Performance engineers act as a vital part of any software company, as they often test the programs for bugs and ensure the final build of a product works smoothly for its users. In order to test for glitches, engineers spend countless hours going over several scenarios of a program, from the way a program loads to how it can handle different commands at any given moment. A performance test performed using 3rd-party software will display to an engineer how well a program is running, why a program is crashing and even how to repair the problem. The trials done by performance testers will be used by other engineers to help readjust the program to work under new conditions.
What to Test
An engineer will aim to test several features of a piece of software or website to understand how fast or slow the program or site will load and how to make it run better. Each piece of software or website is different, and the kind of program or site will govern the sort of trials to hold; for instance, with a mobile application, engineers will test how responsive the program is to commands. The range of testing procedures is without end, which is why engineers aim to test multiple aspects of a program as quickly and effectively as possible. Even with never-ending testing, no program or website will ever be without its flaws, as the amount of issues that can surface is endless as well.
Basic Load Test
When looking to study how a website or piece of software works under pressure, an engineer will carry out load testing scenarios to see how the program operates when multiple people are attempting to access a site or when multiple commands are being executed during a load. One situation an engineer may be interested in is determining how a site loads under specific circumstances, for instance, how a webpage loads when 500 individuals try to access it within 15 seconds of each other. In order to realize how fast or slow the website operates, an engineer will type a function into the third-party software used for testing to determine how well the webpage will deal with the pressure. When a company creates a new piece of software or starts a new website, they want to be sure their users and visitors have the best experience and that the programs are running quickly and smoothly with few issues.
Testing Software
The performance testing tools engineers use to carry out these tests may be limited, which is why an engineer must take into account how these limitations can block his capacity to execute several tests and gather various pieces of data. A piece of software may be able to find data in real-time in order to help improve an engineer's testing data and detect issues more easily, while other software may not do this. The better the software, the easier the job of an engineer to test several scenarios and find where problems are, but any good engineer will discover many of the issues with any type of software.
SOASTA, cloud testing pioneer, provides the industry's leading mobile app testing service used by organizations to optimize the performance, scalability and reliability of their websites and web applications. SOASTA CloudTest leverages the resources of the Cloud for load testing and performance testing. CloudTest accurately simulates traffic hitting a website or application from outside or inside the firewall, testing both lab and production environments. CloudTest Analytics combines key performance metrics with monitored system data for identifying issues while a test is running.
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