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Measure Performance of the Application – Using Open Source Performance Testing Tools

Measure Performance of the Application – Using Open Source Performance Testing Tools 18 Jun,2018

Performance is a major factor of better user experience, so you required a tool which measures the system performance in all aspects like in case of system speed or response to access the web applications.

If performance of the application is not good then what?

After 3 to 4 seconds 40 to 50 percent of users or visitors will leave the site if that site fails to respond the user or visitor request. That will also leave the negative impression on the user or visitor regarding that.

What should you do?  

To overcome these types of situations or to provide better user experience, performance testing is the best option. In today’s era, it is mandatory to measure the performance of the applications before launching that application because it directly affects the organization repo and its market value.

In today’s era organizations should treat performance as a feature of the web application and it’s mandatory to measure its performance before launching that application.

The goal of performance is to understand how your application will behave in the normal and high or peak load conditions.

There are various open source tools available in the market which measures the performance of the web and mobile applications. Paid tools are also available in the market for measuring the application performance.

Why prefer open source performance testing tools?

We have following reasons to choose open source performance testing tools:

  1. Free or Modest
  2. No initial cost involved other than learning curve and training.
  3. Customizable and Extensible
  4. Easy to use to test at small loads.
  5. Cross Platform

Popular open source performance testing tool

 

1. Apache JMeter: Jmeter is one of the leading tools used for load testing of web and application servers with the ability to measure performance. Jmeter is a java based desktop application which designed to evaluate the performance of the web application under the normal and peak load conditions.

By using Jmeter we can evaluate the performance of both the resources i.e. Static and Dynamic and these are followings:

  • Files
  • Servlets
  • Perl Scripts
  • Java Objects
  • Data Bases and Queries
  • FTP Servers

2. The Grinder: The Grinder is a java based framework i.e. is available under a BSD style open source license. The Grinder is an open source testing framework that allows the running of tests on multiple machines simultaneously.

The Grinder uses Jython to make the test scripts for the testing purpose of applications.

Features of the Grinder are as following:

  • It uses Jython to create test scripts.
  • It supports multiple protocols.

3. OpenSTA: OpenSTA aka Open Systems Testing Architecture stores a testing architecture which is based on CORBA to empower you for running tests across different networks. Current OpenSTA tool set has the ability to perform scripted HTTP and HTTPS heavy load tests.

Tests are performed using simple scripts, recordings and it also takes into account various results and statistics.

4. LoadUI: LoadUI is an open source tool to perform a load test. This open source test tool is responsible to execute load tests as well as performance tests.

LoadUI is very useful and powerful testing tool which allow the user to create and update the test cases at the time of run. LoadUI testing is called drag and drop testing which is very useful for doing testing of complex load tests.

5. Locust: Locust is popular performance testing tool i.e. used by the different companies. Locust performance framework is written in python. Performance scripts are also written in pure python for the Locust. Locust mainly built for the HTTP web based testing. Locust also figures out how many parallel users a system can handle. Locust has a good web-based UI and it is good for the testing of the API’s.

6. Selenium WebDriver: Selenium WebDriver is one of the most fascinating automation testing tools. Selenium Web Driver is used to automate the web application testing to verify that it is working as expected. Selenium WebDriver supports many browsers like Firefox, Chrome, IE, and Safari. Selenium WebDriver also supports different- different programming languages i.e. C#, Java, Perl, PHP, and ruby. Selenium WebDriver uses these programming languages to write test scripts. Also, Selenium WebDriver is platform independent that means same code run on different OS i.e. MS Windows, Apple OS and Linux.

The Selenium WebDriver is considered to be one of the most widespread testing tools with Selenium IDE, Selenium Remote Control, Selenium Client API and Selenium grid at its disposal.

7. WebLOAD: WebLOAD is a load testing tool i.e. used for the web as well as for mobile. This tool evaluates the performance and scalability of the application as well as it also evaluates the verifiability of the application. Verifiability means “validating the correctness of return results”. WebLOAD uses Javascript to write test scripts.

The webload testing tool supports multiple protocols for testing and these are followings:

  • REST/HTTP with Ajax support
  • SOAP/XML
  • FTP/SMTP

Now the question is which tools will be better to use from all these above-mentioned tools?

  • All these tools have its own specialty. That all depends on the application requirement and client requirement as well as the knowledge level or the comfort level of the QA, which will evaluate the performance of the application.
  • If the client wants to do the performance testing with the specific tool like JMeter or any other tool then you have to evaluate the performance of the application with that tool only. If some of the QA’s are comfortable with the tool’s GUI then they will proceed with the Jmeter, OpenSTA, LoadUI, and Selenium WebDriver. If QA is more comfortable with the programming language and wants to perform testing using programming languages like Java and python then they can be used Locust and The Grinder etc.
  • It depends on the tool’s capability to test the application with the massive amounts of load i.e. application will behave normally as we increase the number of users or we can say that increase the load.

Concluding Remarks

In modern web development, performance testing is of supreme importance. These days, all user wants its application (Web application) respond quickly to its request even thousands of user access that application simultaneously. For the user expectation, the performance of the application must be quite well. That will be achieved only when we measure the performance of the application before launching it into the market by using performance testing tools.

We, at BugRaptors, equipped with a team of experts which execute the performance testing of the application. We implement the performance testing effectively to determine the application speed is quite well under the normal and peak load conditions and application work correctly as per the business requirements and end-user perspective.

Ashish Sethi Ashish Sethi works as QA Engineer in BugRaptors. He has good experience in manual testing, web application testing, mobile application testing, regression testing, smoke testing, sanity testing, and database testing (Back-End). Also he is able to create required documents for testing like test case checklists, time estimation required for the new projects etc.

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