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Editorial Team
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Asked: 2026-06-03T20:02:12+00:00

I’m trying to test the performance of a specific operation in my webapp. In

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I’m trying to test the performance of a specific operation in my webapp. In order to do that, I have to first login. Basically I have two HTTP-Request, one for logging in and another one I want to test with multiple simultaneous Threads (=users).

In order to get comparable results on the second request, I need the first request to be finished by all Threads, so that the first request doesn’T interfere with the performance of the second request.

I tried splitting up the process into multiple ThreadGroups or in a setUp-ThreadGroup and a ThreadGroup, the problem is, that the login request stores the login information into the HTTPSession and I would need to “share” the session accross those ThreadGroups.

I did some research but I can’t find a lot i can make sense of. Is there an easy way to do this?

Any help is greatly appreciated, thanks!

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1 Answer

  1. Editorial Team

    You can do this in single Thread Group using Synchronizing Timer added to the 2nd request sampler as child, with value of Number of Simultaneous Users to Group by = total number of threads.

    This will pause execution of 2nd request until 1st one will be completed with all the threads.

    
Thread Group
Number of Threads = N
+- Login Request
+- 1st Request
   +- Synchronizing Timer
      Number of Simultaneous Users to Group by = N
+- 2nd Request
   +- Synchronizing Timer
      Number of Simultaneous Users to Group by = N
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