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.

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.

@willy did Jay answer your question to your satisfaction?

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 Development 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…

Is the generation of invitation links secure against data races?

Development

Willy (Willy) October 16, 2025, 4:44pm 3

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

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API endpoint to create invite links has moved to /invites.json Feature rest-api	17	1760	December 2, 2025
generate_invite_link API endpoint throws 500 if invite already redeemed Bug	2	1420	September 16, 2015
Invite only community and newsletter Product Support invites	13	1285	November 28, 2023
New 'accept invitation' prompt feature causing issues with invitation links Product Support invites	13	2610	November 22, 2022

Is the generation of invitation links secure against data races?

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