Throughput Shaping Timer is a plugin and you need to install the plugin. Constant Throughput Timer. so I used a ultimate thread group and set the threads to 200 and ramp up was 200seconds. e. 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 Constant Throughput Timer. Constant Timer. 1. The easiest way of controlling the number of requests per second (throughput) in JMeter test is using Constant Throughput Timer. Throughput - the Throughput is measured in requests per second/minute/hour. 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. Solution 1: You can use Stepping Thread Group (allows to set thread number increase stages over set periods of time) with Constant Throughput Timer in it. A constant throughput timer in JMeter is used to achieve the actual output by computing the total number of requests. In-depth Analysis: Throughput Controller in JMeter and Splitting Threads to Requests. Constant Timer. Here are the workarounds: Calculate the number of threads you need to achieve your. Constant Timer at Thread Group level. Constant Throughput Timer is used for pausing the threads to slow down overall execution speed to reach the target throughput. This is "closed workload" approach, and it has major drawbacks (see here why). For example: Constant Throughput Timer: Precise Throughput Timer: Why even making use of the Constant Throughput Timer I sometimes get a number of requests higher than the value specify in the Target Throughput (21 in the above image) If a indicate a value of 21 in the Target Throughput , isn't this constant supposed to guarantee a maximum value of 21 requests? Hướng dẫn sử dụng Timer trong JMeter – Add Precise Throughput Timer 2. 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. e. On top of that, it tries to maintain the exact amount of arrivals for a given timeframe ( throughputPeriod ). you have 2 users and 2 seconds response time - the load will be 1 requests per second; you have 4 users and 2 seconds response time - the load will be 2 requests per second; etc. Constant Throughput Timer acts precise enough on minute level so expect your number of requests applied from 2nd minute and onwards. This ultimate thread group will give you more control over Threads. By default each JMeter thread executes samplers as fast as it can. For ex. JMeter provides a variety of Timers and each of them allows introducing delays between requests mainly to simulate real user "think time" 75 requests in 2 minutes is approx 37 requests per minute and if you need to make it 15x times slower you need to execute ~2. First of all try increasing the number of threads. It is not even reaching 14 (well, except once)Irrespective of how much time the previous request took, it will apply the remaining time. control. JMeter Constant Throughput Timer Example. Constant Timer. 0. You are right that Concurrency Thread Group is missing features of Stepping. This can be used to add some delay/think time between each request. It pauses the execution of test for a specified. 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. 6 requests per minute or 2. In both the cases structure of the test will be like the following:Be aware that Constant Throughput Timer is accurate enough on minute level so it can start pausing the threads only after 1 minute. Jmeter: Constant throughput Timer with Ultimate Thread Group. Adding a constant timer on a transaction. 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. Save my name, email, and website in this browser for the next. JMeter offers several options to control the load. java by adding it to the source directory of my project folder. The main goal of. Có rất nhiều timers được cung cấp trong JMeter: Constant Timer, Gaussian Random Timer, Uniform Random Timer, Synchronizing Timer, etc. A Constant Throughput Timer paces the samplers under its influence so that the total number of samples per unit of. Second, it works precise enough on "minute" level. Both thread groups are sending particular REST requests at a certain throughput using a constant throughput timer. JMeter Timers obey JMeter Scoping Rules so it's sufficient to add a single Timer and it will apply the desired throughput to all Samplers it its scope. Debug sampler throughput can go more than 100000/sec. Any JMeter component needs to be placed according to JMeter Scoping Rules. Improve this question. If you want 30 transactions in total as fast as it possible - set the number of loops to the 30. Constant Timer. 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. Constant Throughput Timer added with throughtput = 10 and Calculate Throughput based on = all active threads. I am developing a JMeter Script according to the below requirement. 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. Let's see a brief thought on this: To achieve the target throughput, you need to have enough. according to your application design you can retry this. Add Constant throughput timer to the thread group as shown below. it worked. If you want to execute 300 000 queries in 24 hours you need to introduce a rate limiting on JMeter side to execute 208. Essentially, it sticks with a target throughput very closely, and doesn’t allow for the flexible. 3. 0. If you want to slow down JMeter to the desired number of requests per minute it can be done using Timers. 66 to the "Target Throughput" input (100 requests per hour / 60 minutes in hour)Parallel Controller executes all its children at the same time by kicking off extra virtual threads, it allows JMeter to simulate network footprint for specific use cases like simulating AJAX requests. You can try setting the number of threads to i. 4. Precise Throughput Timer is more "precise" but a little bit harder to use as you need to provide controlled throughput. Ori Marko Ori Marko. In particular the most commonly used elemends are: Synchronizing Timer – to pause threads unless certain number will be reached and fire them all at the same time. So you will get 10 threads up and running only by 19th second. 1 Answer. In the JMeter script, Constant Timer is used to add a constant delay before processing a sampler. If your scenario is to execute 100 requests evenly distributed across one minute you should rather go. JSR223 Timer. 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. . “Calculate throughput “ option can be varied based on the current thread, all threads in your test plan. The Throughput Shaping Timer element is a timer that sets the desired RPS schedule via the JMeter GUI. e. As you see, no other timers except Througput shaping timer. Improve this answer. Unless you're doing spike testing you should be increasing the load gradually as if you release all the users right away you will get much less information and in case of gradual increasing the load you will be able to correlate it with increasing response time and. TestElement. This would allow you to adjust it via Command Line in real time, as the test script is being executed. The following article provides an outline for JMeter Throughput. A s the name suggested, Uniform Random Timer is used to generate the random delay in a uniform manner. JMeter Constant Throughput Timer is used as a goal-oriented element which helps to achieve the desired throughput (Total Number of Requests). I want to use the Throughput Shaping Timer using JMeter API in my java code. 4. jmeter; performance-testing; Share. 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. referenced in the file. The timers work as expected, I would say you're getting more or less equal throughput due to your application being overloaded and responding too slow, i. Hot Network QuestionsThe formula is: Throughput = (number of requests) / (total time). 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. Another option is implementing pacing. Throughput Shaping Timer. You need to decrease your ramp-up time to 100 in order to be able to hit first request with 10 users. 4. Improve this question. Essentially, it sticks with a target throughput very closely, and doesn’t allow for the flexible. Summary Report I have tried 2 ways: Instead of simple controller, i have used throughput controller and used percent Executions. Share. __setProperty() function or even outside JMeter via i. Precise Throughput Timer: siêu phức tạp, mình sẽ tìm hiểu rồi viết sau (hên xui) IV. Timers provided in JMeter Constant Timer. Constant Throughput Timer will limit JMeter to the desired rate which will give you 10 000 requests in hour (assuming your application will be able to handle the requests fast enough) In the majority of cases it's easier to use custom Thread Groups such as Ultimate Thread Group. JMeter now supports. 0. 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. e. The Apache JMeter site actually puts the workings of the ramp-up period best:. Thread Group 3. How to Use “ Constant Throughput Timer ” in JMeter Loadium · Follow 3 min read · Feb 22 Let’s think about an end-to-end scenario for an e-commerce website. either execute this 100 times OR. This video features #Constant #Throughput Timer in #JMeter. 0 (exclusive) Multiplied by “Random Delay Maximum”. Right click Thread Group > Add > Timer > Constant Timer. 1 Answer. jmxaccording to jmeter manual ramp up is: How long JMeter should take to get all the threads started. Pre Processors: allow you to perform operations/actions before. Now check the time difference between the 1st sample and 11th sample, it is 1 minute. 4. So you need to supply the sufficient amount of threads in the Thread Group. It exposes the following component properties that contain information about the duration and current state of the test where elementName will be the name of your timer. You can add this element to your test plan by following “Thread Group -> (right click) -> Add -> Timer -> Constant Throughput Timer” path. 0” your throughput during the test will be 1 request per minute. First of all, Constant Throughput Timer can only pause JMeter threads in order to limit JMeter's throughput to the desired value. Throughput value in the Constant Throughput Timer can be changed to different values by using a variable or property. Before we list these, it is important to state that they are the ones that come shipped with JMeter as standard, other custom timers are available, but these are the default: Constant Timer, Gaussian Random Timer, Uniform Random Timer, Constant Throughput Timer, Precise Throughput Timer, Synchronization Timer, BeanShell. 4. La principal diferencia entre estos dos temporizadores esta en que el CTT inserta un pausa constante mientras que el CTT inserta un pausa aleatoria. One widget at a time is passed through a machine that stamps it with a label. If you change the Constant Timer is zero, you will see the result is changed. I have tried with below jmeter tools. Nested classes/interfaces inherited from interface org. Introduction. Download. Throughput is calculated as requests/unit of time. Select it and you. This timer generates Poisson arrivals with constant throughput. Also be aware that: 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. TestElement. If the request took 1000 mSec, it will apply 4500-1000 = 3500 mSec as the pacing. In this example, a Constant Timer with 15000 milliseconds is used for sleep time. If you want to limit JMeter's throughput to 1100 requests per minute consider using Constant. タイマーがない場合、JMeterは数分の1秒で次のリクエストを送信します。. This class implements a constant throughput timer. This capability is really helpful for debugging tests in real time. JMeter has a group of elements, which are called “Timers”. The Uniform Random Timer pauses the thread by a factor of: The next pseudorandom uniformly-distributed value in range between 0. No other timer or plugin is added in the test plan. Add a Test Action Sampler In the "Duration (milliseconds)" field, set the value as simply $ {mydelay} Right Click Test Action Sampler > Add > Timer > Beanshell timer. Ramp up 1 second for all. Sorted by: 0. 线程组线程数设为10. JMeter timers mainly include Constant Timer, Uniform Random Timer, Precise Throughput Timer, Constant Throughput Timer, Gaussian Random Timer, JSR223 Timer, Poisson Random Timer, Synchronizing Timer, BeanShell Timer. Simply set the wait_time = constant_throughput (0. This timer generates Poisson arrivals with constant throughput. Select it and you will see 3 fields as below. Step 2. A JMeter Timer is a built-in plugin tool for JMeter that can help with spacing out your sample requests. All controllers and samplers must be under a thread group. Total no of transactions = 40 (100 requests) Duration = 5m i. Constant Throughput Timer can only pause the threads to reach specified "Target Throughput" value so make sure you provide enough virtual users (threads) to. Constant Throughput Timer: acts precise enough on "minute" scale, if your test lasts less than minute it might not apply the throughput. I am searching how to increase the number of sent requests per second . It is often the first step to develop test plans for applications. Constant Throughput Timer. In. Open your JMeter script and right click on Thread Group. I ended up using constant_throughput to control the number of requests per second. In case you have only 1 request as in your scenario then it will generate Throughput of 20 request/sec (sometimes 20. 1. If you want to send specific amount of requests during this hour consider using Constant Throughput Timer, but be aware of the following:. I have a requirement that in ultimate thread group , constant throughput value needs to be changed for every 5 mins using beanshell pre-processor. is correct, but if you leave it as is JMeter will execute requests as fast as it can. 1. Constant Throughput Timer. thread group (thread = 1000, ramp up = 100 sec, loop count = 1) loop controller( above 3 request with loop count = 12) constant throughput timer = 5. 6. 4. We will also briefly look into the usage of JMeter’s Throughput Constant Timer. Actually I use a constant throughput timer to keep the frequency constant. Throughput Controller. So the scenario is the next: Attempt to log in with invalid params in a loop. Throughout the Hold Load time(180sec) the requests will be looped. Testing without a JMeter timer can create irregular test results because the simulated requests will come in a different pattern than. 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. Below timers are used to implement pacing in Jmeter to achieve the desired load/Business transactions. I have used "jp@gc - Throughput Shaping Timer" But unable to achieve expected TPS. Say a request returns on average within 1 second and you have no think times in your test then to simulate 300 requests per minute you only need 5 threads. $ {__Random (1000,5000,)} –> sẽ trả về giá trị. If you want to have more customization over how your pacing timer works, you can do so by using Groovy. Thanks @Dmitri. (1)Number of Simulated Users to Group by:模拟用户的数量,即指定同时释放的线程数数量,若设置为0,等于设置. 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. JMeter cannot send requests faster than your application is capable of responding. can only pause the threads to limit the throughput (requests per minute) to the desired value. This is "closed workload" approach, and it has major drawbacks (see here why). If you set its value as “1. although the Timer is called the Constant Throughput timer, the throughput value does not need to be constant. org. You can see that Start time difference between 1st request and 41st request is 1 minute. Using a uniform random timer allows you to pause the test execution for a random time, where you can. jmeter; Share. 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. Placing the HTTP sampler under different threads is to send the API requests in parallel, because JMeter by default will run threads simultaneously when “Run Thread Groups consecutively” under the test plan is unchecked. It in a way reflects the capacity of the server. If 0 is given then JMeter will release the same number of users which is defined in the thread group. thread group Loop controller Constant throughput timer JSR223sampler1 (sleep time 3000ms) JSR223sampler2 (sleep time 3000ms) JSR223sampler3 (sleep time. Constant Throughput Timer; JSR223 Timer #20. Very silly mistake with a conclusion: Check your throughput value, test for longer periods. Right click on "Test Plan" node. . JMeter provides lots of ways to record the value of throughput. Constant Timer with a Thread Delay of 5 milliseconds. Tell JMeter to parse the HTML file and send HTTP/HTTPS requests for all images, Java applets, JavaScript files, CSSs, etc. thread numbers, target throughput and what kind of information needs. If the machine stamps sixty widgets in one minute, it’s throughput is one widget per second. คอร์สนี้จะพาทุกคนไปรู้จักกับ JMETER (Tool ที่ดีที่สุดสำหรับการทำ Performance Testing) ตั้งแต่เริ่มลงโปรแกรม ไปจนถึงการใช้งานชั้นสูง. Bạn sẽ nhập 1 giá trị ngẫu nhiên vào Constant Timer thay vì giá trị cụ thể. In JMeter, the ramp-up period defines the time period within which all the specified users get in running state. The purpose of the ‘Timer’ element is to pause a JMeter Thread for a certain amount of time. Constant Throughput Timer – introduces variable pauses, calculated to keep the total throughput as close as possible to a given figure. The time unit is chosen so that the displayed rate is at least 1. Constant Timer adds a delay after the request completes (not after start), which doesn't fit either. Follow edited Mar 4, 2021 at 7:35. 4 Constant Throughput Timer This timer introduces variable pauses, calculated to keep the total throughput (in terms of samples per minute) as close as possible to a give figure. 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. 8K subscribers. Constant Throughput Timer The constant throughput timer is a special type of timer used to create pauses. If you want JMeter to run 5 concurrent samplers each minute you need to go for different setup, to wit: Your Sampler. Constant Throughput Timer. When you need to add a delay based on an edge condition which is not covered by other timers 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. Gaussian Random Timer. Follow answered Nov 2, 2022 at 4:51. Based on RPS you want you can either set the value low for less number of requests and more for more RPS. This will add Constant Timer at Thread Group level. org. I ended up using constant_throughput to control the number of requests per second. Gaussian Random Timer. e. You can consider switching to Concurrency Thread Group and Throughput Shaping Timer. I would suggest going for Constant Throughput Timer. 2. If you want to send 1 request each 20 seconds - the same approach as for point 2 but Target Throughput will. 0. Assuming there is only one request (sampler) in your Thread group and you are using the setting "All Active Threads" in Constant Throughput Timer. On top of that, it tries to maintain the exact amount of arrivals for a given timeframe ( throughputPeriod ). 4. 1. For further detail check JMeter blog about Constant Throughput Timer. How to generate number of requests per second for one user. Updated February 14, 2023. 0. Both the scenarios you have mentioned may require thinking for a moment that there's something fishy if they both use a different unit of time. Follow. For example, if the number of threads is set to 10 and the ramp-up time is set to 100 seconds, JMeter will use 100 seconds to start and run 10 threads, and each thread will start 10 seconds after the previous thread was started. is correct, but if you leave it as is JMeter will execute requests as fast as it can. This timer adds a delay between each request. Each having its own constant throughput timer . 7 requests per second. Jmeter variable value update based on time. Throughput value in the Constant Throughput Timer can be changed to different values by using a variable. How many threads you use depends. A user logs in, goes to the main page, searches for a product, sees. The total number of requests JMeter will be able to make will mostly depend on application response time. Below you will find a categorized list of the most common timer elements included with JMeter. If it is added under a sampler then the parent sampler will wait for the defined time. Results Action Set Handler 4. Given here are some JMeter listeners that you can use for this purpose: Summary Report Aggregate Report Aggregate Graph Graph Results. 1. Right click on Thread Group > Add > Timer > Constant Throughput Timer. In the JMeter script, Constant Timer is used to add a constant delay before processing a sampler. Uniform Random Timer. Add 1. 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. Dmitri T. So your approach with different Thread Groups is valid. Tổng kếtConstant Throughput Timer is the easiest of built-in test elements, 2 requests per second is 120 requests per minute. See Also: Serialized Form. ramp up to 6000 samples per min and so on up to. 1000 and slowing the requests down using Constant Throughput TimerI've set up a jmeter distributed testing setup with one master and multiple slaves. That means 40 samples has been executed in 1 minute. Follow asked Oct 26, 2019 at 10:10. 1. thread group (thread = 1000, ramp up = 100 sec, loop count = 1) loop controller( above 3 request with loop count = 12) constant timer = 300000 millisecond. Because JMeter sometimes displays throughput in per minute and sometimes in per second, whereas the hits per second is always per second. Add two entries to the "User Defined Variables. I just want to fix requests fired per second. It is not necessary to have a separate HTTP header manager with each request unless request needs a unique header. Timer in JMeter is easy but crucial part of JMeter where we have to manage the thread user count and time to apply the load to the application. GitHub Repo: has mentioned that constant throughput variable value can be changed using a JavaScript or BeanShell function to provide a changing value. 1. The problem: lets say the first request needs a throughput of 60RPM and the second 30 RPM. 2. Total Http Requests - 24, Total Http Request/min - 12, Test Duration 2min, Waiting time between requests per minute : 60min/12req = 5sec . Gaussian Random Timer. Make sure that all the Samplers are in the Constant. I would say that these timers are mutually exclusive. Jmeter measures throughput by observing the. The Constant Timer is self-explanatory: it delays each sampler by a constant Thread Delay value. 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. See How to use JMeter's Throughput Constant Timer for details. Throughput depends on response time for fixed set of users (threads). Concurrent users are a different way of looking at application traffic. First of all, Constant Throughput Timer can only pause JMeter threads in order to limit JMeter's throughput to the desired value. e. The tail of this log (most recent 200 rows) can be viewed live while the test is running. java:131. 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. The threads in my thread group. I think the documentation was before Ultimate Thread Group was introduced. Constant Throughput Timer is only capable of pausing JMeter threads in order to slow them down to reach the target throughput. Timer’s Present in JMeter. 8,610 13 13 gold badges 104 104 silver badges 233 233 bronze badges. Do not select "This thread only" value for Timer added at root, as it will change the result. Trong bài này , ta chỉ tập trung vào Constant Timer thôi vì theo mình nó là đơn giản nhất. 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. Constant Throughput Timer is only capable of pausing JMeter threads in order to limit the number of requests per second to the given value. So the real throughput depends on 2. Uniform Random Timer The uniform random timer causes each thread to wait for a random time. Also Constant Throughput Timer is only capable of slowing down JMeter to limit its. Assuming there is only one request (sampler) in your Thread group and you are using the setting "All Active Threads" in. The constant timer is one of the most widely used timers in JMeter. Throughput Shaping Timer Properties. What is throughput time in JMeter? Throughput is calculated as requests/unit of time. There are 3 options to configure weighted load and highlight options provided by JMeter. 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. So it's your job to provide sufficient number of threads in the Thread Group. As a result, it provides a different terminology to understand the application’s. How to Use “ Constant Throughput Timer ” in JMeter. apache. If you want the throughput applied from the very beginning of your test you have the following options: Use longer ramp-up period in Thread Group. So overall 20 users - ramped up in 1 seconds. 866 + 172 + 5000 = 22:05:07. However, a couple of advantages are the request bursts are more consistent in nature, and the samples lie very close to the median value, as can. Precise Throughput Timer → this timer will vary its delay interval to keep requests at or below a certain threshold. Precise Throughput Timer is more "precise" but a little bit harder to use as you need to provide controlled throughput. apache. La principal diferencia entre estos dos temporizadores esta en que el CTT inserta un pausa constante mientras que el CTT. JMeter – Constant Timer. If 20 users process 2400 records per hour and each record assumes 3 web page calls, it means that 7200 requests will be made in one hour which in its turn stands for 120 requests per minute (this is what you should enter into the timer's "throughput" area) or 2 requests per second. e. This is the function of Constant Throughput Timer. HTTP Sampler for GET call is used. The Uniform Random Timer pauses the thread by a factor of: The next pseudorandom uniformly-distributed value in range between 0. So the options are in: Increase the number of threads in the Thread Group to i. Despite word "constant" in its name, you can use i. A constant throughput timer in JMeter is used to achieve the actual output by computing the total number of requests. Concurrency can be controlled via Constant Throughput Timer or Throughput Shaping Timer and monitored via Server Hits Per. Alternative options are: JMeter also provides a useful timer component to configure or set a constant throughput value to test the application load. For each thread, the variable will be assigned one of the values from the series in sequence. Share. 3. This time you will be able to correlate increasing load with other metrics like response time, throughput, number of errors, etc. Constant Throughput Timer is precise enough on minute level so you might need to adjust your ramp-up period or consider using Precise Throughput Timer instead Constant Throughput Timer can only pause the threads to limit JMeter's requests execution rate to the given value so make sure to supply sufficient amount in the Thread. July 1, 2023 by PerfMatrix. The time is calculated from the start of the first sample to the end of the last sample. And to manage throughput per minute you could use "Constant Throughput Timer". Follow asked Nov 1, 2022 at 13:41. Despite its name Constant Throughput Timer doesn't need to be "constant", you can define the desired throughput via JMeter Property using __P() function like ${__P(throughput,)} and amend the property value using i. Throughput shaping timer or CTT to control the expected throughput. Before understanding the semantics of throughput, let’s look at the concept. BSF Timer. Share. In some cases, the Timer is used to implement the Pacing. The timer will be applied before the sampler is executed. Target throughput (in minutes): 3000. Constant Throughput Timer: Target - 60,000/min (60 secs) - all active threads, Threads (Users) - 200 with Ramp up - 1 sec, Duration: 1 hour. In JMeter, the ‘Timer’ element simulates the real user behaviour of taking a pause on a webpage. e 300s. jmeter. Throughput Controller - You can set the Max number of executions, OR the Percentage of executions of the sample (i. And if you changed load generator machine or server. Tool ที่เราใช้ในการทำ performance test ก็คือ JMeter ซึ่งเป็น tool opensource ที่เขียนด้วย Java สำหรับการทำ load test การจำลอง request จากหลาย user ที่เข้ามาพร้อมกันทำ. Uniform Random Timer 0. To apply a timer to a single sampler, add the timer as a child element of the sampler. As per documentation: Set Target Throughput = 40. JSR223 Timer.