설정 변경 후 멀티노드 Discourse 환경에서 자매 노드 간 일부 설정이 동기화되지 않음

Just checking: do you have a shared redis database between all nodes? That is essential for Discourse to work.

(some other applications work with one-redis-per-node, but trying to do that with Discourse will cause the kinds of issues you describe)