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How to synchronize thread in JMeter? I'd like to have all threads to log in the web application (with a ramp up), then wait and do the loop "compute all" at same time.

If I use the Synchronizing Timer (with a timeout > 0), then the 50 threads are synchronized at every step.

How to make them reach the POST - click on company and then wait?

I could do some BeanShell timer to wait for a given date (but I'm no BeanShell expert). Is there any way to do that in a more JMeter way?

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Francois
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  • have you tried adding the Synchronizing Timer as a child of the first request in your loop? – ararar Jan 12 '18 at 16:28

1 Answers1

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It's explained in the help:

To apply a timer to a single sampler, add the timer as a child element of the sampler. The timer will be applied before the sampler is executed. To apply a timer after a sampler, either add it to the next sampler, or add it as the child of a Test Action Sampler.

So to apply synchronization at POST - click on company, you need to put Synchronizing timer under POST - click on company. That way all threads will start POST - click on company at the same time:

POST - click on company <-- all threads will synch up here
  |-Synchronizing timer
Loop - computer all

If you rather want them to run POST - click on company unsynchronized, and synchronize just before the loop, then add Test Action Sampler after POST - click on company, and put Synchronizing timer under it:

POST - click on company
Test Action Sampler
  |-Synchronizing timer
Loop - computer all <-- all threads will synch up before loop
timbre timbre
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