I have a collection with one API - it runs fine.
I have a data file with 25k rows of suitable testing scenarios.
For 4 VUs as example - it picks the same 4 rows over and over again - despite choosing the Randomised option when selecting the data file.
Hey @graham-parkins 
Welcome to the Postman Community! 
Are you able to share more details to show this only picking the four rows? Does this pick up more rows if the VUs are increased?
Hi Danny.
It picks up 4 random rows initially, but then uses the same row for the VU continuously.
I want the VU to pick a different random row each time.
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Interesting - I’ll need to do some more research here and reach out to the team.
I can see that the Ordered
data mapping would be based on the number of VUs but that should be the case for the Randomized
option:
Hey @graham-parkins 
I’ve reached out to the team and they are investigating what’s happening here - once I have more information to share, I will update the thread. 
Hey @graham-parkins,
The team has identified the issue and is adding a fix in for that. Once that’s released, I will update this thread.