6. This way, You can use constant throughput timer in your load test plan to. Constant Timer with a Thread Delay of 5 milliseconds. I am using a Constant Throughput Timer with "Calculate throughput based on: all active threads in current thread group" selected. 2. So the scenario is the next: Attempt to log in with invalid params in a loop. Improve this answer. JMeter User Defined Variable for enabling Test Duration. Except for /pdfbill (set to 50%), as we only want 25 concurrent users here instead of 50 users. Actually I use a constant throughput timer to keep the frequency constant. JMeter Constant Throughput Timer Example. Download. Share. To get request running each 5 seconds set "Target Throughput" to 12 requests per minute (1 request each 5 seconds) So you will have requests firing as per your requirement: For request which needs to be executed once per 5 minutes do the same but set "Target Throughput" to 0. In. Throughput Shaping Timer. 2. This can be used to add some delay/think time between each request. The first request wil receive the correct amount of throuhput the first time, and so will the 2nd request. Doing the math, it should send a request every 5 milliseconds, and being 200 Threads, it should send 200 requests/second (200*5 = 1000ms). The JMeter Timers available are as follows: BeanShell Timer. It is not even reaching 14 (well, except once)Irrespective of how much time the previous request took, it will apply the remaining time. Constant Throughput Timer; Throughput Shaping Timer; Precise Throughput Timer; Random number of messages in the request body payload: in both tools you will have to write some code for this, in LoadRunner you basically have to write the code for everything, in JMeter you can add JSR223 PreProcessor and use Groovy. a) To maintain a constant throughput rate b) To simulate real user behavior c) To generate random data d) To pause the thread execution Answer: a) To maintain a constant throughput rate Explanation: The Constant Throughput Timer in JMeter is used to maintain a constant throughput rate by controlling the number of requests per. Different Timer Types. Do not select "This thread only" value for Timer added at root, as it will change the result. How to add a Timer-Right Click on Thread Group -> Hover over Add -> Hover Over Timer -> Click on the required Timer. 7. This video features Precise Throughput Timer in #JMeter. Constant Timer or Gaussian Random Timer or Uniform Random Timer or whatever. So the options are in: Increase the number of threads in the Thread Group to i. Of course the throughput will be lower if the server is not capable of handling it, or if other timers or time-consuming test elements prevent it. To add a timer element, we need to right-click on the Thread Group element and select Add, Timer, Constant Timer. 3. If you want to send specific amount of requests during this hour consider using Constant Throughput Timer, but be aware of the following:. As you see, no other timers except Througput shaping timer. Precise Throughput Timer is more "precise" but a little bit harder to use as you need to provide controlled throughput. View Results Tree 5. This includes any intervals between. Alternative options are: JMeter also provides a useful timer component to configure or set a constant throughput value to test the application load. How do you expect the timer to "work" given you have only one thread and one iteration in the Thread Group especially given your test finishes in 500 milliseconds and you configured the test duration as 500 seconds. Testing without a JMeter timer can create irregular test results because the simulated requests will come in a different pattern than what is seen in a real-world situation. Tổng kết 2 Answers. jsr223 request Constant Throughput Timer - 100 rpm. Constant Timer adds a delay after the request completes (not after start), which doesn't fit either. My load would be held for 3 minutes. Ok, so I have control over the below parameters in Apache JMeter: Number of Threads (users) Ramp-up period (in seconds) How do I test for varying sampling rate and not varying user addition rate? Even a fixed sampling rate would do. The timer tries to produce a constant throughput till the end of the test to achieve the target. JMeter's Constant Throughput Timer can only pause the threads in order to limit requests execution rate to the desired value, it won't kick off extra threads if current amount is not sufficient. Constant Throughput Timer. Results Action Set Handler 4. Constant Timer at Thread Group level. Ori Marko. This is known as Think Time and Jmeter provides different types of timers to help add the right amount of between samples: Constant Timer – will pause for the same amount of time. Adding a constant timer on a transaction. new_throughput – new intensity value, op/min. So you need to supply the sufficient amount of threads in the Thread Group. If your goal is to mimic real users behavior as close as possible -. It pauses the execution of test for a specified constant amount of time. The Throughput Shaping Timer plugin adds the following features to JMeter: The Throughput Shaping Timer element - a timer that sets the desired RPS schedule via the JMeter GUI. g. org; The function of timers is to delay the requests. This timer generates Poisson arrivals with constant throughput. Constant Throughput Timer Value=120/sec is used. Improve this question. The time is calculated from the start of the first sample to the end of the last sample. N. Hot Network QuestionsYou can slow down JMeter's number of requests per minute by using Constant Throughput Timer. This is "closed workload" approach, and it has major drawbacks (see here why). Add Constant Throughput Timer to your Test plan and configure it to send 30000 requests per minute (500 requests per second) Make sure that all the Samplers are in the Constant Throughput Timer's scope and you have. 1 Answer. Constant Throughput Timer Controlando el número de solicitudes por minuto (es decir, la forma de controlar el rendimiento) para controlar si se debe retrasar la pausa. 1 Answer. Throughput Shaping Timer is a plugin and you need to install the plugin. thread group (thread = 1000, ramp up = 100 sec, loop count = 1) loop controller( above 3 request with loop count = 12) constant throughput timer = 5. Total Http Requests - 24, Total Http Request/min - 12, Test Duration 2min, Waiting time between requests per minute : 60min/12req = 5sec . Select "Test Plan" node. Figure 01: JMeter Timer Elements Scope of JMeter Timer: 1. The Constant Timer can be used to pause each thread for the same “think time” between requests. 4. 让线程暂停一个随机时间。由两部分组成： Random Delay Maximum 随机延迟部分; Constant Delay Offset 固定延迟部分; 实例： 1、添加线程组，添加 Uniform Random Timer ，添加HTTP请求，设置固定延迟部分未2000毫秒，随机延迟部分在2000ms。也就是线程延迟在2-4s之间Built-in Constant Throughput Timer; Throughput Shaping Timer from jmeter-plugins. Each JMeter thread executes samplers as fast as it can, however next iteration won't start until previous is finished so given you use 1 thread - the throughput won't be higher than application. In this case, we are using a JMeter plugin – Throughput Shaping timer. To achieve this I have configured a Constant Throughput Timer to 12000 requests per minute (active for. 1 Answer. In actual execution, in 1 hour. The tail of this log (most recent 200 rows) can be viewed live while the test is running. It in a way reflects the capacity of the server. $ {__Random (1000,5000,)} –> sẽ trả về giá trị. The above configuration will add a 5-second delay before the execution of each sampler, which is in the Constant Timer’s scope. JMeter – Constant Throughput Timer. And one of them has an obvious title – “Constant Throughput”. Listeners, may be placed directly under the test plan, in which case they will apply to all the thread groups. 可以使用常数 吞吐量定时器 ( Constant Throughput Timer )来实现。. 4 requests per minute, it can be done using i. Improve this answer. e. I have single thread group with 40 users. thread numbers, target throughput and what kind of information needs. A s the name suggested, Uniform Random Timer is used to generate the random delay in a uniform manner. After that, we need to add the constant throughput timer, so first, we need to right-click on sample-> select Timer, and inside we need to click on Constant Throughput Timer and set the constant throughput timer as per our requirement. We highly recommend using the Uniform Random Timer. 7 requests per second. Precise Throughput Timer (PTT) # Como mencionamos previamente, el Precise Throughput Timer (PTT) y Constant Throughput Timer (CTT) tienen como propósito regular el arribo de hilos (Vusers). Constant Throughput Timer is only capable of pausing JMeter threads in order to slow them down to reach the target throughput. I think the documentation was before Ultimate Thread Group was introduced. Constant Throughput Timer; Don't use GUI to run JMeter tests as it might have very negative impact on test results, JMeter GUI is only for tests development and. Moreover, it's more or less precise only on "minute" level, if your test lasts less - you may not see the impact. There are two different ways of pacing the requests: - delay each thread according to when it last ran - delay each thread. 2. This is what we need to control request frequency. For further detail check JMeter blog about Constant Throughput Timer. Or, in other words, how long it will take for JMeter to start execution of all the threads. You can specify the pause in ‘Thread Delay’ field. It seems that the Constant. Open your JMeter script and right click on Thread Group. Constant Throughput Timer The constant throughput timer is a special type of timer used to create pauses. 30. You can add this element to your test plan by following “ Thread Group -> (right click) -> Add -> Timer -> Constant Throughput Timer ” path. So first of all try increasing the number of threads; Make sure to follow JMeter Best. When you need to add a delay based on an edge condition which is not covered by other timers i. You can see that Start time difference between 1st request and 41st request is 1 minute. So the formula is: |0. As the name implies, the thread group element controls the number of. BSF Timer. Constant Throughput is a. 3. 让线程暂停一个随机时间。由两部分组成： Random Delay Maximum 随机延迟部分; Constant Delay Offset 固定延迟部分; 实例： 1、添加线程组，添加 Uniform Random Timer ，添加HTTP请求，设置固定延迟部分未2000毫秒，随机延迟部分在2000ms。也就是线程延迟在2-4s之间For example, if you need 100 RPS, then “Target Throughput” value should be 6000/min in Constant Throughput Timer. Given you use Concurrency Thread Group it makes more sense to switch to Throughput Shaping Timer which can be connected to the Concurrency Thread Group. Test execution result will looks like below for constant throughput timer jmeter example. Throughput - the Throughput is measured in requests per second/minute/hour. 3. Jmeter: Constant throughput Timer with Ultimate Thread Group. Constant Throughput Timer. Constant Throughput Timer (bộ hẹn giờ thông lượng không đổi) được sử dụng như một yếu tố định hướng mục tiêu giúp đạt được thông lượng mong muốn (tổng số yêu cầu). Remember - if the application itself is not supporting the desired throughput, jmeter can not help here. JMeter now supports. See How to use JMeter's Constant Throughput Timer. As you see, no other timers except Througput shaping timer. The first thread group randomly picks one of several. Throughput Shaping Timer. jmeter里面不可以直接控制吞吐量，但是我们可以通过操作并发数变相改变吞吐量。. Mouse hovers "Add". e. S3E3 Learn JMeter Series - Constant Throughput Timer. Click on Constant Throughput Timer; This timer has the following fields,. Throughput controllers for all API calls is set to 100% 'Percent Executions' with 'Per User' ticked off. To implement pacing in Apache JMeter™, we can use either use Groovy Scripting or one of these two timers: the Constant Throughput Timer or the Throughput Shaping Timer. Throughput Shaping Timer Properties. Share. 2. The time unit is chosen so that the displayed rate is at least 1. 0. JMeter slaves are totally independent beasts hence they don't know anything about each other so both nodes will produce 200 TMP therefore you will get 400 in total. 1 Thread Group. Constant Throughput Timer. Right click on Thread Group > Add > Timer > Constant Throughput Timer. QAInsights. The Throughput Shaping Timer plugin also adds a number of properties to the standard JMeter functionality: elementName_totalDuration is a sum of all durations from the Request Per Second Schedule. Jmeter Throughput Shaping Timer sending more requests then desired. I have given 7 transactions per minute with calculate throughput based on parameter as all active threads. If you want to limit JMeter's throughput to 1100 requests per minute consider using Constant. throughput property as: ${__P(throughput,)} "tell". Also its effect is not immediate so during 1st minute of your load test you need to control virtual users arrival rate using Ramp-Up Period setting on Thread Group level. A user logs in, goes to the main page, searches for a product, sees the results and goes to the detail page of one option. Now if you want to control the rate of transactions per second or the number of samples to execute you can use Constant Throughput Timer. Though you can develop test plans manually by building them from within the JMeter GUI, or generating them via some domain-specific language (DSL), recording scripts by JMeter's HTTP(S) Test Script Recorder is one of the. Also, it works only on a minute level so you need to properly calculate the ramp-up period and let your test run long enough. Uniform Random Timer. Concurrency can be controlled via Constant Throughput Timer or Throughput Shaping Timer and monitored via Server Hits Per. Step 2. This timer adds a delay between each request. if the transaction controller has 3 child samplers and you want the whole transaction to be executed 100 times/minute - you need to set the target throughput to 300 requests/minute. 4. Constant Throughput Timer will be enough for your scenario. Constant Throughput Timer can only pause the requests to limit JMeter samplers execution rate to desired value, it won't kick off any extra threads if the current throughput is lower than expected. Remember 2 things: Throughput Timer isn't able to create threads, it can only slow them down so make sure that you provide enough threads to reach desired target throughput July 1, 2023 by PerfMatrix. Because JMeter sometimes displays throughput in per minute and sometimes in per second, whereas the hits per second is always per second. e. 0. Given here are some JMeter listeners that you can use for this purpose: Summary Report Aggregate Report Aggregate Graph Graph Results. Also be. The timer will be applied before the sampler is executed. Despite its name Constant Throughput Timer doesn't have to be "constant", you can define throughput default value using __P(). Precise Throughput Timer. As I keep on increasing the target throughput of JMeter at runtime, I noted that the actual achieved throughput value is limited by mainly 2 factors -. testelement. The test-plan includes a Constant Throughput Timer which is defined in terms of a property, e. 0” your. So the real throughput depends on 2. control. Lets consider below load scenario for example: Total no of users = 5. Constant Throughput Timer will try to slow down JMeter's throughput to the defined value by sleeping for the period of time before executing the Sampler if. TestElement. This is "closed workload" approach, and it has major drawbacks (see here why). asked Mar 4, 2021 at 6:07. Given you have the timer you produce less load so application has more chance to respond properly. Constant Throughput Timer. Throughput depends on response time for fixed set of users (threads). Share. jmeter. Khi đó bạn sẽ cần sự trợ giúp từ hàm _Ramdom của JMeter. Constant Throughput Timer treats samplers individually therefore you need to multiply the throughput for the transaction by the number of its children samplers, i. mirek (Bug 64928): Component impacted: Constant Throughput Timer Case: value of target throughput set to: ${__P(tpm)} (or any other variable/property) tpm value is not a valid positive float. 4. Ultimate Thread. Constant throughput timer is used to control the execution of requests according to the specified throughput. 0. For example, this can be used to assign a distinct user id to be used by each thread. Maybe I'm wrong here, but this should be samples per minute, so 200. Now let us see in brief about some commonly used timers of Jmeter. Ramp-up is the time for JMeter to kick off the virtual users from point 1. Sample Time of Sample 2 is 172 ms. This would allow you to adjust it via Command Line in real time, as the test script is being executed. I think that you're misusing Constant Throughput Timer. 1. "Time cap" is not a term used in the JMeter docs, but assuming what you mean, it can be set between loops by using Test Action or other JMeter mechanisms if. I currently need to execute a test with apache Jmeter that makes 400 requests per second. Its called JMeter Throughput Constant Timer. Thread group elements are the beginning points of any test plan. e. testelement. I am having 5 request inside that. To get the exact sampler's count at the end of the test, you need to eliminate transaction's count from the aggregate report to check whether constant throughput timer is working fine or not. 50 (you may need even more)タイマーは、JMeterが次のリクエストを送信するのを遅らせるために使用されます。. 3. The various timers provided by JMeter include the constant timer, uniform random timer, constant throughput timer, Poisson random timer and Gaussian random timer. We will perform the load test on the JCG home page (Constant Throughput Timer is only capable of pausing JMeter threads in order to slow them down to reach the target throughput. Follow asked Oct 26, 2019 at 10:10. I have tried with below jmeter tools. Test Case 2: - 6 requests per minute - 1 request each 10 seconds. Constant Throughput Timer introduces variable pauses, calculated to keep the total throughput (in terms of samples per. Constant Timer: This is one of the most popularly used timer in JMeter. – EBDS. it worked. Constant Throughput Timer. 1. Constant Throughput Timer can only pause the threads in order to limit JMeter to the defined number of requests per minute. Constant Throughput Timer. Click Add –> Timer –> Constant Timer. Component Properties - Properties that contain information about the duration and. I have constant throughput timer which will hit 1 request in 3 minutes in my test plan due to this my requests are getting timeout as it is delaying requests to 1 hour. If you need to limit JMeter throughput to 60 requests per second only you can do it using Constant Throughput Timer: Add Constant Throughput Timer to your Test Plan ; Set "Target Troughput" to 60; Set "Calculate Troughput based on" to All active threads; This way JMeter will "pause" its threads (virtual users) to slow them down to 60. The application. And run the following to. I have a cloudsearch endpoint on AWS. 2. If you want to slow down JMeter to the desired number of requests per minute it can be done using Timers. 6. So you must supply enough threads in the Thread Group to create more requests per second than you're trying to achieve and then limit the number of requests per second to the desired rate using. If it is added at the Test Plan level then it acts as a global timer and the delay is added for all the samplers before the process. You need to run Sampler(s) at rate of 600 per minute so this is what you need to specify in the Constant Throughput Timer. Share. 作用：用来设置集合点，其作用是：阻塞线程，直到指定的线程数量到达后，再一起释放，可以瞬间产生很大的压力. Long time JMeter users had to try their tests on and on, finding exact number of threads and timer delays that produce desired number of requests per second (RPS) to server. This can be done by using Apache JMeter™´s Constant Throughput Timer and the Beanshell server. The constant throughput timer delays the request to ensure that JMeter does not perform more requests than. If there are more threads than values, the values get re-used. If you want 30 transactions in total as fast as it possible - set the number of loops to the 30. JMeter cannot send requests faster than your application is capable of responding. The constant timer is one of the most widely used timers in JMeter. JMeter BeanShell Timer is a scripting-based timer. 10 000 requests in one hour is something like 166. For the given scenario in sample scenarios image with duration 1hr , i tried to set the work load model as given below with the request hits 40000 and TPM 667:. The time is calculated from the start of the first sample to the end of the last sample. Constant Throughput Timer is the easiest of built-in test elements, 2 requests per second is 120 requests per minute. The difference between the uniform random timer and other two random timers (Gaussian and Poisson) are: 1. Test Case 1: - 3 requests per minute - 1 request each 20 seconds. Recording scripts is where you will spend most of your time. Set Target Throughput = 40. It's easier to configure as it provides a graph demonstrating. I am developing a JMeter Script according to the below requirement. Plus “Constant Delay Offset”. And one of them has an obvious title – “Constant Throughput”. 1). Precise Throughput Timer. Click Add –> Timer –> Constant Timer. Constant Delay Offset (in milliseconds): The number shows a constant delay which will be added in random number generated by Gaussian Function in the range of given deviation value. Below screenshot is list of all Timers provided by JMeter to control the load. Add Synchronizing Timer to the request and set Number of Simultaneous Users to Group by to X. Here is my script detail:->Simple Login request. With Constant Throughput Timer you can only pause JMeter throughput (number of requests per minute) to the desired rate but it works precisely enough on minute level, if you need second-level. Now let us see in brief about some commonly used timers of Jmeter. If the machine stamps sixty widgets in one minute, it’s throughput is one widget per second. GitHub Repo: has mentioned that constant throughput variable value can be changed using a JavaScript or BeanShell function to provide a changing value. Now if you want to control the rate of transactions per second or the number of samples to execute you can use Constant Throughput Timer. Maybe I'm wrong here, but this should be samples per minute, so 200. The constant timer pauses the test execution for a constant period. Issue: If i run the test, I was expecting the min throughput of 15 requests/sec - upto 16 requests /sec. log. The easiest way of controlling the number of requests per second (throughput) in JMeter test is using Constant Throughput Timer. In planning our load tests, our goal is often to measure whether or not our application (not just the. It will introduce the random relays between requests in such a way that required throu. Apache JMeter is an open source Java based tool that enables you to perform functional, load, performance and regression tests on an application. So overall 20 users - ramped up in 1 seconds. If you want to execute 300 000 queries in 24 hours you need to introduce a rate limiting on JMeter side to execute 208. Both thread groups are sending particular REST requests at a certain throughput using a constant throughput timer. Constant Throughput Timer: Constant Throughput Timer presents random delays between requests in a manner that a load/stress of necessary throughput is sent to the application. Típicamente, para modificar la carga en una prueba se suele variar la cantidad de UVs (Usuarios Virtuales). Throughput of 300 requests per minute gives 300/60 = 5 requests per second Constant Throughput Timer works on minute level so make sure that your tests lasts longer than 1 minute; Each JMeter thread representing virtual user executes nested samplers upside down, when. In case of throughput; the higher the better. Although Constant Throughput Timer accepts value in Requests/min and you are saying that you will use 120/sec, so you will have to provide a value of 7200 in Constant Throughput Timer to achieve 120/sec. 一定のタイマーは、一定の遅延時間の値を追加することで構成できる一定の時間だけ次の要求を. JMeter also provides a timer component, ‘Constant Throughput Timer’, which you can use to set the value of Transactions per. Constant Throughput Timer is used for pausing the threads to slow down overall execution speed to reach the target throughput. This timer tries to maintain a constant throughput throughout the test and achieve the target. 1 Answer. Allocate the target throughput to required number (30 in this case). JSR223 Timer. Other (and the main factor) is your application response time. 1. Gaussian Random Timer A Gaussian Random Timer calculates the thread delay time. Because 100 transactions per hour means one transaction each 36 seconds for 1 user and if you have 30 users the number will be proportionally less. Changing this consistent worth during the test is additionally. The Constant Timer is self-explanatory: it delays each sampler by a constant Thread Delay value. Target throughput (in samples per minute) value lets you manage the frequency for your requests. 1 Answer. A good position would be a direct child of the Thread Group. Given you have Loop Count set to 1 JMeter will shut down. During this Test(while loads are held) , I am sending another set of login requests from the different machine (say for 100 users). 1. Total no of transactions = 40 (100 requests) Duration = 5m i. Introduction. Actually I use a constant throughput timer to keep the frequency constant. Download. I used 80 threads and set a Constant Throughput Timer and Variable throughput timer and i set 10 transactions per second and i when i get Jmeter logs i see max 4 transactions per second . And then execute the test we see that the execution of each sampler is delayed by 2000 milliseconds. In planning our load tests, our goal is often to measure whether or not our application (not just the. e. Constant Throughput Timer can only pause the threads to the desired throughput so if you want to achieve 10 requests per second with 20 users your application must be at most 500ms, if it will be higher - the number of requests per unit of time will be proportionally less. 1 Answer. If your application can only serve 1000 requests per minute - you will have 1000 requests per minute no matter how many threads you have in the Thread Group or how many requests per minute you specify in the Constant Throughput Timer. This is the function of Constant Throughput Timer. Example 1: you have submitted a request and it returns "pending" status. Constant Timer: 5000 ms (as configured) End Time of this sample is = 22:05:01. In case of scenario 2 you'll need Constant Throughput Timer. Using JMeter, the constant throughput timer is particularly useful for this. Open your JMeter script and right click on Thread Group. Below timers are used to implement pacing in Jmeter to achieve the desired load/Business transactions. Constant Throughput Timer can only pause the requests to limit JMeter samplers execution rate to desired value, it won't kick off any extra threads if the current throughput is lower than expected. Throughput Controller - You can set the Max number of executions, OR the Percentage of executions of the sample (i. Other timers may impact constant throughput timer target, so it is recommended not to use other timers. {"payload":{"allShortcutsEnabled":false,"fileTree":{"src/components/src/main/java/org/apache/jmeter/timers":{"items":[{"name":"gui","path":"src/components/src/main. If your script keeps hitting timeouts and includes these elements, remove or disable them unless they are important for your functional test scenario. Just to recall in terms of Apache JMeter the meaning of Throughput is ‘requests per second’ or ‘samples per second’ send to the server by JMeter. In JMeter you can control the connect/response timeouts at the "Advanced" tab of the HTTP Request sampler (or even better HTTP Request Defaults) where you can increase the default timeouts to the desired values:. The Constant Throughput Timer will add random pauses between requests during test execution to match the required throughput figure (samples per minute). The Uniform Random Timer pauses the thread by a factor of: The next pseudorandom uniformly-distributed value in range between 0. “Calculate throughput “ option can be varied based on the current thread, all threads in your test plan. I have a requirement that in ultimate thread group , constant throughput value needs to be changed for every 5 mins using beanshell pre-processor. I think you need to consider switching to Constant Throughput Timer, 100 transactions per hour == 1. Constant Throughput Timer : The Constant Throughput Timer is like the Precise Throughput Timer, except that it has fewer settings. Constant Throughput Timer is only capable of pausing JMeter threads in order to limit the number of requests per second to the given value. Constant Throughput Timer (bộ hẹn giờ thông lượng không đổi) được sử dụng như một yếu tố định hướng mục tiêu giúp đạt được thông lượng mong muốn (tổng số yêu cầu). I would say that these timers are mutually exclusive. 3. Then extract the file and run JMeter: $ tar -xf apache-jmeter-5. HTTP Sampler for GET call is used. Subscribe. How to create JMeter test with parallel execution in one thread group with specific throughput? 0. Basic Timers: Constant Timer → the most basic timer type which adds a simple delay to your test with no other parameters. If it is. Nested classes/interfaces inherited from interface org. apache. You can add this element to your test plan by following “Thread Group -> (right click) -> Add -> Timer -> Constant Throughput Timer” path. Target throughput (in samples per. 2. 8K subscribers. Gaussian Random Timer. I even tried giving 8 users, rampup-1sec, loopcount-infinite and duration-1hour, with constant throughput timer set to 480 req/sec but it ended up giving me total processed samples as 28700; Would be helpful if I could get any other approach where I could exactly process 26. Constant Timer or Gaussian Random Timer or Uniform Random Timer or whatever. Since: 4. Its called JMeter Throughput Constant Timer. JMeter Constant Throughput Timer is used as a goal-oriented element which helps to achieve the desired throughput (Total Number of Requests). JMeter Constant Throughput Timer is used as a goal-oriented element which helps to achieve the desired throughput (Total Number of Requests). Timers provided in JMeter Constant Timer. The main goal of. Select it and you will see 3 fields as below. Thanks @Dmitri. If 0 is given then JMeter will release the same number of users which is defined in the thread group.