Software Performance Testing - Application Performance Testing

Load Testing is a process of end to end performance tests under anticipated production load. The objective such tests are to determine the response times for various time critical transactions and business processes and ensure that they are within documented expectations (or Service Level Agreements - SLAs). Load tests also measures the capability of an application to function correctly under load, by measuring transaction pass/fail/error rates. An important variation of the load test is …
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The Apache JMeter™ desktop application is one of the best known open source software tools , a 100% pure Java application designed to load test functional behavior and measure software performance. It was originally designed for testing Web Applications but has since expanded to other test functions.
Conclusion
Apache Jmeter review Need to test your web service, database, FTP- or web server? Both performance and functional testing? Have a look at JMeter. It is free, very intuitive and …
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There are a range of excellent open source performance testing tools available
Apache JMeter
Description:
Apache JMeter is a 100% pure Java desktop application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test functions. Apache JMeter may be used to test performance both on static and dynamic resources (files, Servlets, Perl scripts, Java Objects, Data Bases and Queries, FTP …
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Review of website performance test tools
Testing your website’s performance was always important, as users will not hang around whilst they wait for your website to load. A slow website is now becoming even more of an issue with the news that Google may take this into account when deciding where your website should rank.
These site performance testing tools aim to make it easy to regularly test and check your website’s performance so that you can then carry out remedial action in …
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When implementing storage of any kind, whether it's directly attached to a server,connected to your network (NAS), or on its own network (SAN), it's important to know just how well your data storage performs. If you can't pinpoint this information, managing data storage growth is difficult.
Iometer, an open source tool, available for download from www.iometer.org, can help youidentify this critical infrastructure measure and help you make better decisions about what kind of storage you need …
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Software performance testing helps prevent performance problems by detecting bottlenecks before a system deployment or upgrade. Performance testing software helps you test a broad range of applications, including Web 2.0, ERP/CRM, and legacy applications to helps identify and reduce performance bottlenecks and obtain an accurate picture of end-to-end system performance before going live, so you can verify that applications meet specified application performance testing requirements and avoid …
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News, reviews and information on Application Performance Testing, Software Performance Testing, Performance Testing Tools, Hardware and Network Performance metrics. Feel free to drop us a note if you wish to contribute to the site or make comment…

Application performance testing is the process of testing performed to determine how a software application performs in terms of responsiveness and stability under a particular workload. It can also serve to investigate, measure, validate or verify other quality attributes of the system, such as scalability, reliability and resource usage.
Software Performance testing is a subset of performance engineering, an emerging computer science practice which strives to build performance into the design and architecture of a system.

Software performance testing helps prevent performance problems by detecting bottlenecks before a system deployment or upgrade. Performance testing software helps you test a broad range of applications, including Web 2.0, ERP/CRM, and legacy applications to helps identify and reduce performance bottlenecks and obtain an accurate picture of end-to-end system performance before going live, so you can verify that applications meet specified application performance testing requirements and avoid issues in production.

The purpose of Hardware performance testing is to ensure that the underlying infrastructure is able to support the load and volumes that the application layer requests.
With many companies adopting a multi-layer architecture model, cloud computing and Software as a service it is vital to ensure that the hardware can provide adequate user experience.
Hardware performance testing will help you understand key infrastructure bottlenecks and constraints.