electrical_items(6); /* call to Server API */
/* End transaction with operation result - pass or fail */
if (status == 0)
lr_end_sub_transaction("electrical_purchases", LR_PASS);
else
lr_end_sub_transaction("electrical_purchases", LR_FAIL);

Comments
Add comments for
To describe an activity
To provide information about specific operation
To separate two sections for distinction
Add comments:
Comments during recording
Comments after recording
Best Practice:
Mark any comments on the top of each script file

Rendezvous Points
Rendezvous Points
Introduce concurrency
Defining transactions
during recording or after recording
Syntax: lr_rendesvous(“Logical Name”);
Best Practices:
Prefix a rendezvous point with “rdv_”
Use logical name of transaction being subjected
e.g. rdv_Login
Removal any immediate following think time statement

Inserting Function through menu
Log messages
Debug messages
Error messages
Output messages
Choose Insert > New Step. The Add Step dialog box opens. Scroll down and select Output Message and click OK.
lr_output_message
lr_log_message
Application Saving completed HP LoadRunner - Kamran Khan

Parameterization
What is Parameterization?
Which value to parameterize?
How to parameterize?
Properties of a Parameter?
Caution – line feed at the end of each line in data file
space i.e. ‘%20’ is ignored by LR
Types of parameters
Date/Time
File
Group name
Random number
Iteration number
Unique number
XML
Vuser ID
Load generator name
User defined function
lr_output_message ( "We are on iteration #%s", lr_eval_string ( "{iteration}" ) );

Parameter configuration
Important options regarding properties of File / Table parameters
Data assignment method
Update method
When out of values
Columns
Rows
When not enough rows

Parameters – Exercise
Exercise
Data table values:
Kim; David; Michael; Jane; Ron; Alice; Ken; Julie; Fred
12 vusers
3 iterations
Try all combinations of assignment method and update method on provided data

Advanced Scripting Techniques
Other protocols’ specific functions
Correlation
LR Standard Functions
variable_name = lr_eval_string(“{variable_name}”);
lr_save_string(“value”, “variable_name”);
Protocol Specific Functions

Correlation
Many applications use dynamic values that change each time you use the application. For example, some servers assign a unique session ID for every new session. When you try to replay a recorded session, the application creates a new session ID that differs from the recorded session ID.
To simplify / optimize code
To generate dynamic data
To accommodate unique data records
Protocol Specific Functions:
variable_name = lr_eval_string(“{variable_name}”);
lr_save_string(“value”, “variable_name”);

Correlation types
Auto correlation
LR detects and help solving them
Manual correlation
LR detect but doesn’t provide direct interface to correlate
LR may not detect code requiring correlation
Question: when manual correlation is required?
Question: when auto correlation is required?

Run-Time Settings
Run Logic
Iterations
Action blocks
Pacing
Log
Think Times
No think time
As Recorded
Multiple of X-Recorded
Randomize think time
Limit Think time
Speed Simulation
Bandwidth controlling
Browser Emulation
Proxy
No proxy
Specific proxy
pick proxy from browser

Q & A
Thank You !

Quiz
15 Minutes

HP LoadRunner Controller for Scenarios & Generators

A Scenario HP LoadRunner - Kamran Khan

Create a scenario HP LoadRunner - Kamran Khan

Make it real scenario HP LoadRunner - Kamran Khan

Types of scenarios
A Manual Scenario gives you control over the number of running VUsers and the times at which they run, and lets you test how many VUsers your application can run simultaneously.
You can use the Percentage Mode to distribute the total number of VUsers among scripts based on a percentage specified by your business analyst.
A Goal-Oriented Scenario is used to determine if your system can achieve a particular goal.
Response Time for specified transaction
Number of hits/transactions per second etc

Emulate different types of Users HP LoadRunner - Kamran Khan

Initializing VUsers HP LoadRunner - Kamran Khan

System Monitoring in Controller HP LoadRunner - Kamran Khan

Monitoring SUL Cont. HP LoadRunner - Kamran Khan

Watch users in Real-time HP LoadRunner - Kamran Khan

Run-Completed HP LoadRunner - Kamran Khan

Defining a Goal the number of users that you want to use to reach that goal the scenario duration load behavior HP LoadRunner - Kamran Khan

Defining a Goal cont.
Specify that the test should run for 5 minutes after the target has been achieved, and select Continue scenario without reaching goal.
Once the load of three hits per second has been reached, the Controller keeps running the scenario for an additional five minutes, adding or subtracting Vusers as needed to keep the actual measurement within 6% of the specified target. This is to ensure that the server can sustain the load for a period of time.

Q & A
Thank You !

Quiz
15 Minutes

HP LoadRunner Analysis

What's Next
Understanding HP Analysis [LR component]
Understanding various graphs, merging graphs, collating, correlating
Analysis and diagnostics
Reporting

Graphs: Hits per Second
The Hits per Second graph shows the number of hits (HTTP requests) made to the Web server by Vusers during each second of the scenario run.
You can see that after a short period the required level of load is reached .

Graphs: Trans. Response Time
The Transaction Response Time graph shows the amount of time it takes for each transaction to be completed.
Its important to watch transaction response time to see the response times your customers will have when the server is under load.

Graphs: Windows Resources
You can monitor the server’s Windows Resources usage for processor, disk, or memory utilization problems.
Monitoring during a test can help you pinpoint the source of poor performance immediately.
You can check the Windows Resources graph legend for a list of measurements.

The LoadRunner Analysis HP LoadRunner - Kamran Khan

LoadRunner Analysis – cont.
Session Explorer : In the upper left pane, Analysis shows the reports and graphs that are open for viewing. From here you can display new reports or graphs that do not appear when Analysis opens, or delete ones that you no longer want to view.
Graph Viewing Area : In the upper right pane, Analysis displays the graphs.
By default, the Analysis Summary report is displayed in this area when you open a session.
Graph Legend In the lower right pane, you can view data from the selected graph.

More in Analysis
Cross with Results
Global Filters
Add Graphs

Analysis Reports
Reports
How to generate reports
Exporting reports into HTML and *.doc

Q & A
Thank You !

Quiz
15 Minutes

Performance Testing Techniques

What's Next
Understanding HP Analysis [LR component]
Understanding various graphs, merging graphs, collating, correlating
Analysis and diagnostics
Reporting

Trigger Lead Time to Reduce Upgrade Risk Time Predicted point of failure Upgraded Capacity Existing Capacity Lead Time Trigger Point Anticipated Peak Loads Work load Usable Reserve Capacity Point Response Time degradation becomes noticeable Current load HP LoadRunner - Kamran Khan

Blank Slide
Put contents here

Course Objective
Text in PowerPoint 2007 has learned new tricks. There are handy features like strikethrough and advanced features like character spacing control. And you’ll look your best with soft shadows and the ability to put “WordArt” styles right onto your slide text.
Character Spacing Kerning Styled Underline HP LoadRunner - Kamran Khan

PowerPoint 2007
This presentation demonstrates the new capabilities of PowerPoint through examples. You can view it in Slide Show or by browsing through the slides in Normal View. These slides are designed to give you great ideas for the presentations you’ll create in PowerPoint 2007!

The Power of OfficeArt Graphics
Make a statement with great looking graphics. PowerPoint makes it easy to produce visuals that used to require multiple applications to accomplish. Easily apply soft shadows, reflections, glows, bevels, 3D and more!
Soft Shadow HP LoadRunner - Kamran Khan Bevel

Picture This…
You can do a lot more with pictures in PowerPoint 2007. Easily recolor pictures or change the shape of their frame. And all of OfficeArt’s effects can be applied to a picture – even 3D!

Visualize It!
SmartArt turns your bullet points into graphics in a single click. You can even change your graphic layout to find just the right way to express your idea.

Get Coordinated with Themes!
Office Themes give you effortless coordination of the colors, fonts and graphic effects applied to your presentation. Everything you insert into your presentation will be automatically styled to match.

Word and Excel, too!
PowerPoint now shares a common set of “Office Themes” with Word and Excel so you can create documents and spreadsheets that match your presentation for a “branded” look.

Mix It Up!
Office Themes are infinitely customizable. You can mix and match the colors, fonts and effects from different themes.

Quick Styles
There is a spectrum of designer styles for every chart, diagram, table or picture you add to your presentation. In a single click you can go from understated to wow or anywhere in between .
HP LoadRunner - Kamran Khan 1 2 3 1 2 3 1 2 3

Slide Perfect!
PowerPoint has new layouts that give you more ways to present your words, images and media.
Everything you add into the layout placeholders is arranged perfectly for you.

Arrange it Your Way
With custom layouts you design your own slide arrangements. You can create new kinds of documents with PowerPoint. Easily create everything from business pitchbooks to family photo albums.

http://testing-qualityassurance.blogspot.com	486
http://testing-qualityassurance.blogspot.in	412
http://testing-qualityassurance.blogspot.co.uk	27
http://testing-qualityassurance.blogspot.fr	21
http://testing-qualityassurance.blogspot.ca	20
http://testing-qualityassurance.blogspot.ru	17
http://www.linkedin.com	13
http://203.255.162.176	12
http://testing-qualityassurance.blogspot.com.au	10
http://testing-qualityassurance.blogspot.nl	9
http://testing-qualityassurance.blogspot.co.il	6
http://testing-qualityassurance.blogspot.com.ar	6
http://testing-qualityassurance.blogspot.mx	4
http://testing-qualityassurance.blogspot.sg	4
http://ramanjaneyulu08.blogspot.in	4
http://testing-qualityassurance.blogspot.hk	3
http://testing-qualityassurance.blogspot.se	3
http://testing-qualityassurance.blogspot.sk	3
http://www.hostedredmine.com	2
http://testing-qualityassurance.blogspot.com.br	2
http://115.112.206.131	2
http://localhost	2
http://testing-qualityassurance.blogspot.jp	2
http://testing-qualityassurance.blogspot.com.es	2
http://prlog.ru	2
http://www.blogger.com	2
https://twimg0-a.akamaihd.net	1
http://testing-qualityassurance.blogspot.no	1
http://testing-qualityassurance.blogspot.gr	1
http://testing-qualityassurance.blogspot.ro	1
http://testing-qualityassurance.blogspot.it	1
http://testing-qualityassurance.blogspot.kr	1
http://testing-qualityassurance.blogspot.hu	1
http://feeds.feedburner.com	1
http://testing-qualityassurance.blogspot.de	1

Performance Testing using LoadRunner 11

by Kamran Khan

Accessibility

Categories

Upload Details

Usage Rights

35 Embeds 1,085

Statistics

Performance Testing using LoadRunner 11 Presentation Transcript