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Topic: Performance testing

Related Topics

System testing

Software testing

Stress testing

Load testing

Installation testing

Integration testing

User acceptance testing

Regression testing

Conformance testing

Usability testing

Stability testing

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	Approaches to Performance Testing
		Performance testing a J2EE application can be a daunting and seemingly confusing task if you don't approach it with the proper plan in place.
		The requirements for the performance testing should be driven by the needs of the business and should be explained with a set of use cases.
		Peak-rest tests are a hybrid of the capacity-planning ramp-up-style tests and soak tests.
	dev2dev.bea.com /pub/a/2005/09/performance_testing.html (3285 words)

	Beyond performance testing part 1: Introduction (Site not responding. Last check: 2007-10-15)
		Performance testing is the discipline concerned with determining and reporting the current performance of a software application under various parameters.
		Scott is a co-founder of WOPR (the Workshop on Performance and Reliability), a semi-annual gathering of performance testing experts from around the world, a member of the Context-Driven School of Software Testing and a signatory of the Agile Manifesto.
		He is a discussion facilitator for the Performance and VU Testing forum on Rational DeveloperWorks and a moderator for the performance testing and Rational TestStudio related forums on QAForums.com.
	www-128.ibm.com /developerworks/rational/library/4169.html (2013 words)

	Performance testing - Wikipedia, the free encyclopedia
		In performance testing, it is often crucial (and often difficult to arrange) for the test conditions to be similar to the expected actual use.
		Performance testing almost invariably concludes that it is the software (rather than hardware) that contribute most to delays (bottlenecks) in processing data.
		Performance testing can be performed across the web, and even done in different parts of the country, since it is known that the response times of the internet itself vary regionally.
	en.wikipedia.org /wiki/Performance_testing (1139 words)

	Performance testing in different environments \| testingReflections.com
		Testing performance in early builds and in early environments (like a Local environment or a Development environment) can indicate to me possible performance risks that might direct the testing I do later in the project.
		I’ve not done that yet because my performance testing tends to be more manual in those environments, but I can envision someone using JUnitPerf or some similar tool to automate that type of analysis with the unit tests.
		So a final value in running performance tests early in the Local and Development environments is that it gives me a chance to interface with the developers, in a technical capacity, early in the project.
	www.testingreflections.com /node/view/4108 (1376 words)

	WHOLE ATHLETE™ - A holistic approach to optimal performance
		Also, given that there are multiple LT test designs, and the resulting data are dependent on the actual design of the test, LT has questionable consistency and accuracy in measuring performance.
		Testing is a useful benchmark to either depart from on a new training program, or to compare with previous tests after significant training or racing periods.
		Since the test is typically shorter and less taxing than performing a time trial, it is a useful periodic measurement of fitness and performance.
	www.wholeathlete.com /testing.htm (1573 words)

	Spitfire Performance Testing
		Performance testing was carried out fundamentally to establish level speed, climb rate, range, and ceiling.
		In addition to the basic performance tests, trials were carried out to assess cooling, handling, and cockpit contamination.
		Farnborough's wind tunnel was used to test Spitfire aerodynamics and was particulary useful in developing improvements to the Spitfire's ailerons.
	www.spitfireperformance.com /spittest.html (864 words)

	Global Spin: Testing Site Performance
		Performance testing tools make it possible to test the response of a site to a variety of traffic levels before it is put into production.
		Testing parameters are specified by command-line arguments, including the total time spent testing and the number of concurrent users to simulate.
		When a server is overloaded by testing, the resultant performance disruption to different parts of the server could be either the cause of the slowdown or a result of it.
	www.globalspin.com /thebook/chapter15.html (6473 words)

	Scantron's Performance Series
		Performance Series is a computer-adaptive test that automatically adapts to each student's instructional level.
		Performance Series gives educators an accurate snapshot of students' performance across a range of subjects and skills in far less time then traditional tests.
		Performance Series assessments are on the web, so educators can view the results immediately.
	www.edperformance.com (146 words)

	Performance Testing
		In Multistage, performance testing will be used to tune the amount of resources required by large experiments and the amount of time the participants have to wait for the system.
		Performance testing will be implemented via the JUnitPerf extension to junit, which is already in use in Multistage as its >unit testing framework.
		Multistage has been found to have trouble with handling experiments approaching 100 participants; by tuning the system according to the proposed performance testing, we hope to achieve a measure of scalability.
	multistage.ssel.caltech.edu /documentation/tests/per.html (127 words)

	Adobe - Developer Center : Performance testing Adobe LiveCycle applications with IBM WebSphere Application Server and ...
		However, performance data collected from short-term tests tends to be highly variable and therefore less reliable.
		Before testing, make sure that all of your servers and the test tool controller are synchronized with their system clocks.
		Designing valid tests and conducting performance testing on hardware that reflects production hardware will avoid nasty surprises when the application is deployed to production.
	www.adobe.com /devnet/livecycle/articles/performance_testing.html (3094 words)

	Performance-Testing
		I have been doing some research on what system monitoring is useful during performance testing.
		So keen am I to ensure that the load applied by a test user is even, that I employ a trick taught to me by a seasoned load testing professional (you know who you are Neil!) to measure the pacing achieved in the test.
		After the test, you can extract the transaction data for the test users, pop them in an Excel file and add a column which just uses a simple subtraction to calculate the intervals between the transactions.
	performance-testing.blogspot.com (1439 words)

	RTTS: Testing Services - Performance/Scalability Testing
		Performance testing helps determine if the environment meets requirements at set loads and mixes of transactions by testing specific business scenarios.
		Load testing targets an increase in transactions on the target environment until requirements are exceeded or the saturation of a resource is achieved.
		Coupled with our extensive experience conducting a wide variety of performance test and analyses, RTTS is a valuable resource that will quickly solve can correct scalability and performance problems.
	www.rttsweb.com /services/implementation/performance (356 words)

	Testing Master - web application load, performance, stress testing
		It tests the performance of web sites or intranet applications by load and stress testing and helps you to find bottlenecks of your web site.
		Testing Master has many useful features, such as IP spoofing, multiple simultaneous test cases and some features for test sites with dynamic content and secure HTTPS pages.
		Testing Master is a tool of choice for Web developers and QA professionals that should perform an occasional task of load, stress and performance testing.
	www.siteloadtesting.com (326 words)

	Web Performance Testing and Load Testing - Webmetrics
		Performance Reports: Detailed HTML/Flash reports are generated after each web performance test iteration, which includes detailed performance analysis by Webmetrics' load testing experts.
		Flexible Schedule: Web performance testing engagements usually consist of three executions and can be as short as a few days or as long as a year, but typically take place within a 30-day window.
		It is our goal to help each customer meet their web performance testing objectives and we will provide the information it takes to get there.
	www.webmetrics.com /loadtesting.html (653 words)

	Amazon.com: J2EE Performance Testing with BEA WebLogic Server: Books: Peter Zadrozny,Philip Aston,Ted Osborne (Site not responding. Last check: 2007-10-15)
		Test scripts that accurately simulate the application usage must then be obtained, and the statistical sampling method and metrics must then be defined.
		Performance testers and modelers have verified them time and time again, and so it is beneficial for a reader who might be new to the field to see the case studies illustrating this included in the book.
		The authors also test the performance when the WebLogic performance pack is activated, for both the average response time and the transactional rate.
	www.amazon.com /J2EE-Performance-Testing-WebLogic-Server/dp/1904284000 (2137 words)

	Performance Testing and Planning
		This presents a way of presenting the results of performance testing and capacity planning for use by several professionals.
		Scability Testing buys us confirmation of predictions about what will happen before it happens, buying the lead time to do the right thing when additional capacity is needed.
		The difference between the current load (the actual demand) and usable capacity from load testing is the real reserve capacity — the amount of "head room" for growth or the ability to handle variation in demand.
	www.wilsonmar.com /perftest.htm (650 words)

	[No title] (Site not responding. Last check: 2007-10-15)
		Perform successful performance testing and design tests to realistically reflect the usage scenarios.
		When performance is treated as a key requirement, applications would be designed with performance and scalability in mind.
		The primary focus of this article is to provide some insight into designing well-built performance tests and strategies for identifying potential problems.
	www.intel.com /cd/ids/developer/asmo-na/eng/257829.htm (263 words)

	Performance Testing and Engineering
		This site is intended to promote the importance of Performance Testing, raise industry awareness of when Performance Testing should begin, and partner with others to promote the establishment of best Performance Testing practices.
		In short, Performance Testing is usually intended to expose unacceptable bottlenecks in your system architecture.
		Performance "Testing" can or should be a part of the entire system and software development life-cycle.
	perform-testing.com (393 words)

	Next Meeting - WOPR (Site not responding. Last check: 2007-10-15)
		For example, a critical incident in performance testing may be the time that you learned, by way of an embarrassing failure on go-live day, the importance of validating the available network bandwidth, even if the IT staff assures you that it is sufficient.
		Reports and presentations are welcome over a broad range of topics related to performance testing.
		The test domain is broad and may include real-time embedded devices, web sites, and international telecom networks.
	www.performance-workshop.org /content/view/44/86 (575 words)

	Performance Testing \| Performance Tuning \| Load and Stress Testing - ReadyTestGo
		RTG’s performance testing and tuning services will ensure that your application continues to meet its performance objectives.
		Our performance testing services are spread across different stages in the SDLC - right from design, pre-rollout evaluation to post implementation and maintenance.
		Performance of the corporate banking application improves by 73% - A case study
	www.readytestgo.com /performance-engineering.htm (250 words)

	Performance Testing (Site not responding. Last check: 2007-10-15)
		Performance testing comprises a major component of the FSTC project, along with education and Test Method development.
		Reports detailing the test results are generated by the FSTC researchers.
		Testing is not limited to just the ASTM Standard Test Methods.
	www.fishnick.com /appliances/performancetesting (196 words)

	Software performance testing
		Given a limited resource and a limited time to test a product or service, it will never be possible to test every permutation and combination of every element of functionality.
		You focus test development and execution on those aspects of the product or service that are more likely to fail and impact the users, rather than testing those that are sure to work or those that if they failed would have no impact on users.
		Companies are turning to automated testing tools more often than ever before to ensure that their applications are working properly prior to deployment.
	www.livejournal.com /users/testingsoftware (2800 words)

	Performance Testing,Load Test,Stress Test,Web Load Testing and Regression Testing - AdventNet QEngine
		Real-world Performance Testing: Real-world web load testing allows you to dynamically vary the number of virtual users hitting your web applications/web sites to study the load test/stress test conditions under varying load.
		Parameterized Performance Tests: Parameterize URL Get/Post data or session data at runtime from cookies, previous response, previous url, by executing a Javascript or hidden elements.
		Comprehensive Reports: Load test reports summarizes the key results such as response time, throughput, hits, number of users simulated, error percentage, etc to identify potential bottlenecks.
	www.adventnet.com /products/qengine/performance-testing.html (625 words)

	Application Performance Testing - Software Performance Testing from Mercury
		Whether you want to standardize on a specific testing platform or seek to develop a Performance Testing Center of Excellence (CoE), Mercury Performance Center is the platform on which you can base your quality initiative.
		Mercury Performance Center delivers a 24x7, globally accessible and shareable pool of load testing resources to minimize the total cost of load testing in the enterprise.
		Mercury Performance Center includes integrated applications and a business dashboard for key application performance optimization activities, including load-testing and J2EE diagnostics across complex, heterogeneous computing environments.
	www.mercury.com /us/products/performance-center (281 words)

	Package testing,ship test,mechanical vibration,vibe test,severe drop test,drop test,incline impact test,compression ...
		Established in January 1996, Performance Testing Laboratories, LLC (PTL) is a third party, full service laboratory that performs most industry standard tests as well as customer-defined testing procedures in a strictly controlled environment.
		Performance Testing Laboratories, LLC (PTL) is a third-party independent package testing laboratory.
		Customers are advised that the packaged-product undergoing performance testing may incur external and/or internal damage as a result of the test process.
	www.performancetestinglabs.com (171 words)

	Performance Testing Your Website
		The key factors in testing responsiveness are identifying problem pages, and monitoring key pages for trends.
		After development is complete, during the testing phase, the notably slow pages should be monitored over time as the pages are optimized.
		Before code or database optimization is performed, a baseline should be established.
	www.exclamationsoft.com /performancetesting/index.asp (445 words)

	Load Testing Software & Services - Web Performance, Inc.
		The Web Performance Suite™ is web testing software targeted at web sites that use standard technologies such as web forms, J2EE, ASP,.NET/C#, PHP, Ruby, ColdFusion, Java, etc. Its growing list of modules currently can tackle everything from baseline performance analysis to a load test with tens of thousands of simulated users.
		Web Performance Load Tester™ has those hard to find features such as ip aliasing, client certificates, multiple simultaneous test cases, authentication (usernames/passwords), SSL recording and playback, automated analysis, automatic dynamic variable analysis, and much more.
		Its the fastest your website will ever be, and it makes sense to set your performance goals and measure your baseline performance as early as possible in the development process.
	www.webperformanceinc.com (676 words)

	Performance testing SOAP-based applications (Site not responding. Last check: 2007-10-15)
		A general performance rule is to stay with the simple SOAP data types unless there is a compelling need to use another data type.
		Special testing of the firewall and routing equipment should be undertaken.
		Even if your company is sloppy at testing and doesn't invest in test software, in the past you could test a Web application yourself using a Web browser.
	www-128.ibm.com /developerworks/webservices/library/ws-testsoap (2440 words)

	Compuware QACenter Performance Edition - Prepare applications for production with powerful performance testing
		To ensure this goal is met, comprehensive performance testing is required throughout the development process.
		As the components that make up the application infrastructure continue to increase in diversity, and testing budgets continue to decrease, the questions of scalability and performance become more difficult to answer.
		By testing performance early and often, problems can be identified and resolved before deployment, giving your applications the greatest chance for success in production.
	www.compuware.com /products/qacenter/performance.htm (463 words)

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