Technical Users limits per realm

[TCHOUNKEU roland]

Hello everyone,

We are currently setting up the KeyCloak infrastructure on the OpenShift platform, and based on our requirements, we will have one realm with over 1 million users. Our question is: does KeyCloak have a technical limit on the number of users per realm? It should be noted that not all of these users will be active in the realm; they are simply registered users, but in the millions.

Best regards

[Björn Eickvonder]

Hi,

while this is.not a dev question but would belong to the users group, no there is no technical limit. You may wanna tweak the cache sizes depending on your number of concurrently active users, the cache sizes default to 10000.

Otherwise just size your pods and your database sufficiently.

Björn

[Abdulllah Muhammad]

I'm successfully running it with 6 million users for past 1.5 years. 

[Venugopal Puttaramaiah]

Its depends on how many users have logged in simultaneously.

No. of users doesn't matter.

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[TCHOUNKEU roland]

Hello Muhammad, 

Thank you for your answer, 

Could you share with me the configuration details related to caches, databases, RAM/CPU for pods (requests/limits), and the architecture being used?

[TCHOUNKEU roland]

Thanks  Puttaramaiah,

About 300k will be logged simultaneously.