August 29, 2007

Explain Load, Performance, Stress Testing with an example

Load Testing and Performance Testing are commonly said as positive testing where as Stress Testing is said to be as negative testing.

Say for example if there is an application which can handle 25 simultaneous user logins at a time. In load testing we will test the application for 25 users and check how application is working in this stage, in performance testing we will concentrate on the time taken to perform the operation. Where as in stress testing we will test with more users than 25 and the test will continue to any number and we will check where the application is cracking the Hardware resources.

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39 Comments:

Anonymous Anonymous said...

Easily understoodable example.

2:39 PM  
Anonymous Anonymous said...

Gud example

11:15 PM  
Anonymous Manpreet Lamba said...

Good example

11:15 PM  
Anonymous Krishna Babu...!!! said...

Good Example...!!!

7:57 AM  
Blogger Unknown said...

very good example....bt need little more definition....

5:22 PM  
Anonymous BS Bisht said...

v good..ex

5:44 PM  
Anonymous Anonymous said...

Nice One

3:19 PM  
Anonymous Anonymous said...

very good example

8:38 PM  
Anonymous jigyasa said...

very very good explaination...lovely..thank u so much

3:59 PM  
Anonymous Anonymous said...

Very good explanation with an example. Thanks!!!

12:22 PM  
Anonymous Anonymous said...

An excellent Explanation. I appreciate it.

1:22 PM  
Blogger Renu Maheshwari said...

realy gr8 exmaple for all of 3 stress, load, performance..... Thanksssss

1:21 PM  
Anonymous pradnya said...

This is very easy and worthful defination for me... Thanks a lot.... i hope i will get some other information from you in future... Thanks for it in advance...

2:27 PM  
Anonymous Anonymous said...

Really a good example. Awesome. Thanks a lot.

12:14 PM  
Anonymous Anonymous said...

Gr8 example - explained in a simple manner

7:43 PM  
Anonymous Sunita said...

explained in a simple manner thanx a lot

6:35 PM  
Anonymous Anonymous said...

v.good example....

8:16 PM  
Blogger Quality Assurance said...

What is the difference between a Test Strategy and Test Plan?
Beginners Guide to ETL Testing
Step by step guide from Test Case Development to Test Execution
How to do Website Compatibility Testing (Made Simple)
7 steps to select Automated Software Testing Tools
64 Software Manual Testing Interview Questions
Why need Software Testing Tools?

9:15 PM  
Blogger Quality Assurance said...

Overview of Manual Software Testing
Embedded Software Testing - Overview
Automation vs Manual Software Testing
Standard definition of software testing
What parameters to consider for Performance Testing?
What is Game Testing?
Advantages of beta test?
Top reasons to choose Selenium as a automation tool
What is Agile Software Testing?

9:16 PM  
Blogger Quality Assurance said...

When to use a Test Automation Tool?
What is a Test Case Template?
What is a Test Scenario Template?
What is the structure of a software test plan?
Beginner's Guide to web testing
What is Manual Testing?
How to avoid missing defect in Software Testing?
Overview of Software Testing Risk Management
What is cloud testing - the future of software testing?

9:16 PM  
Anonymous Anonymous said...

can you explain me endurance testing with example??

12:08 PM  
Blogger SoftwareQATestings.com said...

Writing test cases is one of the major and most important activities which any tester performs during the entire testing cycle. The approach for writing good test cases will be to identify, define and analyse the requirements.
When you begin writing the test cases, there are few steps which you need to follow to ensure that you are writing good test cases

If you are interested then also go through the following article to check a step by step approach to write a good test case:

How to write a good test case?

9:44 PM  
Blogger SoftwareQATestings.com said...

Here is one more example on this:Test cases for input box which accepts numbers between 1 and 100 using Boundary value analysis:Test cases with test data exactly as the input boundaries of input domain i.e. values 1 and 100 in our case.Test data with values just below the extreme edges of input domains i.e. values 0 and 99.Test data with values just above the extreme edges of input domain i.e. values 2 and 101.

For more examples visit 5 Boundary Value Analysis Examples

Thanks Dav

9:44 PM  
Blogger SoftwareQATestings.com said...

One important aspect about agile software development is the need to reduce the fear of change. An important part of this is to reduce the fear that introducing a change will break something that we already got to work. To combat this fear, we need to be able to run regression tests, and run them fast, frequently and cheaply. This has many implications on how we design and build our tests and test harnesses, how we build our software so it's easy to test, etc.

Another and not entirely unrelated purpose of agile testing is to detect bugs in the process - rather than to detect bugs in the product. Each bug in the product was in theory introduced owing to a flaw in the process, or a flaw in the execution of the process, etc. To make a good stimulus for improving process, the test failures must be regarded as an opportunity to learn how to do things better. It is a big help if the test detects the bug in a very short time (within minutes) of its introduction, while the person or people concerned still remember what they were thinking when they did what they did. It follows that for a team really committed to improving, each and every bug should be analyzed immediately to find out how it came about.

For further reading you can check
What is Agile Software Testing?

9:45 PM  
Blogger SoftwareQATestings.com said...

Regression Testing is the execution of all or a select set of test cases which have passed on the previous build or release of the application under test in order to validate that the original features and functions are still working as they were previously. These tests normally will not have already been executed against the current build or release as normally only the new features and functions are tested prior to regression testing.

Retesting is the execution of one or a set of test cases which previously failed due to a suspected defect in the software which now is documented as being remedied.

Source: What is the difference between Regression Testing vs Retest?

9:45 PM  
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good example

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