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Apache JMeter vs IBM Rational Performance Tester comparison

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April 2022
Find out what your peers are saying about Apache, Micro Focus, SmartBear and others in Performance Testing Tools. Updated: April 2022.
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Quotes From Members
We asked business professionals to review the solutions they use.
Here are some excerpts of what they said:
Pros
"It is scalable. You can scale up to 1,000 users in JMeter. If you can put up four slave servers, you can easily ramp up to 1,000 users.""The scripting ability is most valuable. It is easy to use. There is a UI, and you can go in there and figure those things out. After you've got a good set of tests, you basically have a scripted document that you can grab and execute in a pipeline. It is pretty quick to set up, and you can scale it and version control it.""It is very quick and user-friendly.""We like that Apache JMeter has different features and different plugins and that they are free of charge.""The features that I appreciate are quite basic. It is easy to ramp up the threads and start calling the application. A lot of connectors can already be found within Apache JMeter, but we are not using the entire set because the integration between the customers and platform is based on HTTP. We are just going to produce lots of HTTP sequences.""Apache JMeter is stable.""A lot of things are valuable. It is free. It has a lot of features, such as report generation and integration with CI/CD, which makes it very competitive with the other paid solutions available in the market. It is a good solution.""The performance of the solution is excellent."

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"It can support both web applications and mobile applications, and in certain cases, it can also support testing of desktop applications or software-based applications. You can write web applications, mobile applications, and software-based applications."

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Cons
"Currently, the integration pipeline is implemented by using Jenkins or a similar tool platform. These are continuous integration tools. As far as I know, integration is done by using custom scripts. It would be good if the integration with a continuous integration pipeline, like Jenkins or Hudson, can be done out of the box without using a script.""JMeter should be more stable. Every time there is a new release coming up, a lot of its older functionalities or the new functionalities that are brought in are not very well-documented. It should be documented properly, and there should be proper use cases.""Its reporting could be improved. There should be a better visual representation. That would be helpful for easy consumption of the reports.""The solution needs to improve reporting. Currently, there is not enough automation involved with the feature. For example, there should be an automatic way of saving reports.""The plug-ins make the reports heavy and they have to be run in non-GUI mode.""Modeling a test is difficult. If you don't have much knowledge, you won't be able to do it easily. Testing APIs is also difficult.""The reporting is not very good.""The reports in Apache JMeter could improve."

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"There are some features that Micro Focus LoadRunner provides, but they are not available in IBM Rational Performance Tester. They should include such features. It can also have more reports similar to what HP provides. It might also need some improvement in terms of the tools and support for other technology areas. Certain technologies are not supported by every tool. They need to support all sorts of technologies and platforms on which web applications and mobile applications are built. They need complete support for all sorts of technologies."

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Pricing and Cost Advice
  • "I was using the free version of the software."
  • "In terms of open-source adoption, it is completely free."
  • "We are using the free version, and if required, we can easily switch to the other version."
  • "When comparing the price with Load Runner, and if the cost is an issue then JMeter is a better choice"
  • "I haven't looked into it. Most of our projects are nonprofit or grant-based. Everything is public commons, so we don't really have to worry about that so much."
  • "No licensing is required as it is a free, open-source tool."
  • "We are using the free version."
  • "Apache JMeter is a free open source solution and it is why we are using it."
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  • "It is much cheaper than Micro Focus LoadRunner. We need perpetual licenses. Support is included in the first sale. After that, you need to renew support every year."
  • More IBM Rational Performance Tester Pricing and Cost Advice →

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    Questions from the Community
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    Postman lets you easily define variables, which then get updated automatically. This is a huge time-saver and makes processes very efficient. We can also export the test cases we create and share them… more »
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    Blazemeter is a continuous testing platform that provides scriptless test automation. It unifies functional and performance testing, enabling users to monitor and test public and private APIs. We… more »
    Top Answer: 
    It is scalable. You can scale up to 1,000 users in JMeter. If you can put up four slave servers, you can easily ramp up to 1,000 users.
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    Also Known As
    JMeter
    Rational Performance Tester
    Learn More
    Overview

    Apache JMeter is an open-source Java application that tests load and functional behavior and performance in applications. Created initially to test web applications, it has expanded its functionality to test other functions. For instance, you can test a server to see how efficiently it works and how many user requests can be handled simultaneously.

    You can use JMeter to test functional performance and regression tests on different technologies. This Java desktop application has an easy-to-use graphical interface which uses the Swing graphical API. You can run JMeter on any environment that accepts a Java virtual machine, such as Windows, Linux, and Mac.

    What protocols does JMeter support?

    • Web - HTTP, HTTPS
    • Web services - SOAP/XML-RPC
    • Email service - POP3, IMAP, SMTP
    • FTP service
    • Database via JDBC drivers
    • LDAP
    • Native commands or shell scripts
    • TCP
    • Java objects

    How does JMeter work?

    JMeter sends requests to a target server by simulating a group of user requests. Then it collects and calculates statistics on the performance of the target. This target can be a server or an application.

    You can test the performance of static resources, such as JavaScript or HTML, and dynamic resources, such as JSP, Servlets, and AJAX. It is also helpful to determine how many concurrent users your website can handle.

    There are two main tests you can carry out with JMeter: load test and stress test. The load test models expected usage of a server by simulating multiple users accessing the web server simultaneously. The stress testing aims to find the maximum load capacity of the server or application.

    Apache JMeter Key Features

    • JMeter enables fast test plan recording, building, and debugging via a featured test IDE (integrated development environment).
    • Command-line mode allows carrying out load tests from any OS compatible with Java.
    • JMeter can extract data from most popular response formats, such as HTML, JSON, XML.
    • JMeter is entirely portable.
    • A multithreading framework allows you to simultaneously test multiple samplings and separate thread groups.
    • Thanks to the caching feature, you can conduct offline analysis or replay test results.

    Apache JMeter Benefits

    • As open-source software, it is freely available and continuously improved.
    • The setup is user-friendly, and no installation is needed.
    • The GUI (graphic user interface) is intuitive and easy to use.
    • You can write your own tests and use the visualization plugins to extend the testing.
    • It is a platform-agnostic tool. For example, JMeter can work with Linux by clicking on the JMeter shell script. On Windows, you can call up JMeter by starting the jmeter.bat file.
    • Since the test plans are stored in XML format, you can generate a test plan using any text editor.
    • You can simulate a heavy load on a server, a group of servers, a network, or an object. Use JMeter to test an application or server's strength and performance under different load types.

    The JMeter extensible core has numerous benefits:

    • Unlimited testing capabilities via pluggable samplers.
    • You can choose multiple load statistics with pluggable timers.
    • Visualization plugins and data analysis enable customization.
    • Continuous integration via third-party open-source libraries (Maven, Gradle, and Jenkins).

    Reviews from Real Users

    Stephen B., I.T. Architect, Analyst, and Developer at an educational organization, says, "The scripting ability is most valuable. It is easy to use. There is a UI, and you can go in there and figure those things out. After you've got a good set of tests, you basically have a scripted document that you can grab and execute in a pipeline. It is pretty quick to set up, and you can scale it and version control it."

    "I like the fact that JMeter integrates well with other tools," adds the Founder and Principal Consultant at a tech services company.

    A Quality Engineering Delivery Leader at a financial services firm says, “The performance of the solution is excellent. They have designed the product so that it is very easy to configure. You can basically do anything you like with the product. It's not very restrictive. We like the fact that the technology is open-source.”

    IBM Rational Performance Tester is a performance testing solution that validates the scalability of web and server applications. Rational Performance Tester identifies the presence and cause of system performance bottlenecks and reduces load testing complexity.
    Offer
    Learn more about Apache JMeter
    Learn more about IBM Rational Performance Tester
    Sample Customers
    AOL, Orbitz, Innopath Software, PrepMe, Sapient, Corporate Express Australia, CSIRO, Ephibian, Talis, DATACOM, ALALOOP, eFusion, Panter, Sourcepole, University of Western Cape
    andagon, Regence BlueCross BlueShield of Oregon
    Top Industries
    REVIEWERS
    Financial Services Firm33%
    Computer Software Company25%
    Educational Organization8%
    Program Development Consultancy4%
    VISITORS READING REVIEWS
    Computer Software Company29%
    Comms Service Provider20%
    Financial Services Firm10%
    Energy/Utilities Company5%
    VISITORS READING REVIEWS
    Computer Software Company37%
    Comms Service Provider18%
    Government9%
    Financial Services Firm6%
    Company Size
    REVIEWERS
    Small Business25%
    Midsize Enterprise26%
    Large Enterprise49%
    REVIEWERS
    Small Business24%
    Midsize Enterprise35%
    Large Enterprise41%
    Buyer's Guide
    Performance Testing Tools
    April 2022
    Find out what your peers are saying about Apache, Micro Focus, SmartBear and others in Performance Testing Tools. Updated: April 2022.
    595,546 professionals have used our research since 2012.

    Apache JMeter is ranked 1st in Performance Testing Tools with 23 reviews while IBM Rational Performance Tester is ranked 19th in Test Management Tools with 1 review. Apache JMeter is rated 7.6, while IBM Rational Performance Tester is rated 0.0. The top reviewer of Apache JMeter writes "Easy to learn, and free to use but could be more user-friendly". On the other hand, the top reviewer of IBM Rational Performance Tester writes "Supports web and mobile applications, very scalable, very stable, and wonderful support". Apache JMeter is most compared with Postman, BlazeMeter, Micro Focus LoadRunner Professional, Tricentis NeoLoad and RadView WebLOAD, whereas IBM Rational Performance Tester is most compared with Micro Focus LoadRunner Professional, IBM Rational Test Workbench, Tricentis NeoLoad, Micro Focus LoadRunner Cloud and BlazeMeter.

    We monitor all Performance Testing Tools reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.