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IBM Rational Performance Tester

IBM Rational Performance Tester


What is IBM Rational Performance Tester?

IBM Rational Performance Tester is a performance testing option.

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What is IBM Rational Performance Tester?

IBM Rational Performance Tester is a performance testing option.

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Product Details

What is IBM Rational Performance Tester?

IBM Rational Performance Tester Technical Details

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Reviews and Ratings



(1-2 of 2)
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Amr Saad | TrustRadius Reviewer
Score 8 out of 10
Vetted Review
Verified User
In my organization, IBM Rational Performance Tester is mainly used by the Quality Department to ensure that our applications is delivered to our customers according to the agreed SLA Agreement. We mainly use it along with JMeter depending on the project's requirements and project's budget. IBM RPT provides a variety of features that can be helpful for any team that needs to conduct Performance Testing, like having ready-made scripts that can help you create your performance scripts also, there are great live monitoring features. Also, IBM RPT is compatible with all IBM Tools like IBM Case Manager, etc. So you can conduct Performance Tests on them easily.
  • Live Monitoring of Performance Testing Metrics
  • Easier Test Data Parameterization
  • Performance Tests Scheduler
  • Server Resource Monitoring
  • Great Reports that can be Exported as HTML Reports
  • UI and User Experience can be better
  • The license can be a little bit costly
  • The application needs better memory utilization, as it eats up all the system's memory
  • Custom Scripting if needed is a bit difficult
IBM Rational Performance Tester is very well suited for conducting all kinds of performance tests on Web Applications but it does not support Desktop Applications. You should get it if you only want to conduct Performance Tests as this is not an Automation Tool so it won't meet the expectations of it. IBM Rational Performance Tester is very well suited for conducting Performance Tests on IBM Tools like IBM Case Manager or IBM BPM.
  • Performance Reports generated after execution
  • Monitoring different Performance and Resources Metrics
  • Ready Made Scripts that help create Perdormance Test easily
  • Able to conduct performance tests on different IBM Tools with ease.
  • Saved a lot of time in recording performance scripts upon using the record and play feature.
  • Can be a bit costly in some projects.
IBM Rational Performance Tester is better in many aspects when compared to Apache JMeter. For example, you have ready made scripts to assist you, You have better monitoring of different performance metrics and can generate better reports that can be exported as HTML. The only downside of IBM RPT is that it can be very costly at times while JMeter is for free which is a huge advantage. That's why we try using in our organization a combination of both as much as we can.
Score 6 out of 10
Vetted Review
Verified User
In my organization, we are a separate entity where we own a Java-based public facing Web application. Since it is public facing, performance is one of the critical criteria to be able to meet the expectation of the client. We have strict SLAs related to the performance of the application.

Therefore, we rigorously conduct tests on the application to make sure that we are meeting all the requirements stated by the clients. To test this, we were in search of a performance testing tool which is compatible, and adequate with our application. We finalized a couple of tools including IBM Rational Performance Tester, and finally made a decision to go ahead with IBM RPT, for the following reasons:

1. My Organisation recommends using either IBM RPT or JMeter for performance testing of Java based web apps. This recommendation comes from a detailed research which also involves employee surveys and feedback.
2. For a new team (or for a beginner) IBM RPT is a great tool to start with. Anyone familiar with performance testing understands the importance and complexity of data correlation, of which most of the part is automatically handled by RPT! And for the remaining, it is a piece of cake to do it compared to other tools.
3. RPT provides ways to conduct different types of performance testing with its Performance Scheduler, which is really easy and convenient to create. Also when a test is in progress, it provides a very broad view of all the critical metrics to judge the performance along with graphs.
4. Great and detailed Performance Reports supporting several formats.
5. Reasonable price compared to its competitors.
  • Data Parameterisation/ Data Correlation is made simpler compared to its competitors
  • Distributed Load Testing is easier to set up
  • Performance metric gathering while a test is in progress
  • Th look and Feel really helps a beginner to understand and work with.
  • Memory utilization could have been improved.(Eats up system's RAM)! It may crash if a test is conducted with the heavy load if adequate RAM is not available in the VM/host machine.
  • Licensing could have been made simpler. IBM's licensing method is difficult to follow.
  • Support for protocols other than HTTP. Not really up to the current trend.
Go for IBM RPT if:
1. You're testing a Java-based Web application with HTTP protocol
2. You wanted to distribute the load across machines easily
3. Your team is in learning phase/not really introduced to a wide range of performance testing tools

Do not go for IBM RPT if:
1. You wanted to test REST or any other advanced protocols
2. Your system under test demands a very high user load
3. Your application is written in .NET or any other platform except Java.
  • Accuracy in metrics, thus improving system's performance
  • Costs less compared to competitor like HP LoadRunner
  • Helped the team of beginners learn things quickly
Cost/Licensing: While JMeter is an opensource testing tool from Apache, compared to IBM RPT and HP LoadRunner, RPT is much cheaper than Loadrunner.

Functionality: JMeter provides basic functionalities which are adequate for performance testing, however advanced features are not available (such as load testing with GUI, reporting is very basic etc.). But when it comes to Loadrunner, it offers very broad features and supports a variety of protocols. So in this category, Loadrunner is a winner, but RPT is better than JMeter.

Ease of operating: JMeter is easy compared to LoadRunner, but it has old GUI and look and feel is not that great to understand. Also, most of the things are to be done in a command line, non-GUI mode. While LoadRunner is very advanced with many options, which also confusing sometimes. But RPT, on the other hand, maintains a balance between simplicity and offering of different features. So winner: RPT.
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