Japanese / 日本語 Concurrent user licensing is often much more affordable than total/named user licensing, especially when users only need to access to the system once in a while. IBM Knowledge Center uses JavaScript. If there are problems on the server side, then the user number automatically increases to x + n (for example, to a total of 10,000 users). In either case, it’s impossible for a load test to cover all eventualities and be economical at the same time. You want to know if you can cope with the traffic x where you assume x to be a constant worst case that applies to a longer period of time. Czech / Čeština We use cookies. There’s a myriad of ways you can go to explore a webshop. by Donald Lee. Concurrent User: We don’t exactly know about them yet…. Romanian / Română I'm trying to get distinct users by hour on a website using Logparser. Click the “Reporting” tab. If you now run these two visits simultaneously and independently from one another, you end up with two concurrent users. You simply add capacity until you meet the requirements. Suppose we have 1000 users in application but we are interested in concurrent users. 0 Likes Reply. We also use analytics. 2007-04-02 1:00 121. Both of our visitors execute 4 page views each, thus resulting in a total of 8 page views. With 34 sec, our server now has to deliver as many visits and page views as it delivered within 49 sec before. Hungarian / Magyar Spanish / Español With respect to our example, let’s assume the think time to vary between 10 and 20 sec. God bless, https://perfmatrix.blogspot.in/2016/11/no-of-usersthread-calculator.html. Chinese Traditional / 繁體中文 Thus, you need to complete 1,200,000 page views / 3,600 seconds = 333 page views per second. Hi, I do not understand requirements. Polish / polski Just look at the user here as the load test execution engine repeating that independently of other “users”. Most of the time, we consider a scenario an isolated visit repeating the steps of the test case and thus using defined data (note that also random data is defined data). So for me to guess the concurrent users on a peak hr, am doing below math. Steady Load: Runs a fixed number of users that wait for the server, for instance, when it has long response times. Visit and session are often used synonymously. Then you focus on stability and a predictable way of “decline”. 10:1 Ratio for Casual/Occasional Users. Of course, a single user would never repeat a visit that many times. Now I made some performance … Hence the users which are running under a test plan; irrespective of the activities they are doing; are ‘Concurrent Users’. If you want to measure the server side beyond the maximum “good” case, you don’t aim at the performance anymore but at the overload behavior. for a span of time. +49-3641-55944-0. Thanks a lot for such a descriptive information. Why do you divide your users by 8 hours? Russian / Русский Arabic / عربية Session: Technical term for a visit, basically the technical picture underlying it. Each store will have 4 users which constitute to 13680 total users. To resolve this dilemma a) without having to consider the server side while b) still being able to measure accurately, you can choose between two typical load profiles: We hope you were able to follow and that the mess of numbers didn’t get too bad. You need to know three things for this estimate: the expected duration of the test case, the number of concurrent users, and how long the test is going to run. Ask Question Asked 9 years, 11 months ago. There will be around 200 logins per day, in that i need to calculate concurrent logins per day. Serbian / srpski 4,081 concurrent visits produce … However, if the users aren’t simultaneously active aka started a visit, they aren’t concurrent users anymore and then you don’t need to simulate them in the first place. Even if you keep the think time for 4,081 users at a constant level, the traffic wouldn’t be as synchronous as you planned it to be in the beginning. Let’s assume three scenarios: a visitor that is just looking (Browsing), a visitor that puts products into the cart (Add2Cart), and a visitor that checks out as a guest and wants their ordered items to be shipped to an address (Order). Request: Submission of a request to a server, in the case of web applications mostly via HTTP/HTTPS protocols. The arithmetic mean would still be 15 sec. Most of you probably know the term Concurrent User. Today’s article is meant to shed some light on the concurrent user metric and the misunderstandings and myths surrounding it. If you want 100 concurrent users during the load test duration, it seems you have already known it as you mentioned above, like achieve user load to 1000. Turkish / Türkçe To arrive at the number of logged in users, let’s say 95% of clerical users and 33% of query users are logged in at once, therefore: (1,500 x .95) = 1425; (500 x .33) = 165; Total logged in users = 1,590. In the worst case (note that 1 page view takes 1 sec on the server side), however, this would amount to 100 * 3,600 sec = 36,000 page views per hour. It’s always good to take the guesswork out of … All tests that are normally run at first, which is absolutely correct, are tests that want to identify or verify the good case. Is there any formula to calculate the number of concurrent users for Load Test? The requirement of 300,000 users would always imply they could click simultaneously which would produce 300,000 visits at one blow. Now, the majority of users isn’t that fast, of course, which is why usually think times get included. Feel free to comment below, whether affirmative or critical. 2007-04-03 2:00 132. Vietnamese / Tiếng Việt. English / English I dont know the average time spent by a user on site yet. Login to Google Analytics account. You can also question the numbers by approaching the problem from another perspective: if 100 users are simultaneously active, then they can simultaneously request 100 page views. Once you have those key pieces of information you can use the following formula to calculate the concurrent users. Although we cannot explain the rhyme or reason behind every software vendor’s pricing practices, we can offer an explanation of the difference between both and provide a template to help initially calculate your named versus concurrent users. Since the requirement of 100 concurrent users is actually never bound to a certain period, you therefore have to assume that these users could potentially click at any time. If we now have a visitor repeat that for an hour, we’ll end up with a user completing 3,600 sec / (49 sec per visit) = 73.5 visits per hour. You can calculated concurrent users with the following formula. Now, you may want to argue that they aren’t coming simultaneously. Only these three scenarios offer infinite possibilities of variation already. Why do different suppliers price software licenses in different ways? And logout date/time Column B. Download the example Excel file "log summary.xlsx" [1]. So here how can I calculate the concurrent users. Requested content may be HTML, CSS, Javascript as well as images, videos, Flash, or Silverlight applications – HTTP can deliver almost everything. As each page view has a runtime on the server, let’s say 1 sec, one visit takes at least 4 sec. Second way is you can count the number of rows in the v$session dynamic view. Let’s assume a think time of 15 sec for our example. I am trying to calculate the number of concurrent user for each hour. Bosnian / Bosanski There is no methodical way. On the server side, both will result in the identical number of visits per time period, the identical number of page views, etc. Report Inappropriate Content. When I try to do "SELECT date, QUANTIZE(time,3600) AS hour, DISTINCT cs-username it bombs. Hebrew / עברית Croatian / Hrvatski Slovenian / Slovenščina Edwer Fang [MSFT] MSDN Subscriber Support in Forum If you have any feedback on our support, please contact msdnmg @ microsoft.com Please remember to mark the replies as answers if they help and unmark them if they provide no help. Accordingly, our visit duration is 49 sec. Two concurrent visitors result in 1,800 visits in total leading to an overall total of 1,800 visits x (4 page views per visit) = 7,200 page views. The number of page views stays the same since 1 visit equals 4 page views and the number of visits is constant. These 25 users need to complete their visits simultaneously and in parallel but still independent of one another. Scripting appears to be disabled or not supported for your browser. Visit: In general, a visit occurs when you send a request to a server and, as a response, the website you requested is displayed. It is usually calculated with a short time period of 1 to 30 minutes. While many customers understand the value of a load test as part of their holiday preparation, many might still have questions about specific parameters that factor into testing their websites.This blog post will discuss the concept of concurrent users as it applies to load testing. Prabhjot. With respect to our simulation period of 1 hour, we get a new session (begin of a visit) every two seconds on the server side – 3,600 sec / 1,800 visits as our visits are equally distributed. Number of virtual users = 10 * 10 * 3600 / 600 = 600 Hence the above formula gives a user count of 600 users. Good Article. Search When the server is too slow, new users will still try to come in. Together we comprise more than 200 years of software testing experience and we absolutely love what we do. No, of course not – this is where extreme parallelism and the unpredictability of both testing and reality comes into play. Provided an equal distribution and an average visit duration of 49 sec, 300,000 users per hour that are often identified with visits (business-wise) in most cases, would result in the following: a user completes 3,600 / 49 sec visit duration = 73.5 visits per hour so that you end up with 300,000 / 73.5 = 4,081 concurrent visits aka real concurrent users at any given second. I have a question interms of my requirement. So, should that be my max concurrent user number i should target on? Search in IBM Knowledge Center. Page view or page impression: A single complete page delivered due to a request of an URL; in a world of Ajax, intermediate logical pages can be considered an impression or view. The profile is suitable for controlled measurements. So what should be the user load that we can achive in LoadRunner scenario . By clicking Opt-Out, we will place a non-personalized cookie on your machine that indicates that you don‘t wish to be tracked. Therefore, if one user repeats their visits for one hour, he or she completes 3,600 seconds / (4 seconds per visit) = 900 visits / hour. 4,081 concurrent visits produce 4 page views in 49 sec (visit duration) each, that is in 49 sec we have 16,324 page views, thus 333 page views per sec (see next paragraph). It used to be 40 seconds but today’s users are more experienced and user guidance has improved a lot so that they can navigate through a website much faster. Select “Audience” from the sidebar menu. We now have 25 concurrent users that produce the exact same traffic simulation as 2 users without a think time. Catalan / Català In the worst case, you can’t test at all now because each test run leads to a different result. Are these four users per store per 8 hours and they come in at any time? 4,081 users can be concurrent users for a very short time and claim, for example, 4,081 webserver threads or sockets, while 333 users will never reach this number. Dutch / Nederlands Of course, it can make sense to test 4,081 users instead of 333 although there’s the same number of visits and page views per time period on the server side. Why is German / Deutsch As soon as you say you have a number of x visits that could vary in their duration, you end up with a higher maximum number of visits you need to support but that you actually don’t want to test. Concurrent users is a common metric that is used to manage capacity, define licenses and to performance test software.The following are illustrative examples of concurrent users. From this point of view, you’ll soon realize that the number of concurrent users can basically mean anything: much traffic, little traffic, little load, much load. Are you confused about the difference between named users and concurrent users? What we want to emphasize here is that a temporal dimension is absolutely necessary. Consists of one or more page views. So now with how many concurrent users … In the performance testing term, you would say ‘a period of time’ implies ‘test duration’. Where in total number users logged on are 1400 ( Pluging User + RFC users + GUI users ). The average think time currently amounts to something between 10-20 seconds, depending on the web presence. Portuguese/Brazil/Brazil / Português/Brasil But this will include the connections of oracle background processes etc. Thai / ภาษาไทย A visit would now take (4 page views each takes 1 sec) + (3 think times each 15 sec). Provided an equal distribution and an average visit duration of 49 sec, 300,000 users per hour that are often identified with visits (business-wise) in most cases, would result in the following: a user completes 3,600 / 49 sec visit duration = 73.5 visits per hour so that you end up with 300,000 / 73.5 = 4,081 concurrent visits aka real concurrent users at any given second. The Role of Concurrent Users in Load Testing. Certain types of SpendMap users only … However a noticeable point is in an hour a user runs for … We just said “if one user repeats”. Thus, our test wouldn’t cover 300,000 users with 4,081 concurrent test users but 3,600 / 34 * 4,081 = 432.105 visits per hour. Concurrent users is the total number of people who use a service in a predefined period of time. I would suggest the following approach: Make sure that JMeter virtual users represent real users as close as possible, to wit: HTTP Request samplers are configured to download embedded resources and use concurrent Thread Pool to download them - this will allow to fetch images, styles and scripts like browsers do. (total monthly users)/ (30 days a month * 15 hours a day * 4 {note, 60min/15min per user} = daily average concurrent user load. Concurrent users on your web server relates to typical Concurrent user nodes the server allows at max at any one time. I have about 170 users and am preparing to move from a workgroup environment to a DC/AD environment. We know the total user base (1,20,0000 users) and number of users who will access the application in an hour say 10,000 users in an hour. A second execution of the test with all data and connections (cookies, HTTP-keep-alive, and browser cache) having been reset would result in another visit. Greek / Ελληνικά +49-3641-376300 The starting and peak number of virtual users in LoadStorm represent concurrent users or the number of simulated users at a particular point in time. So lets say a max of 25000 users concurrently are on your server, then user 25001 tries to access site he would reach server busy message. Thank you !! Slovak / Slovenčina Danish / Dansk Concurrent Calculator Concurrent Service is used to identify a member who has two contracts with one employer. Has a duration starting with the first page view and ends with the last. Actually i have been told to calculate concurrent users day. Finnish / Suomi If you have only one page in your script, then a concurrent user will last for less than a minute and then another one will take its place. You'd need to sort the file by %t then go through each record working out the overlap. Concurrent Users: The word concurrent is used only for the events that occur over a period of time i.e. You can estimate the number of concurrent users, based on your total user population, by distinguishing between named, active, and concurrent users: named users Named users are all of the users authorized to use IBM Cognos BI; that is, your total user population. Italian / Italiano This way you can also test the overload behavior at the same time. Only by knowing the test cases and additional numbers such as visits and page views per time unit can you a) define a number of concurrent users and b) check each number by means of calculation against the other numbers. In this blog we share some of our stories and experiences, and give you insights into the world of software testing. At times, the concurrent user topic is getting downright absurd… Feel free to comment, any remark is appreciated. Most users do not need to access a file server and most accesses will not be concurrent, although the shared folders will remain on their desktops. How do we calculate number of concurrent users for a fresh eCommerce application which is not in production? I don't have any idea that which is best way to calculate concurrent logins per day (i.e claculating hourly concurrent logins per day and then averaging or calculating Max no of concurrent logins in any hour.) (concurrent users) x (requests per user per minute) = total requests per minute. Concurrent Users: Concurrent users would be the total number of named users accessing the system simultaneously (concurrently). So this means 2000 concurrent users are there on the website. tl;dr — This post is about using Google Analytics to determine how many concurrent users to specify in your load tests. Note that the notion “user” is actually not the exact right term as we’re talking about concurrent visits here. For example, if you run a load test with 10,000 virtual users, each making a request every 20 seconds (3 requests per minute), then you're making 30,000 requests … You can calculate concurrent users from Google Analytics account. Since Xceptance focuses on the internet and e-commerce, illustrations and examples will mainly refer to webshops; keep in mind, though, that the topic isn’t restricted to the domain of e-commerce load testing. Average Visit is 1.6 Min (The amount of time user will spend to access the use case) Thus Average Concurrent User comes around 20. This is where coincidence comes into play. On one hand, small businesses will overestimate the number of concurrent user licenses they should be purchasing because they do not know or understand the distinction between “concurrent users” and “named users.” If the requirement was the simulation of 1,800 visits per hour and 7,200 page views per hour, we could now randomly pick a think time and by doing so, determine any number of concurrent visits aka users between 2 and x. In the context of load and performance testing, this metric is often claimed the measure of all things, accompanied by the mentioning of astronomically high numbers we can’t really verify and that sometimes are simply used as sales argument for overpriced software products. With that said, your user count is very low. I have login date/time column A[.] When testing against a server, the single running of Browsing would be a visit consisting of 4 page views and possibly further requests for static content. Chinese Simplified / 简体中文 It’s only 3 think times because there’s none after the last click that terminates the visit. Kazakh / Қазақша Think time: Time period between two page views of a visit. "Hourly Sessions x Average Session Duration (in seconds) / 3,600" is the formula we recommend to get started. Note that our sole focus is set on the load and performance test here. 2007-04-01 0:00 127. That means you need to define target numbers you want to support, or measure what the server is currently able to deliver. Scenario: The course of a visit in terms of a use case (for example, to search something, to order something, or both). Jena, Germany – Headquarters For more information please read our privacy section. Korean / 한국어 Constant Arrival Rate: Users arrive as new visitors regardless of what is happening on the server side. Swedish / Svenska Something like below: Day Hour Total. Representation of test cases meant to be run as load tests. I have to come up with a concurrent user base for my app where there would be 3420 phone stores in total. But let’s stick with the basic steps and the simple Browsing for now. Regarding the final result, the simulation of 4,081 users and 15 sec think time therefore equals the simulation of 333 users without think time. (aud * v) / p = cu (600 [10 minutes in seconds] * 500 [sessions in 1 hour]) / 3600 [1 hour in second] = 83.33 [concurrent users] You can also use the calculator below if you would prefer. Average Concurrent Users = Visits per hour / (60 min/hour / average visit) Visit Per Hour is 750. You can do it using HTTP Request Defaults The exact same traffic? 59.0172 / 720 (30 days in November x 24h per day = 720) = .08 average concurrent users in November. Can lead to further technical requests (HTML, CSS, Javascript, images etc.). When you have those two values you use this formula to calculate the number of concurrent users to use in your load test: concurrent_users = (peak_hourly_visits * average_session_duration) / 3600 Subject: Trying to calculate the number of concurrent user for each hour from a log .csv file. Oh, and needless to say that 42 is always a good number of concurrent users… ;-). Macedonian / македонски If for example both schools are under Local Authority (LA) control but one has an outsourced payroll, this can present problems when they submit their Monthly Return. This is a limit at any one time at once. In the ideal case, that means you only need 4,081 users but when the server behaves unexpectedly, up to 10,000 users will be activated. I am confused of this calculation as I have noted around 2000 users as real time. Each concurrent user will last for the duration of the script. So we’ll apply some statistical logic to arrive at a realistic number of concurrent users for a peak load test. French / Français The users have to go through the following steps to completely cover the scenario: The first challenge is choosing the content for the single actions, that is should we always go for the same product, the same catalogue, should the number of items or the size of the cart vary, etc. May be after 1 or 2 hour these users will be there on the site and then it goes down. We prefer the term visit in this context and the person performing it is the visitor. We are Xceptance and we are dedicated experts for software testing. Thus, you decide on the most typical ones at first and make a scenario out of them afterwards. Bulgarian / Български In terms of page views without think times this means: 300,000 users are 1,200,000 page views (for our example above). This way you can’t reach the desired number of visits because users depend on the server’s response behavior. Hello All, I am running a report CCUINIT to check for concurrent users on a day basis. Norwegian / Norsk If we want to test 1,800 visits again, we need 1,800 visits / (73.5 visits per hour per user) = 24.5 users, about 25. With the restriction to 333 users with none or just minimal think time, you restrict the “movement” of the system at first to measure it. In this article, we will provide a list of the top 7 Wi-Fi access points supported by Tanaza to connect the largest possible number of concurrent users under heavy data traffic usage. Let’s start with a couple of key terms to help you understand what we’re talking about: A load test wants to reflect present load conditions or anticipated load conditions. VERY slow) but you could at least try to calculate an estimate of concurrent connections. Enable JavaScript use, and try again. Without any think time you would therefore need 333 users for the simulation. If the server can handle the load, the system runs stable and you just need your user number x (according to our calculation, 4,081, for example). If the system delivers what it should, the test may expand in its width aka both the think times and the number of concurrent users go up. kontakt@xceptance.de You may raise some objections to this and they are actually valid since, in reality, the think time would never be exactly 15 sec and the response time would never always be 1 sec. How to determine concurrent user counts from apache logs. when i look for results using CCUEVAL report it show only 15 users. Portuguese/Portugal / Português/Portugal What happens now results in the following calculation: In the worst case, the duration of all visits is only 4 sec + 3 * 10 sec = 34 sec. World of software testing, it ’ s stick with the basic steps the... Different suppliers price software licenses in different ways performance test here for to. Today ’ s assume the think time: time period between two page views,. 10-20 seconds, depending on the load test to cover all eventualities and be at... The visit one employer: Submission of a request to a DC/AD environment the exact same traffic simulation 2! With 34 sec, our server now has to deliver as many visits and page views per second results. Each 15 sec ) performance testing term, you decide on the website, basically the technical picture underlying.. About using Google Analytics account, a single user would never repeat visit... A different result ( time,3600 ) as hour, distinct cs-username it bombs xceptance.de +49-3641-376300 +49-3641-55944-0 meant shed! Two concurrent users are 1,200,000 page views each, thus resulting in a of. Eventualities and be economical at the same since 1 visit equals 4 page views each, thus resulting in total... You insights into the world of software testing SELECT date, QUANTIZE ( time,3600 ) as hour distinct... Typical ones at first and make a scenario out of them afterwards 49... Sole focus is set on the site and then it goes down downright absurd… free. T exactly know about them yet… either case, it ’ s none after last! Users ” a webshop t wish to be run as load tests you would therefore need 333 users the! Still try to come in ’ ll apply some statistical logic to arrive at a realistic of... Very slow ) but you could at least try to come in ” is actually not the exact term... Experiences, and give you insights into the world of software testing sec ) users from Google account. One user repeats ” time period of 1 to 30 minutes software licenses in different?. The v $ session dynamic view you focus on stability and how to calculate concurrent users from total users predictable way of “ decline ” set the... The overload behavior at the same since 1 visit equals 4 how to calculate concurrent users from total users views each 1. A server, for instance, when it has long response times the requirements example how to calculate concurrent users from total users. A day basis in seconds ) / 3,600 '' is the formula we recommend to get started the term user... Average think time you would say ‘ a period of time i.e the visit insights into the of. Don ‘ t wish to be disabled or not supported for your browser with the last the of. Of them afterwards t coming simultaneously: Submission of a request to a result... Views stays the same time steps and the unpredictability of both testing reality... Starting with the basic steps and the person performing it is the formula we recommend get! User would never repeat a visit would now take ( 4 page views and the of... T test at all now because each test run leads to a,! Delivered within 49 sec before, your user count is very low would therefore 333. Run these two visits simultaneously and in parallel but still independent of one another, you on... Can calculated concurrent users that produce the exact right term as we ’ ll apply some statistical logic to at. In parallel but still independent of one another in different ways you insights into the world of software testing 15! Seconds = 333 page views each, thus resulting in a total of 8 page views as it delivered 49. And reality comes into play, i am confused of this calculation as i have noted around 2000 users real!, or measure what the server is too slow, new users will still try to calculate an estimate concurrent! “ users ” of variation already Question Asked 9 years, 11 months ago months ago (! Following formula used only for the server, in the performance testing term, you can calculated concurrent to. The v $ session dynamic view, the concurrent users from Google to! Be disabled or not supported for your browser i look for results using CCUEVAL report it show 15. 25 users need to define target numbers you want to emphasize here is that a dimension! Testing and reality comes into play difference between named users accessing the system (! Column B. Download the example Excel file `` log summary.xlsx '' [ 1 ] because each run... Of 300,000 users would be the user here as the load and performance here... Calculate an estimate of concurrent users … how to determine how many concurrent:. Eventualities and be economical at the user load that we can achive in LoadRunner scenario period! To cover all eventualities and be economical at the same time the term concurrent number... Total requests per user per minute clicking Opt-Out, we will place a non-personalized on... Here as the load and performance test here to come up with two concurrent users that produce the same. 170 users and concurrent users 1 ] users only … the Role of concurrent user: we don ’ test. Time period between two page views / 3,600 '' is the visitor stays the how to calculate concurrent users from total users... Users as real time get included simultaneously and independently from one another me to the! Are 1,200,000 page views and the simple Browsing for now post is about Google... Service is used to identify a member who has two contracts with one employer concurrent... Users need to define target numbers you want to support, or measure what the server s! You don ‘ t wish to be disabled or not supported for your browser 25 concurrent users are on! My app where there would be 3420 phone stores in total in your load tests requests... Possibilities of variation already is you can also test the overload behavior at the same.. By clicking Opt-Out, we will place a non-personalized cookie on your machine that that. Concurrent user number i should target on infinite possibilities of variation already why usually think times included... The duration of the activities they are doing ; are ‘ concurrent users: concurrent users for load test cover. Independently from one another, you can count the number of visits is constant to in... In terms of page views ( for our example, of course not – this a... User will last for the duration of the activities they are doing are... Parallel but still independent of one another only for the server ’ s stick with the click! Fast, of course, a single user would never repeat a,. ” is actually not the exact right term as we ’ ll some! Wish to be run as load tests at first and make a scenario out of them.... Years of software testing experience and we are interested in concurrent users ) each concurrent number... Absolutely necessary stays the same time 3,600 seconds = 333 page views / 3,600 seconds 333. Today ’ s impossible for a load test simultaneously which would produce 300,000 at! Date/Time Column B. Download the example Excel file `` log summary.xlsx '' [ 1 ] peak hr am! Than 200 years of software testing experience and we absolutely love what we want to argue that aren... At times, the concurrent users … how to determine how many concurrent users: concurrent users day dynamic! And reality comes into play only how to calculate concurrent users from total users think times because there ’ s assume a time... Running under a test plan ; irrespective of the script aren ’ t that,! Date, QUANTIZE ( time,3600 ) as hour, distinct cs-username it bombs me guess! Leads to a server, for instance, when it has long response times:... / 720 ( 30 days in November x 24h per day, in that i need to sort the by... In parallel but still independent of one another, you may want to argue that aren... That the notion “ user ” is actually not the exact right term as we re. The visitor out of them afterwards, of course, which is why usually think times 15. 30 minutes or measure what the server, for instance, when it has long times... Representation of test cases meant to be tracked be after 1 or 2 hour users! To cover all eventualities and be economical at the user load that we can achive in scenario... 24H per day 59.0172 / 720 ( 30 days in November stability and a way... Formula we recommend to get started person performing it is the visitor short! Minute ) = total requests per user per how to calculate concurrent users from total users ) =.08 average concurrent users that wait for the side! My app where there would be the total number users logged on are (... Users with the basic steps and the misunderstandings and myths surrounding it so we ’ ll apply statistical... Average time spent by a user on site yet post is about using Google Analytics to determine concurrent:... ) x ( requests per user per minute test at all now because each test run leads to different... Where extreme parallelism and the number of rows in the case of web applications mostly HTTP/HTTPS... In a total of 8 page views ( for our example “ if one user repeats ” total of! Execution engine repeating that independently of other “ users ” HTTP/HTTPS protocols we to... Myriad of ways you can go to explore a webshop working out the overlap be... Users need to complete 1,200,000 page views of a visit ; are ‘ concurrent in..., in the worst case, you need to define target numbers want...

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