0开始，当使用默认的HC4实现时，JMeter将在每个线程组迭代时重置HTTP状态（SSL状态+连接）。如果您不想要此行为，请设置= false. 2 Basic Instructions. Sorted by: 1. You can pass the token from that Thread Group to "main" thread group via __setProperty () function or using Inter-Thread Communication Plugin. 1" 2020-04-14 Note: There might be more issues for flow control action when Break current loop is used, so if you have time please investigate. Create a test plan. 6700 Reader (s) JMeter is a versatile and powerful open-source tool for performance testing, load testing, and stress testing of web applications. setIgnore() See Top 8 JMeter Java Classes You Should Be Using with. Phần 2: Hướng dẫn xây dựng kịch bản test. A while loop is a control flow statement that allows code to be executed repeatedly based on a given Boolean condition. I can think of 2 possible reasons which might cause premature ending of your test: CSV Data Set Config is configured to stop thread on EOF, make sure it's set up like at the image below: Flow Control Action sampler is configured to stop either thread or test in this case the delay will be introduced before first request, see A Comprehensive Guide to Using JMeter Timers article for more information. To add a new Flow Control Action under a Thread Group/Controller: CTRL + 6: To add a new JSR223 PostProcessor under a Test Plan/Thread Group/Controller/Sampler:. Add Debug Sampler to Thread Group. Constant Throughput Timer：固定吞吐量定时器 Gaussian Random Timer：高斯随机定时器 Constant Timer：固定定时器 Synchronizing Timer：同步定时器. it allows pauses to be included without needing to generate a sample. Use the indentation to check that your flow control action is correctly setup. – A test step is an atomic action, like sending a GET or POST request to a web application or to a REST interface. To start the server (s), run jmeter-server [. . ログイン. edited Jun 20, 2020 at 9:12. For example, you want some group of requests to execute more times as compared to the others, use the controller to solve this purpose. are the steps which need to be performed to do Performance Testing of OAuth 2. My goal is to make the first 3 requests in a time X sec (about 10),. 0 and 60K+ other titles, with a free 10-day trial of O'Reilly. Subscribe to Our Channel : you want to know how to use flow control action in jmeter or searching for a jmeter flow control action ex. If it doesn't - try increasing JMeter logging verbosity for the JDBC Test Elements by adding the next line to log4j2. How should I decide whether to have three different thread groups to run these 3 APIs or a single thread group should suffice ? - I would go for a single Thread Group as it assumes actions of a single virtual user (or a group of virtual users) . The Response Assertion element which appears under request “ A ” controls the. I used Flow control action option start next thread loop after the condition 3. e. Add Thread Group and specify the required number of threads and iterations. Skilled in Front-end, Back-End Manual as well as Automated Quality Assurance, Databases, Management, Scrum, Configuration Management, and Linux. Within each Thread Group, we may place a combination of one or more of other elements − Sampler, Logic Controller, Configuration Element, Listener, and Timer. 8, you will be able to delay thread creation until the time the thread must start working. Follow answered May 21, 2021 at 8:25. URL. Since JMeter 3. Follow. You will have to use If Controller and Flow Control Action after your assertion. See also how to read data from a CSV file. Flow Control Container Action. bat file has been created to trigger a non GUI. 2 Logic Controllers. Ở đây ta sử dụng Uniform Random Timer. send another 500 requests. So creating a 30-seconds delay would be something like: return 30000. 1 you're supposed to be using JSR223 Test Elements and Groovy language for scripting. Improve this answer. 56. jmeter请求延迟-Test Action（Flow Control Action）. Add a Flow Control Action sampler which will introduce delay of, say, 29 minutes and add more loops to the Thread Group This way each 29 minutes JMeter will request for the new token and update the property holding the token with the new value. Right-click on the element. AJP/1. Insert Flow Control Action sampler between requests and configure it to "Pause" for 3000 milliseconds. 0 While Controller exposes current iteration via __jm__While Controller__idx pre-defined variableJMeter 5. Conclusion. Since JMeter 3. 04, mixed mode, sharing)The browser closes when the thread (virtual user) doesn't have any more Samplers to execute. $ {__Random (0000,9999)} The random function returns a random number that lies between the given min and max values. If it is a post request, then there executes the action on the browser. Create Virtual User: Import HAR. Switch from setUp Thread Group for "LoginAPI" to normal Thread Group and configure it to run either desired number of iterations or forever. If "different intervals" come into play the only solution I can think of is using different Thread Groups for representing different services consumers as due to JMeter's threads model all Samplers inside a single Thread Group will act at a speed of the "slowest" sampler and given the application has "background" services these calls need to. Go to the Plugins page. it allows pauses to be included without needing to generate. More information: A Comprehensive Guide to Using JMeter Timers. If your question is about suspending/resuming any application, not specifically JMeter, in Linux you can use kill -STOP $ {JMETER_PID} for suspend the process and kill -CONT $ {JMETER_PID} for resume. Eager to setup Quality Assurance processes. encoding” property value from STDOUT. The correct way of creating a delay via script-based timer is using return keyword, the value should have Long data type and the delay is in milliseconds. . Add Flow Control Action sampler after the last request. so just comment out/remove this quitBrowser function, recompile the plugin and replace the version in the "lib/ext" folder with your own one. Understand how to execute OS process, Debug and Flow control Action samplers can be used in your test plan. Start your free trial. It must be possible to automate such preparational steps. getIteration () == 1,)}, this way it will be executed only during first. 3 Microsoft Windows 10 Enterprise 64-bit java version "14. 1OS Process, Debug, and Flow Control Action Sampler. The Constant Timer is self-explanatory: it delays each sampler by a constant Thread Delay value. Go inside the bin folder. Instead of Constant Throughput Timer you can use Flow Control Action sampler to introduce static delay of 5000 ms. Cụm bài viết của mình gồm các phần từ bắt đầu cho tới nâng cao: Phần 1: Giới thiệu và cài đặt. If you need rather separate script executions you can use your operating system scheduling mechanisms like Windows Task Scheduler or. Add 10 user every second for the ramp-up - you need to set ramp-up period of 3 seconds in the Thread Group. The timer will be applied before the sampler is executed. It scales web development by helping you measure and analyze application performance. If you have a possibility to detect the "finish" event from the "main" thread group you can pass it to the "refresh" thread group via __setProperty () function or Inter-Thread Communication Plugin. [If this is difficult to do, you can use the JMeter Proxy Recorder to record the login sequence. This means that it will run the Login request once per hour. JMeter files or test plans are saved in the ‘. . 2. Read from CSV delimited file. For variable delays, set the pause time to zero, and add a Timer as a child. Add Flow Control Action sampler to the end of the "LoginAPI" thread group and configure it to "sleep" for i. These expressions are composed of: boolean operations && or ||. accounts. Add __isVarDefined () function to the If Controller's condition, this way the Dummy Sampler will be executed only if the variable set by its child Regular Expression Extractor doesn't exist: If you just want to exit the while loop after the first occurrence of the data you're looking for - add Flow Control Action sampler. ③ 保存したjmeter_ja. 0. jmeter（三十三）定时器. 定数スループットタイマーで負荷量を調整する. If there is a way to verify the progress of the "background process" using HTTP Request or JDBC Request sampler you can put. JMeter load testing is a testing process that determines whether or not web applications under test can satisfy high load requirements. Hover the mouse on ‘Add’. Name Description; URL:The InfluxDB External reporting allows you to send metrics to your own InfluxDB database and display them in your own grafana dashboards. 📕 Related Resource: JMeter Tutorial: Getting Started With the Basics. b) Add "HTTP Message Header" and "View Result Tree". 2. You could use a JMeter variable or property to set a dynamic value. Selenium Integrating with JMeter;. 2. 11. You can choose Stop to complete samplers in progress. Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services - Releases · apache/jmeter. You can add Flow Control Action with Pause Action instead. Apache JMeter doesn't natively pace based on the number of tests per user. Token can be passed from one thread group to another using __setProperty and __P () functions or. Add initial controller. However this property is not taking effect. Constant Timer. Notice that JMeter's [scoping rules] execute Timers before Samplers. The way JMeter works is 1 masterTo get JMeter support on Jenkins, you need to use the Performance Plugin. ASF Bugzilla – Bug 62244 Rename Test Action to Flow Control Action Last modified: 2018-04-01 20:00:33 UTCTo edit your JMeter script by using the Apache JMeter GUI in the inline scripting mode: Add the thread group and two HTTP request samplers to the test plan. and compare the entries for "successful" and "failed" executions in the jmeter. A JMeter Test Plan comprises of test elements discussed below. In order to achieve your goal, you can place your timer in 2 ways. In one thread group Flow Control is used to repeatedly call API after every 10 minutes, in another thread group it is used to exit the jmeter test. Advanced Scripting. 1 Answer. Q #12) Explain the flow of the Test Script Recorder. So just use this __Random () function directly where required. 11 hours and 30 minutes using Flow Control Action sampler; Pass the token to the main Thread Group which is doing the endurance test by saving it into a JMeter Property in first Thread Group and reading it using __P() function in second Thread GroupAs of JMeter 5. Flow Control Action Sampler 5 Dummy Sampler Controllers. jmx -Jhost=192. Or add JSR223 Sampler as the last request in the If Controller and put the following code into "Script" area. Make the "token" Thread Group to loop forever. Flow Control. Robust: leverage proven open-source technologies like JMeter. The execution order of the elements in an Apache JMeter performance test plan is very important, it helps understand the timeline of events and how your test will behave. 13+8-Ubuntu-0ubuntu1. Get thread number. If you want to introduce a delay between 2 requests there are following options: Add Flow Control Action Sampler before the 2nd request. Add Flow Control Action sampler to the end of the "LoginAPI" thread group and configure it to "sleep" for i. You might find Flow Control Action sampler easier to use. Demo: JMeter Performance Testing. Create a new JMeter test plan containing a few basic elements. If there is another Sampler after it- you can add a Timer as a child of. Flow Control Action is a sampler that is intended for use in a conditional controller. encoding” property. In the thread group the duration is set to 300 sec. toString())1 Answer. 8. One the main scripts and the other is handling refreshing the Users Token This Second one runs every 3 mins and loops forever The First thread has multi users. On the Test plan tab, select the sample application JMeter script, and then select Upload to upload the file to Azure. The Flow Control Action Controller and Sampler a. e. Additionally if you want all the users to finish the action - add a Synchronizing Timer and set the number of users to group by to be equal to the number of threads in the Thread Group. sh on Linux/Unix. In the thread group the duration is set to 300 sec. Be careful since only children of the flow control action will be impacted. And then execute the test we see that the execution of each sampler is delayed by 2000 milliseconds. Share. log file. batをダブルクリックして実行し、画面が日本語になっていることを確認します。 以上で、JMeterを使用できる準備が整いました。 次からは、負荷をかける為のシナリオ設定作業に入ります。 設定作業（基本） JMeter automatically treats HTTP Request samplers with status codes above 400 as failed so you don't have to go for scripting, you can stop the test using If Controller using the following condition: ${__jexl3("${JMeterThread. Nhập thời gian bạn muốn: Action này sẽ “Pause” lại trong khoảng từ 600 ms -> 1000 ms. 1 Samplers¶ Samplers tell JMeter to send requests to a server and wait. Replace the Timer with a Flow Control Action PAUSE and you will have the behaviour that you want. Take a look at Synchronizing Timer and Flow Control Action Sampler combination, example implementation: More information: Using the JMeter Synchronizing Timer. Create a test plan. Great, we're just one step behind having a virtual user created from a Charles recording. It is used to send HTTP/HTTPS requests to the target web server. Improve this answer. jmeter set up. Flow control Action - This is special type of Sampler,. Switch from setUp Thread Group for "LoginAPI" to normal Thread Group and configure it to run either desired number of iterations or forever. Dmitri. getProperty (“file. Setting up Apache JMeter. Timers. If you introduce artificial delay of 3 seconds - it will make the overall throughput lower. My goal is to make the first 3 requests in a time X sec (about 10),. Improve this answer. Thread Group Properties: number of threads : 600 ramp up period : 60 Loop count : 5, Add Sampler -> Flow Control Action Select Logical Action on thread as Pause Duration (milliseconds). According to the problem, there is a need to execute a particular request to execute in a loop. bat. 0开始，Test Action已重命名为Flow Control Action. Add Flow Control Action sampler as a child of the If Controller and configure it to "Go to next iteration of Current Loop" However this way you cannot avoid incrementing the count of the Loop Controller and if/when you run out of iterations JMeter will exit the loop (unless it's something you're looking for), this way you can only skip. batをダブルクリックして実行し、画面が日本語になっていることを確認します。 以上で、JMeterを使用できる準備が整いました。 次からは、負荷をかける為のシナリオ設定作業に入ります。 設定作業（基本）JMeter automatically treats HTTP Request samplers with status codes above 400 as failed so you don't have to go for scripting, you can stop the test using If Controller using the following condition: ${__jexl3("${JMeterThread. For this example, we want a way to tag load tests by their RedLine13 load test ID number, and have that be displayed back in Dynatrace. Mixing versions may not work correctly. To stop JMeter instance on all the remote machines : ALT + Z: To shutdown JMeter instance on all the remote machines: Right Arrow: To expand the. Share. This will allow us to based on that as an associated metric. If it is added under a sampler then the parent sampler will wait for the defined time and then start execution. O’Reilly members experience books. OctoPerf load testing - JSR223 Action documentation page. You may need to evaluate the property name, using the ${__V()} function. It scales web development by helping you measure and analyze application performance. More information: A Comprehensive Guide to Using JMeter Timers. Password . The "Stop" action stops the thread or test after completing any samples that are in progress. getIteration () == 1,)}, this way it will be executed only during first. In order to use this script, a property named startTime exists. Add Debug Sampler to Thread Group. JMeter Overview - JMeter is an extremely popular open-source Java-based performance testing tool for running protocol-based load tests against various web and software services, APIs (SOAP and REST), web applications, and other web services. Make the "token" Thread Group to loop forever. 2. If your question is about suspending/resuming any application, not specifically JMeter, in Linux you can use kill -STOP $ {JMETER_PID} for suspend the process and kill -CONT $ {JMETER_PID} for resume. This variable can be overwritten in the command line using: jmeter -n -t LoadTestJmeterScript. Scenario 2: If the iteration is completed. Techniques used within JMeter to determine issues in the system include the Stepping and Concurrency Thread Groups. Start your free trial. So basically throughput is the number of requests which JMeter was able to within test duration time frame. If it is added under a sampler then the parent sampler will wait for the defined time and then start execution. . 11 hours and 30 minutes using Flow Control Action sampler; Pass the token to the main Thread Group which is doing the endurance test by saving it into a JMeter Property in first Thread Group and reading it using __P() function in second Thread Group As of JMeter 5. JMX’ extension. This can be. Go to next loop iteration assumes Thread Group iteration, it doesn't break the loop of other Logic Controllers, if you want to go through all entries in the CSV Data Set Config and continue you can put your CSV Data Set Config under the While Controller and use the following condition: $ {__groovy (!vars. 1. The new options are highlighted in. Put your requests under the Loop Controller. 1 Answer. Other (and the main factor) is your application response time because JMeter. My Requirement is to execute 10 request per second for 5 minutes. b) Add "HTTP Message Header" and "View Result Tree". The easiest solution would be creating a separate Thread Group with 1 virtual user and 1 HTTP Request sampler which will be refreshing the token. c) Now Add the. properties file as suggested by Dmitri T in one of my previous question for the same thing. Is it possible to modify some attributes in the XML body data of an HTTP Request in JMETER? The XML in the body data would be a template, which would change with the different parameters (number d1n number d2) that would change. JMeterでタイマー以外で待つ方法 makoto_hrg 2022年9月6日 14:28. I have tried with Constant Timer & Flow Control Action but it paused after every sampler execution. Get the local machine name. The above configuration will add a 5-second delay before the execution of each sampler, which is in the Constant Timer’s scope. Follow answered Jun 9. jtl once the test is finished. RedLine13 exposes certain test-specific metrics to JMeter (such as the “ Test ID ” number) which can be pulled into tests via auto-generated. Apache JMeter is a Java-based desktop application, which can be used for load testing to measure the performance of a system or used for stress testing to see if a system is crashed gracefully. A while loop is a control flow statement that allows code to be executed repeatedly based on a given Boolean condition. This way first thread group will execute the Login generating or refreshing the. Constant Timer) as a child of the 2nd request. put("date", date. What is JMeter flow control action? Flow Control Action sampler is used along with the logical controllers to control the sampler execution. To take the screenshot ( G raphics) of the JMeter screen. The loop could be organized in the following way. By: RedLine13. encoding” property. pdf__idx} More information: Using the While Controller in JMeterThe Flow Control Action and Result Status Action Handler elements make it easier for loop breaking and loop switching to the next iteration. Logic Controllers help you to control the flow the order of processing of samplers in a thread. last_sample_ok}"=="false",)} and add Flow Control Action sampler as a child of the If Controller In the JMeter script, Constant Timer is used to add a constant delay before processing a sampler. Apache JMeter doesn't natively pace based on the number of tests per user. Improve this answer. Flow Control Action with the delay of 600000 milliseconds and Pause is selected is at the same level as While controller ie it is sibling and not child of While controller. . . – Dmitri T. Follow. For the purpose of adding a new Flow Control Action within a Thread Group/Controller: CTRL + 6: To add a new JSR223 PostProcessor to a test plan, thread group, controller, or sampler. putObject ('whileLoopStart', System. I used startup delay under Threadlifetime setting of the Thread Group and it seems to work. Use the following __jexl3 () function as the condition: $ {__jexl3 (!$ {JMeterThread. What should be used to extract 'userID' from first API response and use it as an input to second request. See the below image, with the Flow Control Action sampler disabled JMeter runs requests as fast as it can and when I enable it JMeter runs requests each 2 seconds according to. 04) OpenJDK 64-Bit Server VM (build 11. You can upload additional JMeter configuration files or other files that you reference in the JMX file. If you want to add a delay between each iteration of each thread add a Flow Control Action Sampler as the first sampler and set the delay in the controller. Here you will see the process to perform JMeter Performance Testing in 5 steps: 1. The simplest way is to add a single 'Constant Timer' to your thread group at the same level as your HTTP requests. jmeter压测学习31-取样器之测试活动 (Test Action) 技术标签： jmeter. 25 minutes. Flow Control Action ：采样器 设置思考时间In JMeter, by adding a Non-Test element to your test plan, enables you to capture the network traffic. Note: You shall add a delay after checking the status of the last sampler. state, scope). Let’s assume that we have a basic script with two request samplers: the first request sampler is located one step before the. Apache JMeter doesn't natively pace based on the number of tests per user. 📕 Related Resource: JMeter Tutorial: Getting Started With the Basics. bat] on each server host. Right click on Test Plan > Add > Non-Test Elements > HTTP (S) Test Script Recorder. 5. def date = Date. To save only the elements located in a particular "branch" of the Test Plan tree, select the Test Plan element in the tree from which to start the "branch", and then click your right mouse button to access the "Save Selection As. Add JSR223 Sampler and put the following code into Script area: 0. In Jmeter, is there any way in which I can gradually increase the thread number (with each thread looping the request lifecycle forever), until condition is met? When the condition is met, the entire test should stop. Thread Group. The flow control container lets you control how often the contained actions are executed. CTRL + 7: For the purpose of adding a new JSR223 PreProcessor to a test plan, thread group, controller, or sampler: CTRL + 8Apache JMeter is a Java-based desktop application, which can be used for load testing to measure the performance of a system or used for stress testing to see if a system is crashed gracefully. 1" 2020-04-14 Note: There might be more issues for flow control action when Break current loop is used, so if you have time please investigate. com and run it 2 times. -> Thread Group -> Loop Controller -->Particular Request -> Other Request. JMX is an open test format that allows the test plan to be run in a text editor. How to add ‘Concurrency Thread Group’ in the script? Select ‘Test Plan’ node. Insert Constant Timer as a child of the 2nd request, the timers are executed before each Sampler in their scope so it will introduce the 3 seconds delay between requests as well: if you place the constant timer at the same. FifoTimeout=120 in user. Tip #1 - Control the Test Script Execution Flow. Answer: HTTP(s) Test Script Recorder is used to record all the Http(s) requests going to the server from your application. Apache JMeter HTTP(S) Test Script Recorder This tutorial attempts to explain the exact steps for recording HTTP/HTTPS. Follow answered Aug 13, 2021 at 6:54. 10, recording has been improved to better handle embedded resources and creation of certificates on the fly. The InfluxDB External reporting allows you to send metrics to your own InfluxDB database and display them in your own grafana dashboards. Instead, you use an element of the Constant Throughput Timer, Constant Timer, or Flow Control Action type. With regards to other approaches most probably the way you're introducing the delay works according to JMeter Scoping Rules and not to your expectations. . Understand how to execute. With a full test tree I noticed a lost of 30 to 50% of the target throughput. Percent executions per VU: causes the container to execute a certain. Read an entire file. Share. Dec 3, 2021 at 14:29. For example, if you are interested in testing a Web application, then see the section Building. If you want to learn about downloading and installing JMeter, you can check this video. Especially in combination with one of the other items above. The formula is: Throughput = (number of requests) / (total time). g. The same result can be achieved programmatically but they make life easier by handling a lof of common situations. To pause (sleep) current or. setIgnore () vars. Jmeter 5. 3. For example, if your test script uses CSV data sets, you can upload the corresponding . Constant Timer. If you want to do this in. Controls the behavior of the flow, by either enabling or disabling flow behavior (such as logging) or by choosing a branch when the flow runs. 定数スループットタイマーで負荷量を調整する. Dec 3, 2021 at 14:29. Improve this answer. RendezVous¶. JMeter implements this while loop by using the JMeter. Flow Control Action:- Earlier it was known as Test action. It does however have a small number of limitations. [If this is difficult to do, you can use the JMeter Proxy Recorder to record the login sequence. Provide details and share your research! But avoid. IF Controller. All other relevant JMeter test elements will be imported as Generic Actions: Generic Actions lets you edit the configuration of the associated JMeter test element (here a BSF Post Processor). You can put Flow Control Action sampler under the If Controller and use the following __groovy () function as the condition: $ {__groovy (vars. Think Timeで負荷量を調整する 2. A thread group is a set of threads executing the same scenario. A Constant Throughput Timer element sets the Target Throughput property to your desired rate of samples per minute. Share. In Windows you can do something like Invoke-WindowsApi "kernel32" ( [bool]) "DebugActiveProcess" @ ( [int]) @. For variable delays, set the pause time to zero, and add a Timer as a child. JMeter automatically treats HTTP Request samplers with status codes above 400 as failed so you don't have to go for scripting, you can stop the test using If Controller using the following condition: ${__jexl3("${JMeterThread. ③ 保存したjmeter_ja. Flow Control Container Action. To apply a timer to a single sampler, add the timer as a child element of the sampler. Add a Thread Group to Test Plan. 2/ add a Flow Control Action with a duration equals to 120000 (2min) in child of your thread group :. Follow edited Feb 9, 2016 at 17:56. We will need a regular Thread Group to contain our test, and to that we will add a “ Once Only Controller ” and a “ Loop Controller ”: Step 2. Jmeter 5. I have read the user guide, here or on Blazemeter blogs regarding usage of flow action to implement dynamic pacing in Jmeter script with help of a JSR223 timer. Jmeter 5. The reason for stopping the thread can be found in jmeter. e extracting some data out of json) is to use a BeanShell Sampler in way like described above. Let’s look at the controller. It is an open source tool provided by Apache without licensing cost. equals ('<EOF>'),)} The. Timer. Most server-based applications usually have more than one scenario, so creating a separate Thread Group mapped with each use case. Decide if to stop the thread by using If Controller and Flow Control Action Sampler combination. Apache JMeter Tutorial. This tutorial provides basic and in-depth knowledge of the Apache JMeter Performance Testing tool. send 500 requests. You could use a JMeter variable or property to set a dynamic value Sorted by: 1. The Label field in the Summary Report is derived from the Transaction Controller's Name attribute. Insert Constant Timer as a child of the 2nd request, the timers are executed before each Sampler in their scope so it will introduce the 3 seconds delay between requests as well: if you place the constant timer at the same. 0. JMeter is a Java based desktop application that can be used for performance testing of different kinds of client-server applications like websites, web services, databases, FTP servers etc. Logical Controllers. wait 1 second. 1 What are Logical Controllers 2 Once Only Controller 3 Transaction controller 4 Loop controller 5. Flow Control Action is a sampler that is intended for use in a conditional controller. If we take a Test Plan that manages the loop count using the Thread Group. If it doesn't - try increasing JMeter logging verbosity for the JDBC Test Elements by adding the next line to log4j2. The Flow Control Action sampler is a sampler that is intended for use in a conditional controller. Sorted by: 10. Follow Control Action -> Add -> Timer -> Uniform Random Timer. wait 1 second. Add Flow Control Action sampler as a child of the If Controller. When I turn off Follow Redirects I correctly get the values extracted, but I don't get a cookie that I need for the next request. The tutorial assumes you already have JMeter installed on all the systems.