This is a code check that can determine how quickly the application can operate with the planned workload and how stable it will be.
This type of testing measures how long the application would work under increase load.
This type of testing allows us to measure how will the application work with the maximum amount of user coming in at a constant rate.
It regulates the ability of the system to satisfy an increasing need and can be achieved on hardware, software, or database.
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Introduction to Performance Testing
A process that checks the scalability, resource usage, reliability, response time, and speed of a program or software under its expected load, Performance Testing isn’t done just to find practical defects and errors but also to remove performance blockages in that device or software.
We need to ensure these three functions below during the performance testing process.
The process of Functionality Testing also called “Performance Testing” is a part of Software Testing.
Why We Test the Performance?
Functionality and Features supported by any application or software system aren’t the only goals. A software app’s performance as the scalability, resource usage, reliability and response time also matters a lot.
The main concern in the Performance Testing process isn’t just to find errors and bugs but it is also done to remove all the performance blocks.
Hence, performance testing is one of the most significant software testing processes.
Performance testing types:
1) Load testing.
Examine the ability of the application to perform in some expected user load. Its goal is to classify all performance blockages beforehand that application or software is launched in the market.
2) Stress testing.
Includes application testing under a workload of an extreme level to examine how that software handles high data processing or big traffic. The objective of this testing is to recognize the breaking points of that application under testing.
3) Endurance testing.
This testing is performed to reassure that the software could handle an estimated load for some long duration of the time period.
4) Spike testing.
Examine the reaction of the software or application to large sudden spikes in generation of load by users.
5) Volume testing.
In the process of Volume Testing a large amount of Data is pushed into the database to monitor the overall behavior of the software. The goal is to examine the performance of software applications under fluctuating volumes of the data.
6) Scalability testing
The purpose of scalability testing is to check the effectiveness of application or software in scaling up in order to support a big load of users. It assists in planning additional capacity for your software.
Common problems of Performance.
Now we will take a look at these following points about common problems of performance and observe how speed is a basic factor in most of them:
Long Load time
Poor response time
Performance Testing Tools
A wide range of tools for performance testing are available today in the marketplace. The tools you select for the performance testing would depend on a lot of factors like:
Here are some popular tools used for performance testing.
It provides the application testers the ability to perform load testing without making any scripts and also facilitate them by the reduction in their time to half. LoadNinja exchanges the load emulator and the real browser by having browser-based, actionable matrices at high speed.
HP LoadRunner is a tool by Micro Focus, utilized for application testing to measure the performance and behavior of systems under a specific load. Thousands of users can be simulated by this tool using the app/software simultaneously. Lower cost of software and hardware by precisely predicting the capacity of the system.
It is one of the leading tools utilized for the process of load testing of applications and web servers.