I want to create invitation links every time a user submits a request, but if there is a data race in which two users request a Discourse invitation link at the same time, I am afraid that one or even both of them will not receive a link because Discourse may not know how to handle the data race. Th…

I don’t think there should be any problems.

Even with a thousand (to exaggerate) requests at the same time?

Without looking at the code, yes. Between Postgres and Rails, I’m pretty sure they thought of race conditions. It’s not really a difficult or unexpected problem.

Well, he said without reading the code, so I left the question open in case anyone who read the code has something to say.

I am moving this topic to Dev because it is a developer question. I am not a developer myself but do know that Discourse is used by many thousands of sites with many millions of users, and I have never heard of any case where an invitation got lost. Discourse is a platform that is built for scale.

Is the generation of invitation links secure against data races?

Development

tobiaseigen (Tobias Eigen) October 25, 2025, 7:37pm 5

@willy did Jay answer your question to your satisfaction?

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Is the generation of invitation links secure against data races?

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