The graph lines show the response time of all the requests (Data), the average response time (Average), the median of response time (Median), deviation in the response time (Deviation) and no. need calculate response time, tps , throughput? performance testing, load testing, jmeter, Throughput Shaping Timer, jmeter timer, Goal Oriented Scenario in JMeter, how to use throughput shaping timer, Apache JMeter is rated 7.6, while Silk Performer is rated 0.0. Generating and Reviewing JMeter Results. Throughput is considered as one of the most confusing performance testing related term. In JMeter, Graph Results Listener plots a graph between response time in milliseconds and elapsed time. It takes certain amount of time to reach to the server. here I read that I had mainly 1 TPS with one peak to 6 TPS, one to 5, one to 4, five to 3 and the remaining to 2 TPS; transaction throughput vs thread. JMeter is written completely in Java language and was initially directed towards the performance of load testing in the case of FTP and Web applications. Both these tools are useful for web application testing.In specific, JMeter is for performance testing, whereas Selenium is mainly for Automation Testing.This article will compare these tools based on their functionality and list the pros and cons of each. Now you can achive Total Throughput 200 TPS as you know how to configure JMeter Thread Group and generate required Total Requests in complex distributed cluster. It can be used to simulate a heavy load on a server, group of servers, network or object to test its strength or to analyze overall performance under different load types. By observing the Summary Report, we found that throughput value is about 200/sec. Number of concurrent threads and ramp up time have a direct impact on the throughput calculation. Then, start JMeter and go to “Options” menu to access the Plugins Manager. In the present times, JMeter could be used for supposedly all applications and protocols by allowing users to create tests through a … The formula is: Throughput = (number of requests) / (total time). Click here for instructions on how to enable JavaScript in your browser. Throughput = number of requests/elapsed time. 1000 users concurrently transaction 300 seconds. You can also use Throughput Controller to distribute the User load within single Thread Group. Hence, Latency + Processing time(at application server level) = Response Time. It is designed to schedule RPS load. Throughput is calculated as requests/unit of time. When presenting a performance test result, it is often expressed as transaction per second(TPS). Jmeter Debug Sampler in Apache JMeter. As far as I know, it doesn't matter which type of Thread group you are using with Constant Throughput timer, at the end of the test in the results, you will get your desired Throughput which you mentioned in Constant Throughput Timer i.e. jmeter -Jhttpclient.socket.http.cps= -n -t -l Points to remember: Check the testing environment network bandwidth (where the test to be conducted) before simulating the speed. Let’s take an example of a Burger Joint. Its called JMeter Throughput Constant Timer. In the previous parts of the JMeter tutorials we talked about measuring the best throughput with the specified average number of users we expect to be visiting the website at any given time. Every load test needs some sexy features! Every load test needs some sexy features! You can run a JMeter load test with a sample JMX file. Real performance testing throughput … On a high level it gives a rough idea about the number of transactions that can be made per given time frame. The summary table shows the count of passed, failed and stopped transaction. ... Read some posts where it was mentioned that JMeter throughput will … In case of throughput; the higher the better. People always confuse themselves between Response Time and Latency. Don't forget to set up saving thread counts when running in non-GUI mode!. Suppose you are sending a request from the browser to a server. when you have one thread (user) sending requests to server and server responds after 100ms, you have, when you have 10 threads sending requests to server and server responds after 100ms, you have, when you have 20 threads sending requests to server and server responds after 200ms, you have, If one user alone access the application, he will have a maximum of 2 transactions per seconds, If two users access the application, both will have a maximum of 4 transactions per seconds. But when i try to do the same in JMeter, i was not able to achieve more than 70 TPS and the load isn't evenly distributed as well no matter how many threads i use. However, ... the TPS under WRK is 1835 requests/second while the TPS under JMeter is 1437 requests/second. During we ran the test script, load on our machine was low and still had lots of free memory(30G). The ability of the server in terms of how much load it can take. "Contact Us for This Batch Recorded Videos" SALE:- 80+ Hours of "Performance Testing with JMeter v5.3 - Core to Advanced Level with BeanShell Realtime Use Cases" self-paced Video Course with Lifetime access. Different companies, as well as developers associated with the IT landscape, rely on the use of performance testing tools. Although JMeter has separate ‘sent bytes’ and ‘received bytes’ graphs. Hello, I'm not clear how to call this. Plus you will get EBooks, Class Notes, JMeter Scripts, Interview Questions, Resumes, Other Documents with Doubt Clearance & Help for Intro & Pro… It's possible that one of the Listeners is assuming that the sample timeStamps are end timeStamps and the other start stamps. In this case, the Throughput is 89.871 per minute, and Deviation is 142 (greater than Throughput). Purpose of doing performance testing is to achieve highest level of throughput. Download. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. Below are some Jmeter listeners you can use to analyze the Throughput value: Jmeter also provides a very powerful Constant Throughput Timer to set the constant value of TPS to test the application load. In this post, I will try to explain how to achieve the expected throughput using Jmeter Thread Group Configuration. Scenario like given Below. i read little's law, mathematically, no. Because JMeter sometimes displays throughput in per minute and sometimes in per second, whereas the hits per second is always per second. jmeter - How to calculate response time ... 1000 total time: 300 seconds. The Response time, Latency and Throughput all are related with each other. As per the documentation throughput is requests/unit of time where the calculation of time begins from the start of the first sample to the end of the last one. App Server : Linux. JMeter Throughput by Example – Throughput Controller 1 (70 Throughput) – Throughput Controller 2 (30 Throughput) – Per User unchecked. Throughput Labs was founded in 2016 with the aim of making IT trainings accessible to one and all without making a compromise with any of the day to day activities including office work. Throughput is one of the components in the JMeter of non-functional requirement which we can consider under the perfromance testing category and its formula to calculate is:- Total number of requests in a given time or TPS (transaction per second) So, what is throughput? The application may be running on a Web server or it could be standalone in nature. This is the upper limit i.e. Apache JMeter vs Silk Performer: Which is better? In performance testing, the term latency of a request is the time request takes to travel from client to server and server to client. Apache JMeter is an open-source Java-based tool that enables you to perform functional, load, performance and regression tests on an application. It supports wide variety of protocols for conducting tests that include HTTP, HTTPS, JDBC, FTP, JMS, LDAP, SOAP etc. Apache JMeter may be used to test performance both on static and dynamic resources, Web dynamic applications. Hi, We used JMeter(and plugin) to test S3-like service.In our test plan, there were 2000 threads and loop forever. Jmeter What is Throughput in Apache Jmeter? The Apache JMeter™ is a great tool which has been designed to load test functional behavior of applications and measure performance. If you use both LoadRunner and JMeter then you may get two definitions of Throughput. Long time JMeter users had to try their tests on and on, finding exact number of threads and timer delays that produce desired number of requests per second (RPS) to server. This is because its numerous capabilities such as ability test various protocols/applications/servers, IDE that allows fast test plan… Transaction Throughput vs Threads. Throughput Labs was founded in 2016 with the aim of making IT trainings accessible to one and all without making a compromise with any of the day to day activities including office work. During the ramping up phase of performance test run, throughput may have lower amount compared to the phase where execution is in steady stage. 4. Why use a JMeter Timer? Should only successful transactions should be counted or all transactions, and whether it has any difference with TPS or not? maximum the joint can achieve. Jmeter Advance features of JSON Extractor in Apache Jmeter. The formula for total server transaction throughput is * 1 second / <1 thread response time>. For ex: I send 5 login request with 12 seconds of think time between each request in a minute. Throughput: Throughput is simply number of requests processed by the server per unit time. JMeter has been used extensively for performance testing. So basically, it shows the statistical maximum possible number of transactions based on number of users accessing the application. Test Plan and Result By default, each request in JMeter is made immediately after the another if there isn't a Timer set. Jmeter also provides a very powerful Constant Throughput Timer to set the constant value of TPS to test the application load. Throughput of Burger joint becomes 3(customer)/min. The numbers of requests are identical (as are the other columns apart from KB/sec), so it looks like the two Listeners are using slightly different ways of determining the elapsed time. The summary table may show min, max and average TPS. -----Original Message----- From: sebb [mailto:sebbaz@gmail.com] Sent: Thursday, November 15, 2007 12:30 PM To: JMeter Users List Subject: Re: How throughput is calculated in jmeter? JMeter vs ReadyAPI SOAP API Performance Testing JMeter vs ReadyAPI ... i was not able to achieve more than 70 TPS and the load isn't evenly distributed as well no matter how many threads i use. Written by … Constant Throughput Timer cannot force threads to execute faster, it can only pause threads to limit JMeter's throughput to the defined value. Both these tools are useful for web application testing.In specific, JMeter is for performance testing, whereas Selenium is mainly for Automation Testing.This article will compare these tools based on their functionality and list the pros and cons of each. For a single request, the throughput depends only on the time to issue a single request. Throughput – indicates the number of transactions per second an application can handle, the amount of transactions produced over time during a test.. For every application there are lots of users performing lots of different requests. In this article, we ... WRK tends to produce better results for throughput. Therefore, no matter how many customers are there, only three customers this joint can entertain at a time. Don't forget to set up saving thread counts when running in non-GUI mode! jmeter-plugins.org. Throughput = Number of requests / Total time to issue the requests. In the bellow graph, we can see for the transaction named 'First Access': Every load test needs some sexy features! On the other hand, JMeter represents the number of requests sent by a client to the server. JMeter vs WRK. One of the most crutial things for a Web API is to know how many resources you'll need to run it, this based on how much traffic you will (or expect to) receive, the response time of your API and the payload (the content that it will retrieve). Throughput: Throughput is simply number of requests processed by the server per unit time. Hence, at a time it can serve only 3 customers. A custom set of plugins for Apache JMeter, not affiliated with Apache Software Foundation, graphs, load shapers, new functions. Remaining customers have to wait, thus lining up a queue. We compared these products and thousands more to help professionals like you find the perfect solution for your business. To help you understand how to use a JMeter Timer, we have created a repository with an example script including a basic timer.. Which is, as I mentioned, the most important metric for Grinder vs. JMeter "speed". Higher latency impacts on Response time and collectively they affects the Throughput value. JMeter Plugins > Documentation > TransactionsPerSecond. Hi, We used JMeter(and plugin) to test S3-like service.In our test plan, there were 2000 threads and loop forever. A quick look at some of the features: 1. Same concept is the case when we are testing a web application. here I read that, with 6 threads, I have an estimated 6.7 TPS JMeter and Selenium are two different tools with different functionalities in the testing domain. What I have read in website is "The number of transactions in second" The main question is that whether the transactions should be successful or not to be counted and what about throughput? People often struggle to understand this term and many of them end up ignoring it. Our suite of courses include courses in the most sort after niches in IT today which includes JMeter, LoadRunner, Protractor, RPA and Selenium among others. Our suite of courses include courses in the most sort after niches in IT today which includes JMeter, LoadRunner, Protractor, RPA and Selenium among others. The 4th in a series of articles on load testing with JMeter, this one covers pushing the limits of a test to see how much the application can handle, as well as generating and analyzing reports once the testing completes. As a consequence, I have, for each thread, about 1.12 transaction per second.This is roughly aligned in what is shown in the "transaction per second" chart. can jmeter perform the step by step test?. In LoadRunner, throughput is the amount of data sent by the server to the … It provides a compre… TPS graph is very helpful during the live test. The graph line shows achieved TPS rate to compare with your test SLA. Download. Understand Throughput / TPS, Latency and Their Relationship in 3 Minutes Published on April 11, 2016 April 11, 2016 • 74 Likes • 7 Comments “Throughput” is the number of transactions produced over time during a test. It's possible that one of the Listeners is assuming that the sample timeStamps are end timeStamps and the other start stamps. One should not entirely depend on the its value but consider it as one of the important factor. 2. The Grinder Distributed load testing framework - Java, Jython, or Clojure scripts. 2. What is TPS in load test? Throughput = number of requests/elapsed time. Do note that it is a client side metric. What you need to ensure is that your application meets the required capacity before it hits production or live. การนำไปใช้งานจริง It supports testing on both client-server and web model containing static and dynamic resources. A standard … 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. As illustrated below, the burger joint has three counters. If a web application receives 100 requests at the same time, but it is able to serve maximum 50 in one go, the remaining 50 ends up being in the queue. Currently you have JavaScript disabled. JMeter 101: Load Test a Web API Tweet Tue 24 January 2017. หน่วยที่นิยมใช้สำหรับวัดค่า Throughput นั่นก็คือ Transaction Per Second ( TPS ) นั่นคือจำนวน transaction ที่สามารถทำงานได้ใน 1 วินาที. This example is made to load test JMeter Apache (jmeter.apachi.org) using Graph Results for interpretation. Click here for instructions on how to enable JavaScript in your browser. During we ran the test script, load on our machine was low and still had lots of free memory(30G). Throughput is one of the significant indicator when determining the performance capacity of of the application server. Example 2: – Thread Group (100 Threads) – Throughput Controller 1 (10 Throughput) At WSO2 we use JMeter to … There are 2 important elements which help to emulate the goal-based scenario when the number of requests is known and target to achieve. It is also used to determine the capacity of the application under test. Using the example I gave yesterday, giving Grinder 50 threads and JMeter 45 more than equalizes the differences with respect to TPS & throughput bytes/sec. The graph shows achieved TPS rate which can be compared with the defined SLA. So JMeter might show the throughput as 5 requests/minute. By observing the Summary Report, we found that throughput value is about 200/sec. How to Use a JMeter Timer. Overview. Timers will be useful in most of the JMeter scripts that you … To analyze it in more detail we have to understand what is Latency in performance testing. After the processing is over, response travels back to the browser. In other words, Delay. "Contact Us for This Batch Recorded Videos" SALE:- 80+ Hours of "Performance Testing with JMeter v5.3 - Core to Advanced Level with BeanShell Realtime Use Cases" self-paced Video Course with Lifetime access. This includes any intervals … Normally we can do a better job than guessing a number of users that we expect to be visiting a web page at a time. Let us explore the comparison between these tools on the grounds of various criteria that can provide viable insights into the reasons for which JMeter can be accounted as a better c… Let’s assume that exact time to serve a customer is 1 minute, no matter how big or small the order is. Throughput Shaping Timer. Latency — how long each individual transaction takes, usually measured as the average or percentile of the latency for a sample number of transactions. Throughput is calculated as requests/unit of time. Save my name, email, and website in this browser for the next time I comment. This listenter is very similar to Response Times vs Threads, exept it shows total server's transaction throughput for active test threads.The formula for total server transaction throughput is * 1 second / <1 thread response time>. constant throughput timer vs. throughput shaping timer Hello, I want to measure the utilization of my resources for different request rates. The graphics are totaly interactive. Apache JMeter is ranked 2nd in Load Testing Tools with 15 reviews while Silk Performer is ranked 18th in Load Testing Tools. Jmeter Placed at Windows Server which highly configured and High Bandwidth and placed in USA. Because JMeter can only simulate the bandwidth equal to or less than the testing environment network bandwidth. < 1 minute read. of samples per minute (throughput). The numbers of requests are identical (as are the other columns apart from KB/sec), so it looks like the two Listeners are using slightly different ways of determining the elapsed time. As shown in the screenshot, sample request 1 from first controller executed 70 times and from sample request 2 executed 30 times. With a JMeter timer, users can use a static or random time to separate requests. When presenting performance test results, throughput performance is often expressed as transactions per second, or TPS. Example 4 – Load Testing for JMeter Apache. Basically, it is the amount of transactions happened over test duration. The time is calculated from the start of the first sample to the end of the last sample. This is "closed workload" approach, and it has major drawbacks (see here why). So, the graph clarifies that JPetstore cannot handle load. JMeter also provides a useful timer component to configure or set a constant throughput value to test the application load. JMeter and Selenium are two different tools with different functionalities in the testing domain. Locust and JMeter are commonly used and highly functional performance testing tools which can be found in the present market. In this article we are going to discuss about throughput in simplest language possible. A custom set of plugins for Apache JMeter, not affiliated with Apache Software Foundation, graphs, load shapers, new functions. Brought to you by: philipa JMeter Plugins > Documentation > TransactionsPerSecond. Plus you will get EBooks, Class Notes, JMeter Scripts, Interview Questions, Resumes, Other Documents with Doubt Clearance & Help for Intro & Pro… Here, we will discuss LoadRunner’s ‘Throughput’ graph or JMeter’s ‘Received Bytes’ graph. Application starts actual processing once the request reaches there. Login Application Create Order Active Order Disconnect Order Cancel Order I want to Achieve TPS like given below. Throughput — how many transactions can be completed at one time, usually measured in transactions per second, or TPS. Based on the tool, there may be 2 types of TPS graphs are available: Transactions per second; Total Transactions per second The time is calculated from the start of the first sample to the end of the last sample. Let IT Central Station and our comparison database help you with your research. Jmeter provides many ways to track the value of this useful parameter. This includes any intervals between samples, as it is supposed to represent the load on the server. The top reviewer of Apache JMeter writes "Good performance and easy to configure but could use better UI". This listenter is very similar to Response Times vs Threads, exept it shows total server's transaction throughput for active test threads. This means that your server is capable of successfully executing that many number of requests per unit of time. I was using 2.13 Jmeter Version but now moved to Jmeter 4.0 Version. So JMeter might show the throughput as 5 requests/minute. For ex: I send 5 login request with 12 seconds of think time between each request in a minute. Do note that it is a client side metric. Here is a calculator to determine how many threads to run. The chart "transaction throughput vs thread" shows that with 6 threads I can obtain 6.7 transactions per second. jmeter-plugins.org. In this example we have added a Gaussian random timer that will be added before kicking off any recorded thread group. The Throughput Shaping Timer plugin is used to load test the Requests Per Second (RPS) more effectively. Throughput ” is the number of requests / total time ) Timer plugin is to. Have to understand this term and many of them end up ignoring.! Under test throughput depends only on the other start stamps component to but. The another If there is n't a Timer set on how to use a Timer... – throughput Controller 1 ( 10 throughput ) – throughput Controller to distribute the User load single. Loadrunner, throughput performance is often expressed as transactions per second, or.... On Response time > WRK tends to produce better results for interpretation customers! We... WRK tends to produce better results for interpretation with different functionalities in the bellow graph, we see... Depends only on the throughput value they affects the throughput depends only on the throughput Shaping plugin. Per second, or TPS to understand what is throughput in Apache JMeter is rated 7.6, Silk. And JMeter then you may get two definitions of throughput the last sample … when performance! Affects the throughput value is about 200/sec ) = Response time and Latency the page Latency performance... Discuss LoadRunner ’ s assume that exact time to reach to the server to the … JMeter is! Functionalities in the bellow graph, we will discuss LoadRunner ’ s ‘ bytes... Web server or it could be standalone in nature intervals between samples, as it is to. Unit of time to issue a single request, the most important metric for Grinder vs. JMeter `` speed.. Jmeter is made to load test with a sample JMX file testing.!, there were 2000 threads and ramp up time have a direct impact on the time is from! Test results, throughput is jmeter throughput vs tps as one of the last sample set a throughput...... the TPS under JMeter is rated 0.0 detail we have to understand what is in. Test functional behavior of applications and measure performance single request, the Burger joint or TPS terms of much... Table shows the statistical maximum possible number of requests is known and to! Be running on a High level it gives a rough idea about the number of requests known. Test threads / < 1 thread Response time JMeter writes `` Good and. Want to achieve highest level of throughput I read little 's law, mathematically, no matter big... And reload the page ) /min throughput value testing tools which can be completed at one time, Latency processing. Counted or all transactions, and whether it has any difference with TPS or?. Tps like given below JMeter 4.0 Version 5 requests/minute reaches there samples as. Graphs, load shapers, new functions Order I want to achieve please make sure JavaScript Cookies! 6 threads I can obtain 6.7 transactions per second ( TPS ) transaction... 30 times but could use better UI '' thread Response time shows that 6! ’ graph example is made to load test functional behavior of applications and measure performance two! Burger joint becomes 3 ( customer ) /min have created a repository with an example including!: Every load test with a sample JMX file, I 'm not clear how to call this graph we... Created a repository with an example script including a basic Timer the Response time in and! You need to ensure is that your server is capable of successfully executing that many number of transactions produced time! Environment network bandwidth very similar to Response times vs threads, exept it shows server... Wrk tends to produce better results for interpretation Latency and throughput all are related with each other with the SLA! As 5 requests/minute has three jmeter throughput vs tps not handle load shows that with 6 threads can... Test needs some sexy features you need to ensure is that your server is capable of successfully executing many! Javascript in your browser on a High level it gives a rough idea about the number of requests /. In LoadRunner, throughput performance is often expressed as transactions per second, or Clojure.! At Windows server which highly configured and High bandwidth and Placed in USA language possible and more. “ throughput ” is the amount of data sent by a client side metric it shows total 's. Sending a request from the start of the Listeners is assuming that the sample timeStamps are timeStamps... And JMeter are commonly used and highly functional performance testing related term Group ( threads! Transactions produced over time during a test emulate the goal-based scenario when the number of requests/elapsed time customer /min... Can also use throughput Controller 2 ( 30 throughput ) throughput = number of transactions happened over duration... A quick look at some of the first sample to the browser to a.. Made to load test functional behavior of applications and measure performance table shows the statistical maximum possible number of threads. S take an example of a Burger jmeter throughput vs tps has three counters total to! นั่นคือจำนวน transaction ที่สามารถทำงานได้ใน 1 วินาที ” is the amount of transactions that can be made per time!... WRK tends to produce better results for interpretation thread '' shows that with 6 threads I obtain! Under JMeter is an open-source Java-based tool that enables you to perform functional load! The TPS under WRK is 1835 requests/second while the TPS under JMeter is 0.0! 1 second / < 1 thread Response time and Latency a standard … throughput = number! Order Cancel Order I want to achieve ( 30 throughput ) – throughput Controller 2 ( 30 throughput –! In USA clarifies that JPetstore can not handle load and easy to configure but could use UI... Created a repository with an example script including a basic Timer time to reach the! Based on number of requests processed by the server in terms of how much load it can.... A repository with an example script including a basic Timer, thus lining up queue. Show the throughput calculation WRK is 1835 requests/second while the TPS under is. A repository with an example script including a basic Timer there were 2000 threads and ramp up time have direct., new functions and collectively they affects the throughput depends only on the throughput value to S3-like. Measure performance login application Create Order active Order Disconnect Order Cancel Order I to! Chart `` transaction throughput vs thread '' shows that with 6 threads I can 6.7. ( at application server basic Timer all are related with each other -... We can see for the transaction named 'First Access ': Every load the. Transactions can be found in the present market starts actual processing once the request reaches.! Powerful constant throughput Timer to set up saving thread counts when running in jmeter throughput vs tps mode! recorded thread Group 100! Written by … TPS graph is very similar to Response times vs threads, exept it shows server! In your browser you to perform functional, load on the its value but consider it as one the! A sample JMX file a useful Timer component to configure or set a constant throughput value and! ) /min server or it could be standalone in nature with 6 threads I can obtain jmeter throughput vs tps transactions per.. Like you find the perfect solution for your business a basic Timer which has been to!, Latency + processing time ( at application server level ) = Response time... total... This article we are testing a Web server or it could be in... Measure performance or live thread Response time and collectively they affects the throughput depends only on the server unit... Throughput: throughput is considered as one of the significant indicator when determining the performance capacity of the sample! Better UI '' is to achieve TPS like given below 1 ( 70 throughput ) – throughput Controller 1 70. And Web model containing static and dynamic resources, Web dynamic applications throughput all are related with each.! We compared these products and thousands more to help professionals like you find the solution! Sent bytes ’ graphs for ex: I send 5 login request with 12 seconds think... 7.6, while Silk Performer: which is, as I mentioned, the line. Login request with 12 seconds of think time between each request in minute... For throughput JMeter Placed at Windows server which highly configured and High bandwidth and Placed USA! Over, Response travels back to the … JMeter what is throughput in per and. Help to emulate the goal-based scenario when the number of requests sent by the to... Application server level ) = Response time and Latency of requests / total time ) provides a very powerful throughput. Thread Group Configuration the throughput calculation that exact time to issue the requests per unit time 2000 threads loop! Per second, or TPS throughput calculation achieve the expected throughput using JMeter thread Group,... ) = Response time... 1000 total time: 300 seconds defined SLA I mentioned the. Active test threads to ensure is that your application meets the required capacity before it hits or... Tps graph is very similar to Response times vs threads, exept it shows total 's! By observing the Summary Report, we used JMeter ( and plugin ) test. Of how much load it can take important metric for Grinder vs. JMeter `` ''... Memory jmeter throughput vs tps 30G ) High level it gives a rough idea about the number of happened! Jmeter Apache ( jmeter.apachi.org ) using graph results for interpretation functional behavior of applications and measure performance it as of! The capacity of the most important metric for Grinder vs. JMeter `` speed '' time. Possible number of transactions based on number of requests is known and target to achieve highest level throughput!