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. BSF Timer. Poisson. To add a timer element, we need to right-click on the Thread Group element and select Add, Timer, Constant Timer. Throughput value in the Constant Throughput Timer can be changed to different values by using a variable or property. 3. Like this: Throughput Controller config: Based on is Percent Execution and Throughput is 20. I am trying to configure a test for signup-login with invalid credentials imitating bruttforce attack. JMeter: Holding Session for a certain. Throughput Shaping Timer Properties. JSR223 Timer. I want to run this test for five or ten minutes. It may decrease if other timers deny the constant. For further detail check JMeter blog about Constant Throughput Timer. If the request took 1000 mSec, it will apply 4500-1000 = 3500 mSec as the pacing. It is not even reaching 14 (well, except once)Irrespective of how much time the previous request took, it will apply the remaining time. The Constant Timer can be used to pause each thread for the same “think time” between requests. Throughput timer is in root of test plan, Where as other timers are only applicable within scope of controllers. 1000 and slowing the requests down using Constant Throughput TimerI've set up a jmeter distributed testing setup with one master and multiple slaves. If you want to send specific amount of requests during this hour consider using Constant Throughput Timer, but be aware of the following:. Constant Throughput Timer can only pause the threads in order to limit JMeter to the defined number of requests per minute. g. This video features #Constant #Throughput Timer in #JMeter. Ramp-up is the time for JMeter to kick off the virtual users from point 1. This will add Constant Timer at Thread Group level. 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. 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. 6 requests per minute or 2. This can be used to add some delay/think time between each request. So basically throughput is the number of requests which JMeter was able to within test duration time frame. My purpose is to to use Throughput Shaping Timer via JMeter API in my code programmatically. The application. Download. To achieve this I have configured a Constant Throughput Timer to 12000 requests per minute (active for. Gaussian Random Timer. The time is calculated from the start of the first sample to the end of the last sample. 1) with Constant Throughput Timer value as 1200/min with "All active threads" and Timer added at the root of script. I ended up using a Test Action with 30s pause. Throughout the Hold Load time(180sec) the requests will be looped. For example, if I set Constant Throughput timer throughput to be 60 per minute,. I ended up using constant_throughput to control the number of requests per second. Típicamente, para modificar la carga en una prueba se suele variar la cantidad de UVs (Usuarios Virtuales). Pre Processors: allow you to perform operations/actions before. Precise Throughput Timer: siêu phức tạp, mình sẽ tìm hiểu rồi viết sau (hên xui) IV. Constant Throughput Timer pauses active threads to reach throughput level you define. Second I would recommend checking whether your system under test has enough headroom in terms of resources (CPU, RAM, Network, Disk, etc. You can try setting the number of threads to i. Because JMeter sometimes displays throughput in per minute and sometimes in per second, whereas the hits per second is always per second. Uniform Random Timer 0. The Uniform Random Timer. I want to measure the response time of this 100 users login which I've. To elaborate - if a Constant Throughput Timer is set to 1 sample, and 1 thread is created, then the Transaction Controller is still not considered a singular sample as far as CTT is. Click on Constant Throughput Timer; This timer has the following fields,. It's easier to configure as it provides a graph demonstrating. I have single thread group with 40 users. You can specify the pause in ‘Thread Delay’ field. If we were to add a Constant Timer to the test and set the delay to be 2000 milliseconds. __setProperty() function or even outside JMeter via i. Constant Throughput Timer. Constant Timer: To delay every user request for the same amount of time use Constant Timer. 1. In planning our load tests, our goal is often to measure whether or not our application (not just the. Maybe I'm wrong here, but this should be samples per minute, so 200. Uniform Random Timer The uniform random timer causes each thread to wait for a random time. Total Http Requests - 24, Total Http Request/min - 12, Test Duration 2min, Waiting. All of the "Timer" group of elements affect the script. I am developing a JMeter Script according to the below requirement. 0. 1. This component introduces pauses to the test plan in such a way as to keep the throughput as close as possible to the target value specified. log: Much of the content of the jmeter. 3. Issue: If i run the test, I was expecting the min throughput of 15 requests/sec - upto 16 requests /sec. A constant throughput timer in JMeter is used to achieve the actual output by computing the total number of requests. ramp up to 6000 samples per min and so on up to. How to add a Timer-Right Click on Thread Group -> Hover over Add -> Hover Over Timer -> Click on the required Timer. Follow answered Nov 2, 2022 at 4:51. I have implemented a different solution, inspired by Jmeter's constant throughput timer. Here, we’ve added a Constant Timer with a Thread Delay of three seconds to our thread group. Essentially, it sticks with a target throughput very closely, and doesn’t allow for the flexible. . Timer’s Present in JMeter. All you need to do is to slow it down a little bit, one of the options is adding a Constant Throughput Timer. The thread delay is a constant in milliseconds: Uniform Random Timer: One step above the basic. e. ramp up to 6000 samples per min and so on up to 20000. Sample Time of Sample 2 is 172 ms. 4. Share. Let's see a brief thought on this: To achieve the target throughput, you need to have. Constant Throughput Timer with a target throughput of 12000. 1 Answer. 7 requests per second. It can be defined in terms of a variable or function call, and the value can be changed during a test. In JMeter, the ramp-up period defines the time period within which all the specified users get in running state. JMeter Constant Throughput Timer Example. Precise Throughput Timer is more "precise" but a little bit harder to use as you need to provide controlled throughput. Initial delay=0 Startup Time=250 Hold Load= 400 seconds Shutdown time= 250. Mình tin là bạn cũng muốn có case này trong kiểm thử của mình. So it's your job to provide sufficient number of threads in the Thread Group. The following article provides an outline for JMeter Throughput. A good position would be a direct child of the Thread Group. By the way, there is an extended version of the CTT. So your approach with different Thread Groups is valid. See How to use JMeter's Constant Throughput Timer article for more details. Para poder realizar esto utilizando solamente JMeter, se encontró que el único elemento que permite modificar el throughput en tiempo de ejecución es el Constant Throughput Timer. In case of scenario 2 you'll need Constant Throughput Timer. Component Properties - Properties that contain information about the duration and current state of the test. Updated February 14, 2023. Constant Timer. Another option is implementing pacing. First of all, Constant Throughput Timer can only pause JMeter threads in order to limit JMeter's throughput to the desired value. 20 requests per second. Note. This timer tries to maintain a constant throughput throughout the test and achieve the target. I have tried with below jmeter tools. Constant Timer. 0 requests/minute is saved as 0. It will also give you the saturation point and the bottleneck in case. I have already referenced the class file called VariableThroughputTimer. You cannot, JMeter waits for previous Sampler response prior to executing next Sampler so if you put all the Samplers under one Thread Group all the requests will be executed at the speed of the slowest request. 0” your. However, I want to make requests as a single user. I want to change the expected request. 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. Test Case 2: - 6 requests per minute - 1 request each 10 seconds. Constant Throughput Timer. 目标吞吐量（target throughput)单位是每分钟发送的请求数. Synchronizing Timer: mình đã nói ở bài viết Nhiều user thực hiện một hành động đồng thời trên jmeter; Constant Throughput Timer: có vẻ giống với Synchronizing Timer, mình chưa dùng bao giờ. HTTP Sampler for GET call is used. 4. Target Throughput behavior of Constant Throughput Timer in JMeter. 2. Constant Throughput Timer can only pause threads in order to limit JMeter's throughput to the defined value. 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. ; Here I will quote only the introduction of these three techniques, for complete detail please go through the. Concurrency can be controlled via Constant Throughput Timer or Throughput Shaping Timer and monitored via Server Hits Per. 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. Sorted by: 0. First of all, Constant Throughput Timer can only pause JMeter threads in order to limit JMeter's throughput to the desired value. So the real throughput depends on 2. Precise Throughput Timer. And one of them has an obvious title – “Constant Throughput”. If you want to slow. Apache JMeter is an open source Java based tool that enables you to perform functional, load, performance and regression tests on an application. Introduction to JMeter Throughput. JMeter Constant Throughput Timer is used as a goal-oriented element which helps to achieve the desired throughput. HTTP Cache Manager must be included in your test plan if you have enabled your HTTP sampler to “Retrieve All Embedded Resources”. This implies per minute 10 requests will be executed. This class implements a constant throughput timer. So you creating the excessive number of threads and then the timer will. 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. 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. Click Add –> Timer –> Constant Timer. If you need to produce the load exactly 50 requests per minute - I would suggest going for Constant Throughput Timer which can pause the JMeter Threads in order to reach the target throughput. You could make the target throughput a variable too. Other elements, e. Share. Target throughput (in samples per minute) value lets you manage the frequency for your requests. Adding extra node will add extra 200 TMP. JMeter Constant Throughput Timer. If our server is not able. Using JMeter, the constant throughput timer is particularly useful for this. Gaussian Random Timer A Gaussian Random Timer calculates the thread delay time. This component introduces pauses to the test plan in such a way as to keep the throughput as close as possible to the target value specified. Constant Throughput Timer is available out of the box with JMeter. 2. Also Constant Throughput Timer is only capable of slowing down JMeter to limit its. Jmeter Throughput Shaping Timer sending more requests then desired. If it is. (2) Throughput Controllers to distribute the load in Percent [20% and 80% of total 24. 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. Add Flow Control Action sampler after the last requestJMeter provides HTTP header manager element to attach that additional information along with the request. 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. If for some reason you need to proceed with JMeter take a look at Constant Throughput Timer which can limit requests execution rate to the desired value. Let’s see how we can use constant throughput in JMeter as follows: With the help of constant throughput, we can keep constant time. 6 requests per minute, in this case they will be evenly distributed. 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 -. Simple Controller i. Test execution result will looks like below for constant throughput timer jmeter example. Add Synchronizing Timer to the request and set Number of Simultaneous Users to Group by to X. 6 requests per minute or 2. JMeter acts as follows: It starts all threads within specified ramp-up period. I also had constant. Example 1: you have submitted a request and it returns "pending" status. 866 + 172 + 5000 = 22:05:07. La principal diferencia entre estos dos temporizadores esta en que el CTT inserta un pausa constante mientras que el CTT. Click Add –> Timer –> Constant Timer. 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. Jmeter measures throughput by observing the. Assuming there is only one request (sampler) in your Thread group and you are using the setting "All Active Threads" in. Now let us see in brief about some commonly used timers of Jmeter. 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. 1. JMeter has a group of elements, which are called “Timers”. The ability of the server in terms of how much load it can take. Constant Throughput Timer. 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. To apply a timer after a sampler, either add it to the next sampler, or add it as the child of a Test Action Sampler. Here are the workarounds: Calculate the number of threads you need to achieve your. Test execution result will looks like below for constant throughput timer jmeter example. JSR223 Timer. Constant Throughput Timer: Target - 60,000/min (60 secs) - all active threads, Threads (Users) - 200 with Ramp up - 1 sec, Duration: 1 hour. 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. Hướng dẫn sử dụng Timer trong JMeter – Add Precise Throughput Timer 2. "Throughput depends on response time. 0. รวมถึง. As a result, it provides a different terminology to understand the application’s. 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. i can see response times over 40 seconds. 8K subscribers. JMeter Timer Overview The purpose of all “Timer” test elements is pausing a JMeter Thread representing a virtual user for a certain amount of time. If the request took 1000 mSec, it will apply 4500-1000 = 3500 mSec as the pacing. Throughput, essentially, is the. And if you changed load generator machine or server. This can be done by using Apache JMeter™´s Constant Throughput Timer and the Beanshell server. " --- this is not entirely true. 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. First of all ensure that you're following JMeter Best Practices as it might be the case JMeter configuration is not suitable for kicking off that many threads. My load would be held for 3 minutes. 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. Changing this consistent worth during the test is additionally. Relation between Constant throughput timer, transactions per sec and throughput in summary report 0 How to get number of throughputs per second as 500 in jmeter54. As per JMeter Glossary: Throughput is calculated as requests/unit of time. A JMeter Timer is a built-in plugin tool for JMeter that can help with spacing out your sample requests. Built-in Constant Throughput Timer; Throughput Shaping Timer from jmeter-plugins. jmeter_loc – the full path to the root jmeter folder. control. Uniform Random Timer. BSF Timer. Constant Throughput Timer is only capable of pausing JMeter threads in order to slow them down to reach the target throughput. For each thread, the variable will be assigned one of the values from the series in sequence. The full jmeter. Timers provided in JMeter Constant Timer. I want to use the Throughput Shaping Timer using JMeter API in my java code. e. Actually I use a constant throughput timer to keep the frequency constant. Thread Group 3. 2. If there are 10 threads and a ramp-up time of 100 seconds, then each thread will begin 10 seconds after the previous thread started, for a total time of 100 seconds to get the test fully up to speed. Constant Throughput Timer is only capable of pausing JMeter threads in order to limit the number of requests per second to the given value. either execute this 100 times OR. Results: The JMeter Timers available are as follows: BeanShell Timer. 7. Now check the time difference between the 1st sample and 11th sample, it is 1 minute. 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. “Calculate throughput “ option can be varied based on the current thread, all threads in your test plan. Por ejemplo, cuando necesitamos mantener el servidor bajo cierta presión durante mucho tiempo, podemos controlar el rendimiento a través de este temporizador. . 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. 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. Constant Timer. Add Constant Throughput Timer to your Test plan and configure it to send 30000 requests per minute (500 requests per second). log is actually included in the bzt. 下面举例来看看如何做到以固定 吞吐量 发送请求，创建一个 JMeter 脚本，加入了若干. You can use Constant Throughput Timer or Throughput Shaping Timer in order to limit JMeter's throughput to the given numbers and see whether it will be able to complete 10k requests in 1 hour or not. 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. Before understanding the semantics of throughput, let’s look at the concept. Different Thread Groups having different number of threads; Throughput Controller; Switch Controller or Weighted Switch Controller plugins. Constant Throughput Timer is only capable of pausing JMeter threads in order to slow them down to reach the target throughput. 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. The name that we have given is displayed on the tree and here. 10 000 requests in one hour is something like 166. Remember - if the application itself is not supporting the desired throughput, jmeter can not help here. basically, drop the synchronising timer, use a constant throughput timer instead, configure wait times and then calculate the. 0. The value can be changed in various ways: You could set the throughput using a property or variable. Make sure that all the Samplers are in the Constant. Constant Timer at Thread Group level. Given you have 200 threads and 300 seconds ramp-up time it means that JMeter will start 200 threads in 300 seconds. Also, JMeter tries to set the throughput per minute, so tests should be longer then 1 or 2 minutes with that timer. 4. Concurrency Thread Group doesn’t provide the ability to define initial delay, step transition and ramp-down - which the Stepping Thread Group does. Add two entries to the "User Defined Variables. Throughput Shaping Timer per se can only pause JMeter threads to limit execution rate to the given number of requests per second. JMeter Properties are global, can be accessed from different thread groups and persist all the time while JMeter is running. 1 Answer. 2. JRS223 Timer. Constant Throughput Timer. That means 40 samples has been executed in 1 minute. For instance 200k requests per hour is more or less 55 requests per second, if your application response time is 1 second - you will need 55. In case you have only 1 request as in your scenario then it will generate Throughput of 20 request/sec (sometimes 20. Share. Timers provided in JMeter Constant Timer. 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. 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。. 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). Add Constant throughput timer to the thread group as shown below. Poisson. Configure the thread group with 10 threads and run for duration of 5 minutes (300 seconds)We will also briefly look into the usage of JMeter’s Throughput Constant Timer. Keep the think time to create a more realistic behaviour ( optional )It might be the case Constant Throughput Timer is not "precise" enough, given you need to limit JMeter's throughput to 15 requests/minute assuming 20 threads it's better to consider Throughput Shaping Timer which has lower granularity therefore it's being applied immediately and gives exact throughput figures comparing to the. I have been trying to use JMeter to test my server. Right click on "Test Plan" node. Constant Timer adds a delay after the request completes (not after start), which doesn't fit either. If your goal is to mimic real users behavior as close as possible -. Before understanding the semantics of throughput, let’s look at the concept. The constant timer is one of the most widely used timers in JMeter. Lets. You can see that Start time difference between 1st request and 41st request is 1 minute. User variables can be referenced in any field of any JMeter Component. Constant Timer adds "think time" between requests, if you add the timer at the same level as all requests (see JMeter Scoping Rules for more details) - it means that JMeter will "sleep" for 2 seconds before each Sampler in the Timer's scope. 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. I can think of 2 reasons: Given 8 Thread Groups with 5 virtual users you're accessing your application with 40 concurrent users and it might be the case the application gets overloaded hence response time increases as concurrency increases. In my test plan I'm using a ThreadGroup with 5 threads, a HTTPRequest Sampler and a Constant Throughput timer with target set as - ${__P(throughput, 100)} for all active threads in current threadgroup. The total number of threads in the Ultimate Thread Group will be 250. This includes any intervals between samples, as it is supposed to represent the load on the server. I have a requirement that in ultimate thread group , constant throughput value needs to be changed for every 5 mins using beanshell pre-processor. it worked. The purpose of the ‘Timer’ element is to pause a JMeter Thread for a certain amount of time. tgz (or whatever version you downloaded) Change into the unzipped directory: $ cd apache-jmeter-5. In JMeter, there are 9 different Timer types. Constant Throughput Timer : The Constant Throughput Timer is like the Precise Throughput Timer, except that it has fewer settings. I have used "jp@gc - Throughput Shaping Timer" But unable to achieve expected TPS. A constant throughput timer in JMeter is used to achieve the actual output by computing the total number of requests. 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. JMeter also provides a timer component, ‘Constant Throughput Timer’, which you can use to set the value of Transactions per. Constant Throughput Timer: Java 8 incompatibility #3368. Constant Timer. In planning our load tests, our goal is often to measure whether or not our application (not just the. 0. 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. I'm thinking that in my overall Test Plan, I will add all the a). 2. So first of all try increasing the number of threads; Make sure to follow JMeter Best. One widget at a time is passed through a machine that stamps it with a label. Name: To provide the name of the timer; Comments: To provide arbitrary comments (if any); Number of Simulated Users to Group by: This attribute is used to define the number of threads to release at a time. JMeter provides lots of ways to record the value of throughput. JSR223 Timer. 4. Or, in other words, how long it will take for JMeter to start execution of all the threads. Results Action Set Handler 4. The Constant Throughput Timer. The Uniform Random Timer pauses the thread by a factor of: The next pseudorandom uniformly-distributed value in range between 0. If you need to use the same common steps in several Thread Groups. – EBDS. Given you have Loop Count set to 1 JMeter will shut down. You can use Constant Throughput Timer or Throughput Shaping Timer in order to limit JMeter's throughput to the given numbers and see whether it will be able to complete 10k requests in 1 hour or not. {"payload":{"allShortcutsEnabled":false,"fileTree":{"src/components/src/main/java/org/apache/jmeter/timers":{"items":[{"name":"gui","path":"src/components/src/main. thread group (thread = 1000, ramp up = 100 sec, loop count = 1) loop controller( above 3 request with loop count = 12) constant timer = 300000 millisecond. You can go for Constant Throughput Timer, despite the word "constant" in its name it doesn't have to be constant, you can use __P() function for specifying the desired throughput and amend it from Beanshell Server,. The constant timer pauses the test execution for a constant period. JMeter™ User Save time for the Thread Groups creation. 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. If your application response time will be 2 seconds - you will get 200 RPS, 4 seconds - 100 RPS, etc. View Results Tree 5. 2. The timer tries to produce a constant. As per documentation>. If you need to test your system at 3500 requests per second you need to use slightly different approach, to wit add Constant Throughput Timer to your Test Plan and configure it to limit JMeter requests rate. Below screenshot is list of all Timers provided by JMeter to control the load. testelement. I ran it for 10 mins. The purpose of the ‘Timer’ element is to pause a JMeter Thread for a certain amount of time. Introduction. July 1, 2023 by PerfMatrix. 2. 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. Right click on Thread Group > Add > Timer > Constant Throughput Timer. JMeter. And if you changed load generator machine or server. If your workload patterns are more complex consider using Throughput Shaping Timer在 JMeter中定时器 用来设置延时和同步，以调节请求的发送速率，那么如何产生固定 吞吐量 的压力哪？. If you're not able to reach the target throughput the reasons could be in: There are not enough threads in the Thread Group to conduct the desired throughput. Debug sampler throughput can go more than 100000/sec. Constant Throughput Timer will let you control the flow of. 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. 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. Follow asked Oct 26, 2019 at 10:10. Let’s think about an end-to-end scenario for an e-commerce website. Sorted by: 2. JMeter is not capable of immediately stopping 1000 threads when the Throughput Shaping Timer reaches its duration limit, JMeter "tells" threads to stop one 1200 seconds pass and it might take a while to gracefully shut the threads down. Hot Network Questions Is there any way retirement systems can cope with declining population? Which verb fits in 庭に木をもう一本_？. It pauses the execution of test for a specified constant amount of time. I just want to fix requests fired per second. Nested classes/interfaces inherited from interface org. While running test simulations, it is sometimes necessary to be able to specify the throughput in terms of the number of requests per minute. 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. Debug sampler throughput can go more than 100000/sec. Constant Throughput Timer: This timer define the number of sampled need to be executed per.