The distributed load testing is very good and the ramp-up. When we come out with the right ramp-up plan, it can be converted into Apache JMeter script very well. This accurately simulates how many of our transactions need to be triggered.
Director Consulting Expert at a computer software company with 10,001+ employees
Great features, reliable over the years, with accuracy in overall performance
Pros and Cons
- "The distributed load testing is very good with Apache JMeter."
- "The distributed load testing is very good and the ramp-up, and when we come out with the right ramp-up plan, it can be converted into Apache JMeter script very well, accurately simulating how many of our transactions need to be triggered."
- "The initial setup is complex and needs to be upgraded."
- "The initial setup is complex and needs to be upgraded."
What is most valuable?
What needs improvement?
I would like to see exceptions improved. The initial setup is complex and needs to be upgraded. It would be great to have additional protocols other than HTTP, HTTPS, and APIs.
For how long have I used the solution?
I have been working with Apache JMeter for the past seven years.
What do I think about the stability of the solution?
The stability is good and I am not finding any issues.
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What do I think about the scalability of the solution?
We are not having any problems with the scalability of Apache JMeter
How are customer service and support?
Technical support is very good.
How was the initial setup?
The initial setup is complex.
What's my experience with pricing, setup cost, and licensing?
Apache JMeter is a free tool.
What other advice do I have?
I would rate Apache JMeter a nine out of ten.
Which deployment model are you using for this solution?
Hybrid Cloud
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Senior Technical Architect at RABBAH SOFT
Function testing solution that is straightforward to setup and offers stable performance
Pros and Cons
- "The most valuable feature of this solution is being able to launch many requests and scheduling simulating human interactions with the application."
- "The most valuable feature of this solution is being able to launch many requests and scheduling simulating human interactions with the application."
- "If JMeter could integrate with the EPM solution, it would be great. It could also be improved by offering more integrations for security. For example, most applications are secure with OpenID Connect protocols."
- "If JMeter could integrate with the EPM solution, it would be great. It could also be improved by offering more integrations for security."
What is most valuable?
The most valuable feature of this solution is being able to launch many requests and scheduling simulating human interactions with the application. There are some other plugins for monitoring and collecting data for JMeter but we don't use them.
What needs improvement?
If JMeter could integrate with the EPM solution, it would be great. It could also be improved by offering more integrations for security. For example, most applications are secure with OpenID Connect protocols.
For how long have I used the solution?
I have been using this solution for more than 10 years.
What do I think about the stability of the solution?
This is a stable solution.
Which solution did I use previously and why did I switch?
We previously used Katalon.
How was the initial setup?
The initial setup is straightforward.
What other advice do I have?
I would rate this solution an eight out of ten.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company has a business relationship with this vendor other than being a customer. Partner
Buyer's Guide
Apache JMeter
May 2026
Learn what your peers think about Apache JMeter. Get advice and tips from experienced pros sharing their opinions. Updated: May 2026.
893,244 professionals have used our research since 2012.
Senior Test Engineer at a computer software company with 201-500 employees
An open-source solution that offers good test script development functionality, but does not have a script exhibition feature
Pros and Cons
- "This solution is very user-friendly, and allows for a lot of data capture when testing."
- "This solution is very user-friendly, and allows for a lot of data capture when testing."
- "We would like more documentation to be provided for the advanced level features that are available in this solution, in order to improve development."
- "We would like more documentation to be provided for the advanced level features that are available in this solution, in order to improve development."
What is our primary use case?
We mainly use this product for load and endurance testing.
What is most valuable?
This solution is very user-friendly, and allows for a lot of data capture when testing.
We also found that the test scripts that the system automatically generates are extremely well created.
What needs improvement?
We would like more documentation to be provided for the advanced level features that are available in this solution, in order to improve development.
For how long have I used the solution?
We have been using this solution for two to three years.
What do I think about the stability of the solution?
We have found this solution to be very stable overall.
What do I think about the scalability of the solution?
We believe this to be a scalable solution, although we have not made any amendments in user numbers to date.
How was the initial setup?
The initial setup of this solution was very simple; the product is open-source, so only requires a download in order for the implementation to be executed.
What about the implementation team?
We implemented this solution using our in-house team.
What's my experience with pricing, setup cost, and licensing?
This is an open-source solution, so there is no requirement for licenses.
What other advice do I have?
We would recommend that any organization using this solution for test script development, may also want to look for a complementary product to handle script exhibition.
I would rate this solution a seven out of ten.
Which deployment model are you using for this solution?
Public Cloud
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Delivery Manager at a tech services company with 10,001+ employees
Plenty of features, straigthforward installation, but reports could improve
Pros and Cons
- "The most valuable feature of Apache JMeter is its popularity. It is the best open-source tool with all the features needed."
- "The most valuable feature of Apache JMeter is its popularity; it is the best open-source tool with all the features needed."
- "The reports in Apache JMeter could improve."
- "The reports in Apache JMeter could improve."
What is our primary use case?
We are using Apache JMeter for automation and for processing activities of our clients. Additionally, it is used for testing.
What is most valuable?
The most valuable feature of Apache JMeter is its popularity. It is the best open-source tool with all the features needed.
What needs improvement?
The reports in Apache JMeter could improve.
For how long have I used the solution?
I have been using Apache JMeter for approximately one and a half years.
What do I think about the stability of the solution?
The stability of Apache JMeter is good.
What do I think about the scalability of the solution?
Apache JMeter is scalable.
We have less than five people using this solution in my organization.
How are customer service and support?
There is a lot of support available that is good, such as in forums. However, they do not have a dedicated team that you can contact.
Which solution did I use previously and why did I switch?
I have not used a solution previously.
How was the initial setup?
Apache JMeter was straightforward to install.
What's my experience with pricing, setup cost, and licensing?
The price of Apache JMeter is good. The selling rate is quite effective and the limited users with a multi-region-related execution.
What other advice do I have?
My advice to others is to go through some basic video processes, which are available on YouTube and Apache JMeter site, it has a lot of documentation that will help you get prepared and used to the tool.
I rate Apache JMeter a seven out of ten.
Which deployment model are you using for this solution?
Public Cloud
If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?
Amazon Web Services (AWS)
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Principal Software Automation Engineer at PubMatic
Open-source, with a good online community, but the scalability, and data storage could improve
Pros and Cons
- "The thread groups, samplers, and listeners, which are all determined by the script's requirements, are the most valuable features of this solution."
- "The thread groups, samplers, and listeners, which are all determined by the script's requirements, are the most valuable features of this solution."
- "There could be improvements in terms of memory utilization. We are going to migrate away from JMeter in the near future."
- "We are going to migrate away from JMeter in the near future."
What is our primary use case?
We use Apache JMeter for the load generation scripts for performance testing.
What is most valuable?
The thread groups, samplers, and listeners, which are all determined by the script's requirements, are the most valuable features of this solution.
What needs improvement?
We use many plugins to customize our scripts, which is its main purpose. We wanted to be able to use a larger variety of customizable plugins to meet our needs. Along with our, JMeter, you would use a variety of plugins.
The number of customization plugins should be increased.
There could be improvements in terms of memory utilization. We are going to migrate away from JMeter in the near future.
The data storage should be improved.
Scalability could be improved.
It should support more protocols.
For how long have I used the solution?
I have been working with Apache JMeter for three or four years.
We use version 5.0
What do I think about the scalability of the solution?
We are using the cluster mode because one node is definitely not enough. Scalability can be improved.
When compared with other solutions, it's not as good, which is the reason we are moving to another solution.
Scalability must improve.
How are customer service and support?
Generally, we use open forums, to resolve any issues we may have.
Which solution did I use previously and why did I switch?
I also work with BlazeMeter.
I worked with Apache JMeter, from the beginning.
How was the initial setup?
The initial setup is straightforward.
We have a small team to maintain this solution.
What about the implementation team?
We completed the installation on our own. It was completed in-house.
What's my experience with pricing, setup cost, and licensing?
Apache JMeter is an open-source solution.
We don't use the paid version of this solution.
Everything is included, and there are no additional costs.
What other advice do I have?
I would suggest that instead of using a GUI-based implementation, try to make it code-based. Try to replicate the configuration. The plug should be job-ready, and ready to be integrated as well. Rather than having a UI, and limitations.
Three or four years ago, I would have given it a seven or eight, but now that there are more powerful competitors, I would give Apache JMeter a five out of ten.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Application Development Analyst at a financial services firm with 10,001+ employees
Recommended for usability but struggles to handle bigger loads
Pros and Cons
- "The most valuable features are the ability to capture the entire traffic of particular pages and the proper readability of entire pages and entire APIs."
- "The most valuable features are the ability to capture the entire traffic of particular pages and the proper readability of entire pages and entire APIs."
- "One of the drawbacks of JMeter is that it can't handle a large amount of load, which forces us to switch to other tools when we need to load more than a 5,000 or 10,000 user load."
- "One of the drawbacks of JMeter is that it can't handle a large amount of load, which forces us to switch to other tools when we need to load more than a 5,000 or 10,000 user load."
What is our primary use case?
I mainly use JMeter to capture the traffic of the most-visited page to see how much load a particular page is getting and how many users are using that page for a particular amount of time. I've also used it to capture APIs for particular pages.
What is most valuable?
The most valuable features are the ability to capture the entire traffic of particular pages and the proper readability of entire pages and entire APIs.
What needs improvement?
One of the drawbacks of JMeter is that it can't handle a large amount of load, which forces us to switch to other tools when we need to load more than a 5,000 or 10,000 user load. In the next release, I would like JMeter to be more compatible with other languages in the market.
For how long have I used the solution?
I've been using JMeter for six to eight months.
What do I think about the stability of the solution?
JMeter can't be used in the long run, so I'd rate its stability as five out of ten.
What do I think about the scalability of the solution?
I would rate JMeter's scalability as seven out of ten.
How are customer service and support?
Apache's technical support is pretty good, I've had no issues with them.
How was the initial setup?
The initial setup was straightforward and took about five to six months.
What about the implementation team?
I used an in-house team.
What's my experience with pricing, setup cost, and licensing?
JMeter is open source, so there are no licensing costs associated with it.
Which other solutions did I evaluate?
I evaluated SoapUI, Postman, and Visual Studio. JMeter was more reliable compared to these options.
What other advice do I have?
I would definitely recommend JMeter in terms of usability. If you're using AngularJS as a language for testing UIs, JMeter might not be a good idea. I'd rate this solution as six out of ten.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Vice President at Narwal
Provides good metrics and allows you to write your custom code, but reporting could be improved
Pros and Cons
- "The metrics part of it and the ability to write your custom code to do some specific tests in the performance testing space are the most valuable features."
- "If you want to test your application out and not incur a lot of costs, it is probably the best tool."
- "Its reporting could be improved. There should be a better visual representation. That would be helpful for easy consumption of the reports."
- "JMeter is probably good for lower loads. It is not comparable to LoadRunner when it comes to higher loads."
What is our primary use case?
We are in the service industry. We implement it for our customers. We recommend the right tool and set it up for them. So, I've not had any hands-on experience in my current role, but I have a good understanding or a fair idea of the tool's capabilities. I have a team that takes care of the technical aspects.
It is an open-source solution. So, typically when you don't want to make a heavy investment, and you want to do some level of performance testing, Apache JMeter is used.
It is typically on-premises, and it has also been on the public cloud. It could be Azure, or it could be AWS. It is very rarely on GCP.
How has it helped my organization?
It helps them to look into several parameters. For example, when you have certified test cases that are predominantly repeated on an application, you can execute the same thing with increased load. You can see how the application responds and if there is an impact on the response time of the application. You can confine it to certain parameter conditions and then start making changes to see how it performs. You can see where the RAM or CPUs are stagnant and not increased.
What is most valuable?
The metrics part of it and the ability to write your custom code to do some specific tests in the performance testing space are the most valuable features.
It is easy to use. If you want to test your application out and not incur a lot of costs, it is probably the best tool.
What needs improvement?
Its reporting could be improved. There should be a better visual representation. That would be helpful for easy consumption of the reports.
For how long have I used the solution?
I have been using it for about four to five years.
What do I think about the stability of the solution?
JMeter is probably good for lower loads. It is not comparable to LoadRunner when it comes to higher loads.
What do I think about the scalability of the solution?
It probably scales up to a few thousand users but not beyond that.
How are customer service and support?
Because it is an open-source community, their support is probably average. It won't be like the support for a commercial product. I would rate it a six out of ten.
Which solution did I use previously and why did I switch?
LoadRunner is one of the prominent tools. It was formerly HP, and now it is Micro Focus. It has good capabilities and features. It also has decent reporting capabilities. Because of the brand and the capability, it was probably chosen by most of the Fortune 500 clients that we work with. There are also some startup communities or organizations that ventured into other solutions, such as JMeter.
In terms of comparison, primarily, there are three to four parameters. The first one is the ease of use. The second one is about the protocols that need to be tested, whether it's web or API, HTTP, HTTPS, and all the native things. The third one is in terms of flexibility in setting it up and executing, and the fourth one is in terms of monitoring the execution and reporting pieces. Those are the key parameters for pros and cons. LoadRunner gives you a lot more capability and flexibility, but at the same time, it also consumes a lot of resources. JMeter is relatively simpler, cheaper, and easier to use.
How was the initial setup?
I don't have hands-on experience with it, but based on what I have heard from people, it's pretty straightforward in terms of the setup.
The setup probably takes a week or two, and then the execution is probably a three to four weeks exercise.
What about the implementation team?
We are in the services business. Clients give us access, and we set it up there.
What was our ROI?
It is certainly good for testing out the applications for performance testing, especially when you have to test them out frequently and make sure that they are good for at least a few thousand users. It has a decent ROI.
What's my experience with pricing, setup cost, and licensing?
It is open source. There are no licensing costs associated. If you need enterprise support, you'll probably end up paying for a license.
You would also factor in the infrastructure cost, but that's not significant.
What other advice do I have?
I would rate it a seven out of ten. It is a decent choice from a small-scale perspective, but reporting could be better. If you want to get some performance testing done without spending money, JMeter is probably the best tool. It doesn't have the best reporting, but it is quite a handy tool.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Performance Engineer at a tech services company with 10,001+ employees
Very user friendly and being open source makes it very beneficial for low budget projects
Pros and Cons
- "User-friendly and open source."
- "The benefit of JMeter is that it does our performance testing and provides a report without the need to spend money on a licensed tool, which is a significant benefit for us and for the project we're currently working on."
- "The plug-ins make the reports heavy and they have to be run in non-GUI mode."
- "If you go above the 200 user mark, the application creates a bottleneck and that's one of its major drawbacks."
What is our primary use case?
My main use case of JMeter is for web application performance testing as well as for API performance testing. We are customers of Apache.
How has it helped my organization?
The benefit of JMeter is that it does our performance testing and provides a report without the need to spend money on a licensed tool. It's a significant benefit for us and for the project we're currently working on.
What is most valuable?
The fact that the solution is open source makes a big difference as we're working on a low-budget project. It's quite user-friendly and easy to use.
What needs improvement?
There are issues with the plug-ins which you need for reporting purposes as they make the reports quite heavy so you have to run them in non-GUI mode. If you go above the 200 user mark, the application creates a bottleneck and that's one of its major drawbacks. It means you have to run with a master-slave configuration with one system being the master, and multiple slave systems. It's not ideal and I think it could be simplified with a UI that provides direct configuration. In addition, the solution doesn't support SIP applications and some other protocols.
What do I think about the scalability of the solution?
JMeter is not designed for high loads, if you overdo it the tool becomes a bottleneck. Unless you're using JMeter in multiple systems and all the systems are connected through a particular LAN, there is a limit.
How are customer service and support?
Because it's freeware there's no official tech support but you can raise a request on the JMeter site. We haven't had many problems.
Which solution did I use previously and why did I switch?
We were previously using LoadRunner for this project but moved to JMeter because it's a freeware testware.
How was the initial setup?
The initial setup is quite easy. There is no deployment process, you download a file from the web application service from your JMeter site, and you can use it. Any user with a little bit of knowledge can do it. The download takes about 15 minutes so you can be using JMeter in about half an hour. From time to time there are version upgrades but they don't affect existing assets. We have four people using JMeter and they don't have any issues.
What's my experience with pricing, setup cost, and licensing?
BlazeMeter works on top of JMeter and there is a small cost factor to purchase that. It basically gives a slightly more advanced JMeter.
What other advice do I have?
If you're working on a low-budget project and don't have dependencies of a huge number of users then this is the perfect tool. If you have 2,000 or 3,000 users then it's probably best to look at other options.
I rate this solution eight out of 10.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
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