Keycloak Cluster memory increase

Hi, currently i am migrating the user information from my system to Keycloak, i’m doing this via the /users endpoint in the Admin API, what happens is that as i migrate the users the Keycloak memory keeps increasing until it just stops responding, it starts answering with 503 instead of creating the users. The number of users migrated is considerable in the 100s of thousands. Is there any reason for the memory not being managed properly? My Keycloak is clustered with 3 instances and the version is 10.0.2. I did a similar migration with a single instance and it worked fine, no memory problems. Any help is appreciated. Thank you

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Any clues on this one? I am also really interested.