Software performance testing checks the particular software with specifications mentioned before it's being built. Its most simple function is to figure as a diagnostic aid to locate problems in communication. Scott Barber, a famous testing expert, said that it's difficult to pinpoint a precise definition for performance testing because it works differently in numerous situations and other various companies.
Usually, software performance testing is performed to validate and verify quality metrics of software like robustness, reliability, scalability, etc.
The software are going to be subjected to varied load conditions and its response and output are going to be measured to search out out various factors.
However, every company uses differing types of performance tests depending upon the testing environment. Here’s a glance at a number of the popular performance testing:
1. Load Testing
One of the foremost basic kinds of performance testing, load testing method checks the increasing load of the software until the edge is reached. Increasing load means an increasing number of simultaneous users, transactions, and behavior of the software under test situations.
The testing’s primary purpose is to watch the interval to make sure that the software can withstand a specific amount of load at any given time, which is why it's also called Volume Testing.
2. Stress Testing
Stress testing is another common performance testing method that checks the soundness of the software when hardware including CPU, disk space, and memory isn’t stable. it's negative testing during which software is loaded with an oversized number of concurrent users that can’t be handled by the software.
It is a kind of non-functional testing because it tests the non-functional aspects of an internet site or application, which is carried under a controlled situation so it can capture uncertain scenarios and rectify them.
3. Throttle Testing
Throttle testing may be a limited testing situation within which a load is tested at a limited speed to test the speed at which an internet site will load for users who have low network connectivity including those living in distant areas, 3G and 2G data, and using mobile internet. This testing makes use of certain tools like traffic sharpers and speed simulators.
4. Endurance Testing
In endurance testing, the software is tested with a set amount of load for an extended period of your time to watch the system’s behavior. as an example, if the software is meant to figure properly for four hours, its endurance is to be tested for double the time, which is eight hours.
This type of performance testing is employed to test if there are any system fails or memory leaks. Endurance testing is commonly said as soak testing.
5. Spike Testing
Spike testing is analogous to worry testing but the software is tested against load volumes and workload models for a extended time with a simultaneous increase in concurrent load.
The test is conducted for a time longer than its anticipated functioning time. Any unknown behavior is tapped and corrected at the very moment.
6. Smoke Testing
In smoke testing, the software is run on a awfully small load, which is way but it can usually handle. If the test generates smoke, then the software has a slip in its script.
It is one in every of the best tests used and typically the verification test that's run before the software is launched or larger tests are run.
7. Capacity Testing
As simple because it sounds, a capacity test is one during which the software is tested for the load it takes handle at any given time. after you know the way many users your software can handle, you've got better visibility of future events that may limit your application or website. it's a confirmatory test to avoid any future problems especially after you want to extend the amount of information.
8. Component Testing
Component testing checks the functionality of a selected a part of your application or website. It tests simple but important aspects including file upload, go-cart, email function, chart feature, or search function.
9. Peak Testing
In peak testing, you expose the software with increased load for tiny low time and regular peak in concurrent users to research how the web site or application will behave in an exceedingly real-life situations.
10. Scalability Testing
This kind of performance testing is sometimes meted out during the event of the software and just before launch. In scalability testing, you check how the web site or application will program is another software is added to the server or find ways to enhance loading time. The test’s primary aim is to search out out at what peak the software will prevent more scaling.
Common Issues related to Performance Testing:
Performance tests are conducted to form sure the system is freed from the fault so it's able to be launched within the market. Let’s take a glance at a number of the common issues that you simply might encounter during performance testing.
1. Poor Scalability
The system isn’t able to handle the required number of load that delays loading time resulting in unexpected benefits which will affect memory, CPU usage, disk usage, network configuration, and software system.
2. Bottlenecking
This issue occurs when data flow is halted or interrupted because the web site or application isn’t capable enough to handle the load.
3. Insufficient Hardware Resource
This means that there's a scarcity of hardware that ends up in memory shortage and CPUs don’t perform well.
4. Software Configuration Problem
It is a minor issue which occurs when configuration settings are set below the system can handle. All you've got to try to to is adjust software configuration settings, and it’ll work perfectly fine.
Software performance testing
What is software performance testing?
Usually, software performance testing is performed to validate and verify quality metrics of software like robustness, reliability, scalability, etc.
The software are going to be subjected to varied load conditions and its response and output are going to be measured to search out out various factors.
Typed of software performance testing
However, every company uses differing types of performance tests depending upon the testing environment. Here’s a glance at a number of the popular performance testing:
1. Load Testing
One of the foremost basic kinds of performance testing, load testing method checks the increasing load of the software until the edge is reached. Increasing load means an increasing number of simultaneous users, transactions, and behavior of the software under test situations.
The testing’s primary purpose is to watch the interval to make sure that the software can withstand a specific amount of load at any given time, which is why it's also called Volume Testing.
2. Stress Testing
Stress testing is another common performance testing method that checks the soundness of the software when hardware including CPU, disk space, and memory isn’t stable. it's negative testing during which software is loaded with an oversized number of concurrent users that can’t be handled by the software.
It is a kind of non-functional testing because it tests the non-functional aspects of an internet site or application, which is carried under a controlled situation so it can capture uncertain scenarios and rectify them.
3. Throttle Testing
Throttle testing may be a limited testing situation within which a load is tested at a limited speed to test the speed at which an internet site will load for users who have low network connectivity including those living in distant areas, 3G and 2G data, and using mobile internet. This testing makes use of certain tools like traffic sharpers and speed simulators.
4. Endurance Testing
In endurance testing, the software is tested with a set amount of load for an extended period of your time to watch the system’s behavior. as an example, if the software is meant to figure properly for four hours, its endurance is to be tested for double the time, which is eight hours.
This type of performance testing is employed to test if there are any system fails or memory leaks. Endurance testing is commonly said as soak testing.
5. Spike Testing
Spike testing is analogous to worry testing but the software is tested against load volumes and workload models for a extended time with a simultaneous increase in concurrent load.
The test is conducted for a time longer than its anticipated functioning time. Any unknown behavior is tapped and corrected at the very moment.
6. Smoke Testing
In smoke testing, the software is run on a awfully small load, which is way but it can usually handle. If the test generates smoke, then the software has a slip in its script.
It is one in every of the best tests used and typically the verification test that's run before the software is launched or larger tests are run.
7. Capacity Testing
As simple because it sounds, a capacity test is one during which the software is tested for the load it takes handle at any given time. after you know the way many users your software can handle, you've got better visibility of future events that may limit your application or website. it's a confirmatory test to avoid any future problems especially after you want to extend the amount of information.
8. Component Testing
Component testing checks the functionality of a selected a part of your application or website. It tests simple but important aspects including file upload, go-cart, email function, chart feature, or search function.
9. Peak Testing
In peak testing, you expose the software with increased load for tiny low time and regular peak in concurrent users to research how the web site or application will behave in an exceedingly real-life situations.
10. Scalability Testing
This kind of performance testing is sometimes meted out during the event of the software and just before launch. In scalability testing, you check how the web site or application will program is another software is added to the server or find ways to enhance loading time. The test’s primary aim is to search out out at what peak the software will prevent more scaling.
Common Issues related to Performance Testing:
Performance tests are conducted to form sure the system is freed from the fault so it's able to be launched within the market. Let’s take a glance at a number of the common issues that you simply might encounter during performance testing.
1. Poor Scalability
The system isn’t able to handle the required number of load that delays loading time resulting in unexpected benefits which will affect memory, CPU usage, disk usage, network configuration, and software system.
2. Bottlenecking
This issue occurs when data flow is halted or interrupted because the web site or application isn’t capable enough to handle the load.
3. Insufficient Hardware Resource
This means that there's a scarcity of hardware that ends up in memory shortage and CPUs don’t perform well.
4. Software Configuration Problem
It is a minor issue which occurs when configuration settings are set below the system can handle. All you've got to try to to is adjust software configuration settings, and it’ll work perfectly fine.
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