My thread group is having 5 http samples requests which are running single times each.
After that I want to send a single http sample request after every 5 seconds which is running after the above 4 samples.
Please suggest
After your first 4 samples, add a Loop Controller and set it its loop count to Forever (or however many you need). Add your 5th Sample to this Loop Controller. Then add a Constant Timer to that Sample with a Thread Delay of 5000 (it's measured in milliseconds).
If you checked Forever above, under your Thread Group you'll want to check the Scheduler and add a duration otherwise it will run, well, forever.
Place 5th http sample request inside loop controller with forevercheckbox enabled so that it would be endless running till the time execution completes. Also place one constant timer as a child of 5th request with 5 secs delay
Structure would be like this
Related
I'm new to jmeter I have the following scenario. I want the jmeter to hit the given url, I have 13 such url in a csv file.
I want to hit the url at the rate of 2 requests per second for a given time period of 60 seconds.
In this case how should I specify my thread group, Ramp-up period and Loop count.
I understood the basic like 10 thread with 10 second rampup with a loop count of 1 will run 1 request per second for 10 user. But I'm not sure how to specify when we have 13 such urls.
Atleast any link for the given scenario is appreciated.
I understood the basic like 10 thread with 10 second rampup with a loop count of 1 will run 1 request per second for 10 user
not necessarily, JMeter waits for response from the previous Sampler prior to executing the next one, the configuration means that JMeter will start 1 user each second, it doesn't guarantee 1 request per second.
The easiest way of achieving X requests per second throughput is using Throughput Shaping Timer
Make sure to supply the sufficient number of Threads, i.e. if your application response time is 1000ms - 2 threads should be enough, if it's 2000 ms - you will need at least 2 threads, etc.
There is a special thread group: Concurrency Thread Group which can be connected to the Throughput Shaping Timer via Feedback Function so it will automatically kick off extra virtual users if the current amount will not be enough in order to conduct the required load.
i have the following scenario:
every 5 seconds a new user will be added and send ping
each user will ping every 5 minutes
each user will upload file every 30 minutes.
I believe the easiest way is going for Constant Throughput Timer like:
To get request running each 5 seconds set "Target Throughput" to 12 requests per minute (1 request each 5 seconds)
So you will have requests firing as per your requirement:
For request which needs to be executed once per 5 minutes do the same but set "Target Throughput" to 0.2
See How to use JMeter's Constant Throughput Timer for more information.
You may be also interested in Throughput Shaping Timer which is more precise and advanced version.
For a new user every 5 seconds use Ramp up period 5 times the number of threads.
Add to your Thread Group a Loop Controller with 6 Loop count, inside put ping request,
Add as a child to your ping request a Constant Timer with 300000 milliseconds (5 minutes * 60 seconds * 1000 milliseconds).
timers are processed before each sampler in the scope in which they are found
After Loop Controller add upload file sampler
In Thread Group You can define Scheduler (checkbox) with Duration you want the test to run.
When using the scheduler, JMeter runs the thread group until either the number of loops is reached or the duration/end-time is reached - whichever occurs first.
I am struggling to simulate 10 users per second doing GET requests for 20 seconds in every 40 seconds and this test should run for 2 minutes.
I used a Thread group where I created 10 threads (users) and ramp-up time 1 second, so the 10 threads are going to be loaded in a second and the loop count is 1.
The following elements were added to this thread group.
Then I added a Constant Throughput Timer with the set up of 60, which means that approximately 10 GET request will happen per second.
Added an HTTP request Sampler for the GET request.
Added a Runtime Controller with the set up of 20 seconds.
Added a Constant Timer with the set up of 40 seconds.
This is just not working out. any help much appreciated.
I checked many websites already but could not find anything which would deal with this 'periodic load testing intervals'.
As per Cagy79 pointed out, here is a similar question
which actually i have checked already before but had no luck. Just now I was able to make it work:
Create a Thread Group with the set up of 200 users, 20 seconds ramp-up, loop count 1 (so 10 user will make GET requests per second for 20 seconds)
Create a Constant Timer with the set up of 40000 milliseconds (so the above burst will run at regular interval of 40 seconds)
Create a Loop Controller with the set up of Loop Count 2 (so our the burst will run twice, at 40th seconds and 80th seconds only. We do not want it to start to run at 120 seconds)
Create the HTTP GET request under (nested) the Loop Controller
I am running my load test for a duration of 1 hour,in between the test I want a scenario to run for a duration of 1 minutes at regular interval of 15 minutes.
In jmeter,currently I am able to simulate for all the others scenarios except for the burst mode.
How do I keep the delay for 15 minutes and trigger the request for duration of 1 min?
How do I achieve the TPS for the burst? Currently I have to manually trigger jmeter script.
I would suggest doing the following:
Add a separate Thread Group.
Configure ramp-up and thread count as required.
Add a Constant Timer, set Thread Delay to 900 000 (15 minutes = 900 seconds, 1 second = 1000 ms)
Add a Runtime Controller, set Runtime to 60.
Add a Loop Controller, set Loop Count to Forever.
Place your burst test logic under the Loop Controller.
If you need to define requests per second rate during spikes use Constant Throughput Timer
I came here since I had the same issue or similar issue of "simulating" burst like request during the load test. I tried to follow the accepted answer but didn't get it to work (perhaps I misunderstood some steps), anyway; I based my solution in #esteveavi comment Loadtesting in burst mode in Jmeter from the original post above. And ended up using JMeter's "Ultimate Threat-Group" plugin with something like the following test plan set up:
I am trying to achieve goal of 3 TPS using all my threads. I used Constant Throughput Timer but somehow it doesn't provide constant TPS. It does go beyond 3 TPS like sometime 10TPS.
Test Scenario
Thread Group 1
This Thread group submit XML on server and check the status.
I put constant Timer under this Submit Quote action and set value as 3 per min.
After each Quote Submit i will perform some action.
Thread Group 2
This Thread group submit XML on Server and check the status as like first Thread group but the rest action are different than first.
I put constant Timer under this Submit Quote action and set value as 3 per min.
Thread Group 2
This Thread group submit XML on Server and check the status as like first & Second Thread group but the rest action are different than first & Second.
I put constant Timer under this Submit Quote action and set value as 3 per min.
I need 3 TPS from all these Thread Groups for Submit Quote step, i am able to achieve that somewhat but it's not constant.
Can some please help to manage TPS?
Below is the Graph you can see some high transactions:
CTT will give you "constant" throughput after some time, not in such reduced time as your test shows.
The peak you see come from variation of your server response time.
Maybe you can try this method:
Configure thread group :
Loop count = 1
Ramp up period = time of your test (3600 seconds for my example)
Delay Thread creation until needed = true
Scheduler duration = 3600 seconds
Scheduler startup delay = 0
if you run for 1 hour, to achieve 3 Trans per minute, set number of threads to 180.
I am able to manager this up to some extend by separating actions in to multiple threads. In my earlier example in Thread 1 i was performing some action which impacted CTT. To resolve issue, i am using Queue concept.
First separate your thread's, if any action in your takes time move them to separate thread. In below example actions QuoteStatus and further were part of my thread 1 and due to slow response from server it was not allowing me CTT.
If you look at above response time from Thread one its pretty constant, having multiple actions is one thread cause issues. If your goal is to put constant throughput, it would be good to keep one action each thread and then use Inter_Thread Communication to pass data in other threads.