LoadRunner Interview Questions

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  • Apr 09 2006
    04:50 AM
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    What is Elapsed Time in Load Runner?

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    Answered by: venkatesh.v

    • Nov 17th, 2006

    ELAPSED TIME:

    The time for request transmission process in server and response transmission is called elapsed time or turn around time or swing time....

    Eg: Time taken to download a file

    Ravi

    • Nov 24th, 2006

    Hi..,Elasped time can set in LR In the Controller---> Sechdule ----> 1)Rampup 2) Duration 3) Ramp Down2)in Duration we can set Elasped Time for the Application   By This We Get Longtitude Test of the Application    If Any Mistake Pls Correct Me. 

    venkatesh.v

    • Nov 17th, 2006

    ELAPSED TIME:The time for request transmission process in server and response transmission is called elapsed time or turn around time or swing time....Eg: Time taken to download a file

  • May 25 2007
    02:56 PM
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    Loadrunner Interview Experience

    Can anyone help me out with the answers for the below questions..Thanks & RegardsHe gave me questions to ask them to prescreen.How do you set up a monitor?What are you monitoring?What kind of monitoring have you done?What kind of commands do you use on a UNIX platform to resolve a performance issue in a monitoring process?How do you identify a performance issue? What do you do to resolve it? What steps...

    spicemit

    • Dec 7th, 2007

    I would try to put my answers belowHow do you set up a monitor?We can add monitor in LR Controller by clicking on Resources graph and add UNIX or WIndows resources. They right click and add counters (...

  • Jul 30 2005
    11:26 PM
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    What are the element in the load runner controller.

    Title bar(name of the scenarion presently working).
    Menu bar(selecting the various command).
    Tool bar.
    Status bar.

    rama_rao

    • Jan 10th, 2008

    Controller is the place where you can setl the scripts to run on particular injectorset the run time settings of the scripts Add monitors ( database monitor, Network delay monitor,  web server resource monitor..)schedule the scenario.

  • Aug 04 2005
    05:02 PM
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    What can I monitor with LoadRunner?

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    Answered by: ramesh viswanathan

    • Dec 23rd, 2005

    Loadrunner cannot monitor, but the component in Loadrunner namely controller helps ur query.

    You need to have proper licenses for monitoring the servers be it either web, app or db server.

    Default u can monitor windows resources u do not need to have any license for this. If perfmon is available in your workstation. This feature in controller calls the perfmon dll and counters can be added to monitor the behavior of the whatever windows workstation that is needed.

    Anyway go through the manual.

    tinash

    • Jun 19th, 2008

    well ,You can monitor the graphs in the controller component of LoadRunner, there is hits /sec graph ,transaction/sec graph,response time graph etc. basically all of 'em gives you the same re...

    Vikas(iam_here41@yahoo.com)

    • Mar 27th, 2007

    We can monitoring the performance of the application under test. While examing the application and working on the script, we have to check the bottleneck and examine the various graphs(throughput, res...

  • Mar 20 2006
    06:40 AM
    4063
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    13
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    Load testing Using Load runner 8.2

    Hi I am new to load testing .Currently i am using Load runner 8.2. i have recorded a script for login screen with some UID/PWD.In load runner Controller i have selected 100 Vusers,and i the run script.My question is :1.)Is the same script runs 100 times for same UID/PWD what i have entered during Recording.2.)If my data base contains only 50 users.Selecting 100 Vusers is a valid case?.3.)If i have...

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    vinsingh_2002  

    • Member Since May-2006 | May 8th, 2006

    Hi Vivek,

    1.)Is the same script runs 100 times for same UID/PWD what i have entered during Recording

    Ans - Yes the same script is running.

    2.)If my data base contains only 50 users.Selecting 100 Vusers is a valid case?.

    Ans - Yes it is a valid case because it id not going to your DB to fetch records as it is only generating the load.

    If you want to login as 100 different users then you have to paramterize the script and then pass 100 users in an excel.

    3.)If i have selected 100 Vusers,is it necessary to enter 100 UID/PWD.
    Ans - No it is not necessary.

    Vivek it is a better practice that for any specific role(User Type) you may put the data in an XLS and then call that XLS in the program. This will imitate a real life condition.

    Joe

    • Nov 6th, 2007

    You are just practising LR as I see here.To test the load on the system you must have a requirement first.You have selected 100 VUsers.? But you haven't mentioned how long you want to run and record ...

  • Aug 26 2005
    06:23 PM
    20173
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    What protocols does LoadRunner support?

    Answered by jayashree on 2005-05-10 00:24:47: Industry standard protocols for example HTTP and ODBC are explicitly supported by LoadRunner. Furthermore any protocol that communicates over a windows socket can be supported

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    Answered by: ramesh

    • Aug 26th, 2005

    The Vuser types are divided into the following categories: 
    ➤ All Protocols: a list of all supported protocols in alphabetical order. 
    ➤ Application Deployment Solution: For the Citrix protocol. 
    ➤ Client/Server: For DB2 CLI, DNS, MS SQL, ODBC, Oracle (2-tier), Sybase 
    Ctlib, Sybase Dblib, and Windows Sockets protocols. 
    ➤ Custom: For C templates, Visual Basic templates, Java templates, 
    Javascript and VBscript type scripts. 
    ➤ Distributed Components: For COM/DCOM, Corba-Java, and Rmi -Java 
    protocols. 
    ➤ E-business: For FTP, LDAP, Palm, Web (HTTP/HTML), Web Services, and 
    the dual Web/Winsocket protocols. 
    ➤ Enterprise Java Beans: For EJB Testing and Rmi-Java protocols. 
    ➤ ERP/CRM: For Baan, Oracle NCA, Peoplesoft-Tuxedo, Peoplesoft 8, 
    SAPGUI, SAP-Web, and Siebel (Siebel-DB2CLI, Siebel-MSSQL, Siebel-Web, 
    and Siebel-Oracle) protocols. 
    ➤ Legacy: For Terminal Emulation (RTE). 
    ➤ Mailing Services: Internet Messaging (IMAP), MS Exchange (MAPI), 
    POP3, and SMTP. 
    ➤ Middleware: Jacada and Tuxedo (6, 7) protocols. 
    ➤ Streaming: For MediaPlayer and RealPlayer protocols. 
    ➤ Wireless: For i-Mode, VoiceXML, and WAP protocols. 
     
    Referrd by Loadrunner8.0 documentation guide.

    Ramesh

    • Feb 15th, 2006

    I want to equipe myself with all the skills and I hope this site will help more.

    pramod

    • Sep 20th, 2005

    What protocols does LoadRunner support?

  • Jun 17 2005
    11:32 AM
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    What do I need to know to do load testing in addition to knowing how to use the Load-Runner tool?

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    seenu_anand  

    • Member Since Jun-2008 | Jun 13th, 2008

    Dear Friend, I hope you have Completly understand the Application Business Process you will be testing. Secondly you have better Understanding on the  Infrastructure Architecture you will be Testing and the application would be deployed. Thirdly you should have the informathion on WorkLoad that the test needs (Business process  to test, Transactions to Achieve, TPS to achieve, Goal Oriented or Transaction Oriented ). These things are Important before you start the Planning/Statergy document as you will have to document all these in the statergy document.

    The Plan and Statergy doc includes
    Introduction.
    Short Description of the application.
    What is the objective of the testing.
    Distribution List.
    Inscope/Outscope of the test.
    Test Mix/Scenraios.
    Business Process Identified (Document with Click  Stream, VUgen will generate BP document).
    Attach Document of the Infrastructure configuration of your test environment (You can get it from your IT team).
    Test tentative Schedule.
    Description of the Tests you would perform, Like Average Load, Peak Load, Scalability, Soak etc.

    If you are still in req Gathering you can identify the Business process and give it to your stake holder that we have identified these process for testing.

    Next you can get the Work Load, what is the expected User load they are expecting Peak and Non Peak, then prepare a work load metrix.

    avis

    • Jul 6th, 2006

    Hello, I cannot agree with you more.  Thanks for the advice. I'm in to a Performance testing project where I'm in the planning stages.  What all do I need to think through? in the Planning s...

  • Sep 28 2005
    10:48 AM
    8859
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    What are the steps for doing load and performance testing using Load Runner?

    Note: I need the actual process steps for doing load testing using load runner but not the questions and answers as were given about load runner

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    Charles E Aron  

    • Member Since Oct-2009 | Oct 23rd, 2009

    1) Select the load Runner from the Start menu.
    2) From the Load testing Tab, click on "Create/Edit Scripts"
    3) Once the Virtual User generator is opened, select "New" and select the protocol based on your project requirement or for a sample application select "Web(HTML/HTTP)" protocol from the Available protocols and click "ok"
    4) Enter the URL of the application which you are going to test.
    5) Give the Working Directory path in which your script need to be saved.
    6) In Record to Action you have three options
    i) vuser_init -> record the login part
    ii) Action -> record the transaction or the body part.
    iii) vuser_end -> record the sign off
    Note: for your sample login to action and record all the script.
    7) Once the url is opened start entering the username and password and do the other transaction process. Once finish, log off and stop the record session by click the stop icon.
    8) Correlate the script, parameterize the URL, username and password if required other variables too and check whether the the script runs without any errors
    Note: Before running check the run time settings and run for atleast three to five iterations.
    9) Create more scripts according to your requirement and check they should run without errors.
    10) Open the scenario, pull all the scripts add the number of users you want to run, set the rampup and duration of the run. Runtime settings and Generators you are using to run the load should be given. see that you connected the generators and Start running the scenario.
    11) Analyse the graph for the performance.

  • Dec 27 2006
    07:28 PM
    20628
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    What is correlation? How we will do that in Load runner?

    sindhu kumari

    • Mar 11th, 2014

    Data Correlation is nothing but dynamic handling data we can say it simply.That means we have to find the data which are generated by the server and we need to change that value with a variable in Loa...

    vcdgmail

    • Jul 28th, 2009

    Correlation is a used to obtain data which are Unique for each run of the scriptsand which are generated. Correlation provides the value to avoid errors arising due to duplication values. So we can create rules and get rid of duplication errors

  • Aug 28 2012
    09:18 AM
    7854
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    Load Runner correlation?

    What is Correlation? When and Where we used? How to run it in the software?

    sindhu_gt

    • Mar 13th, 2014

    Correlation is nothing but handling dynamic data Simply.In Load Runner,we can do correlation in two ways. 1)Manual Correlation 2)Automatic Correlation In Manual Correlation we will use a function ca...

    vivi

    • May 22nd, 2013

    load runner correlation means we will execute the scenario and get the dynamic values from the server side response.and that values are dynamically changing the each time execution.so, that values cor...

  • Jul 30 2005
    11:26 PM
    5417
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    How you edit the script .

    While editing the script we have to inserting the transaction point and rendezvous point .

    sindhu_gt

    • Mar 15th, 2014

    In LoadRunner, we will record and edit the script by using the VUGen component only.But sditing script involves so many things like 1) Correlation 2) Parameterization 3) Think Time 4) Rendezvous Poi...

    routsr

    • Jul 27th, 2012

    It depends upon what you want to edit. Yes you can parametrize correlation adding transaction -while recording the script we can add the transaction, so no need to do after the recording.. adding the variable

  • Jul 30 2005
    11:26 PM
    22059
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    What is the load runner end transaction and its syntax.

    It will end the transaction.
    Syntax. Lr-end-transaction("transaction name", LR-AUTO).

    bhanu prakash B

    • Jul 18th, 2014

    Load Runner is one of the testing tool in performance testing.

    It contains 4 components


    1.VuGen
    2.Controller
    3.Analysis
    4.Load Generater

    End transation is Lr_end_transaction(application name_SenarioName_pageNumber_pageName) short cut key is ctrl+d

    sindhu_gt

    • Mar 15th, 2014

    Transactions are the starting and ending point of any user action . lr_start_transaction("Login"); // User Activity would be recorded here. lr_end_transaction("Login",LR_AUTO); During recording ...

  • Aug 13 2014
    05:31 PM
    10069
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    What is the difference between page not found and page cannot be dislplayed

    I want the difference between page not found and page cannot be displayed and how to solve the problem

    Rohidas Gaikwad

    • May 6th, 2015

    Page not found means: If you are requesting for specific page but that page is not available at that place (Either page is deleted or address removed) then such error occurred, and Page not found means: page is unable to display either because network problem or machine problem.

    jai prakash dubey

    • Aug 15th, 2014

    Page not found means this address has been removed but not display means network problem.

  • Jul 30 2005
    11:26 PM
    40832
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    What is VuGen?

    It is a load runner vuser script generator(use for recording the data base vuser script )

    sushma

    • Aug 12th, 2015

    VuGen (component) to create Vuser scripts. VuGen works on record and play back principle. It records your actions and transform these actions into steps

    sindhu_gt

    • Mar 15th, 2014

    The Virtual User Generator (VuGen) component is used to record a script. It enables you to develop Vuser scripts for a variety of application types and communication protocols.

  • Apr 19 2006
    10:57 PM
    18137
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    15
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    How many types of graphs are in Load Runner ?

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    Answered by: Guest

    • Jul 6th, 2006

    There are 5 graphs on Load Runner.

    1) Hits per second graph

    2) pages download per second graph

    3) Transaction response time (under load) graph

    4) Transaction response time (percentile) graph and

    5) Network delay time graph

    mahesh

    • May 17th, 2017

    Overlay graph, Correllate graph, Tile graph

    Anshu Jin

    • Mar 20th, 2017

    Hi Ahmad, could you plz tell me how to obtained pie graphs in Load runner.

  • Jul 17 2011
    06:00 AM
    10912
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    8
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    Manual Correlation

    How to do manual correlation in virtual user generator in performance testing

    Rajkumar Bethi

    • Jun 20th, 2017

    Manual Correlation: This can be done in 3 ways: 1) Manually check the script: Correlate the dynamic values going thru the script. 2) Snapshot comparison: Compare the snapshots for the Recording & re...

    pardhasaradhi

    • Mar 6th, 2016

    1.Find the server req to make it daynamically in the code. 2.Copy the server req and click on output panel. 3.select code generation. 4.Search the copied static server req and click on > button. 5...